{"id":829374,"date":"2025-03-25T08:07:31","date_gmt":"2025-03-25T12:07:31","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/"},"modified":"2025-03-25T08:07:31","modified_gmt":"2025-03-25T12:07:31","slug":"atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/","title":{"rendered":"Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update"},"content":{"rendered":"<div class=\"mw_release\">\n<p align=\"center\">\n        <em>Ended 2024 with $71.1 million of cash and cash equivalents and no debt<\/em>\n      <\/p>\n<p align=\"center\">\n        <em>Conference Call and Webcast Scheduled for Tuesday, March 25, 2025, at 8:30 a.m. Eastern Time<\/em>\n      <\/p>\n<p align=\"justify\">SEATTLE, March  25, 2025  (GLOBE NEWSWIRE) &#8212; Atossa Therapeutics, Inc. (Nasdaq: ATOS) (\u201cAtossa\u201d or the \u201cCompany\u201d), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the full year ended December 31, 2024 and provided an update on recent company developments.<\/p>\n<p>\n        <strong>Fourth Quarter and Early 2025 Highlights<\/strong>\n      <\/p>\n<ul type=\"disc\">\n<li style=\"margin-top:6pt;text-align:justify\">\n          <strong>Strategic Decision to Pursue Metastatic Breast Cancer Indication: <\/strong>Atossa plans to advance its lead program, <em>(Z)-endoxifen<\/em>, to target metastatic breast cancer. The Company believes this approach may offer a more streamlined regulatory pathway to deliver <em>(Z)-endoxifen<\/em> to patients with urgent unmet medical needs, as the current treatment options for metastatic breast cancer often provides limited durability of response and substantial side effects. <em>(Z)-endoxifen<\/em>\u2014a potent and well-tolerated selective estrogen receptor modulator (SERM)\u2014has shown encouraging signs in previous clinical trials, which Atossa believes supports its potential to fill this critical gap in treatment. Atossa also intends to continue engagement with the U.S. Food and Drug Administration (FDA) to advance additional indications, including breast cancer prevention and neoadjuvant therapy, which typically require larger and longer clinical trials.<\/li>\n<li style=\"margin-top:6pt;text-align:justify\">\n          <strong>Tolerability and Pharmacokinetic Data from Phase 2 Evangeline Trial: <\/strong>Atossa presented three posters at the San Antonio Breast Cancer Symposium (SABCS) highlighting pharmacokinetic (PK) and tolerability data from the Phase 2 EVANGELINE trial. This randomized, non-inferiority study evaluates <em>(Z)-endoxifen<\/em> in premenopausal women with primary ER+\/HER2- breast cancer as a neoadjuvant treatment. Substantial tumor suppression was observed across all dosing levels, with or without ovarian function suppression (OFS or goserelin). The 4-week Ki-67 \u2264 10 percent response rate was\u00a0generally above 85 percent across dose levels, with or without the presence of OFS. Overall, <em>(Z)-endoxifen<\/em> was well tolerated and target tissue steady state concentration (Css) levels were achieved without significant Grade 3 or 4 toxicities. Given the gynecologic events that were previously reported in the 80 mg groups, the study is expected to continue under an amended protocol as a randomized trial that compares <em>(Z)-endoxifen<\/em> 40 mg per day with OFS to exemestane plus OFS, using the 4-week Ki-67 reduction as the primary endpoint. Additionally, the trial is expected to include a single arm cohort with a 40 mg <em>(Z)-endoxifen <\/em>monotherapy neoadjuvant treatment, using a 24-week Ki-67 endpoint.<\/li>\n<li style=\"margin-top:6pt;text-align:justify\">\n          <strong>Full Results from Phase 2 KARISMA-Endoxifen Study: <\/strong>Additional SABCS data showcased the potential of low-dose <em>(Z)-endoxifen <\/em>to significantly reduce mammographic breast density (MBD). In the trial, a 1 mg dose reduced MBD by 17.3 percentage points (p&lt;0.01), while a 2 mg dose achieved a 23.5 percentage-point reduction (p&lt;0.01), compared to just 0.27 percentage points in the placebo arm, which we believe highlights the effectiveness of the lower dose in achieving significant reductions. Importantly, no significant differences in adverse events of special interest were observed between the 1 mg dose and the placebo. The 2 mg dose was associated with higher rates of hot flashes, night sweats and vaginal discharge compared to the placebo group. We believe these findings further support the therapy\u2019s favorable safety and efficacy profile.<\/li>\n<\/ul>\n<p align=\"justify\">\u201cMetastatic breast cancer remains an area of critical unmet need, where improved therapies are urgently required,\u201d said Steven Quay, M.D., Ph.D., President and Chief Executive Officer of Atossa. \u201c<em>(Z)-endoxifen<\/em> has demonstrated promising anti-estrogenic and anti-tumor effects alongside a favorable tolerability profile, which we believe positions it as a potential next-generation therapy. We believe that pursuing an initial approval in metastatic breast cancer could offer a more efficient regulatory pathway, potentially enabling us to make <em>(Z)-endoxifen <\/em>available sooner to the patients who need it most. We also believe this strategy further supports our ability to expand the broader potential of <em>(Z)-endoxifen <\/em>to address multiple stages of breast cancer, from reducing tumor growth to preventing recurrence after successful treatment.\u201d<\/p>\n<p align=\"justify\">\n        <strong>Conference Call Information:<\/strong><br \/>\n        <br \/>The\u00a0webcast\u00a0will be available at the investor relations section of the Company&#8217;s website at <a href=\"https:\/\/www.globenewswire.com\/Tracker?data=dbiIMC7Bhu493djrd9iJPybNjpipcVR7DHiaQM_TBalnf_yug_7H4Aw_2Z0YdEkgfOSpE3-h4HmVHgTpNftmaT8XM1kGNqBqi6O-Uct3Sgw=\" rel=\"nofollow\" target=\"_blank\">atossatherapeutics.com<\/a>. Alternatively, to access the conference call by telephone, U.S.-based callers should dial 1-800-836-8184 and international listeners should dial 1-646-357-8785. All listeners should provide the operator with the conference call name &#8220;Atossa Therapeutics Business Update&#8221; to join.<\/p>\n<p align=\"justify\">Following the conclusion of the conference call, a replay will be available for 30 days on the investor relations section of the Company&#8217;s website at <a href=\"https:\/\/www.globenewswire.com\/Tracker?data=dbiIMC7Bhu493djrd9iJPybNjpipcVR7DHiaQM_TBanbCPZMKN35XtzN7Orb_rGwiU_SWWvcP2m3PghdCXH7P85KZSKSa8G_l_jixa-yGZQ=\" rel=\"nofollow\" target=\"_blank\">atossatherapeutics.com<\/a>.<\/p>\n<p align=\"justify\">\n        <strong>Comparison of Years Ended December 31, 2024 and 2023<\/strong>\n      <\/p>\n<p align=\"justify\">\n        <strong>Operating Expenses<\/strong><br \/>\n        <em>. <\/em>Total operating expenses were $27.6 million for the year ended December 31, 2024, which was a decrease of $3.8 million, from the year ended December 31, 2023 of $31.4 million. Factors contributing to the decreased operating expenses in the year ended December 31, 2024 are explained below.<\/p>\n<p align=\"justify\">\n        <strong>Research &amp; Development (R&amp;D) Expenses<\/strong><br \/>\n        <em>.<\/em> The following table provides a breakdown of major categories within R&amp;D expenses for the years ended December 31, 2024 and 2023, together with the dollar change in those categories (dollars in thousands):<\/p>\n<table align=\"center\" style=\"border-collapse: collapse;width:100%;border-collapse:collapse\">\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>Year Ended December 31, 2024<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>Year Ended December 31, 2023<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>Increase (Decrease)<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>% Increase (Decrease)<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\n            <strong>Research and Development Expense<\/strong>\n          <\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"max-width:14%;width:14%;min-width:14%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:23%;width:23%;min-width:23%;vertical-align: bottom\">Clinical and pre-clinical trials<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">10,107<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">12,722<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">(2,615<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">)<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">(21<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">)%<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">Compensation<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">2,928<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">3,474<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">(546<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">(16<\/td>\n<td style=\"padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">)%<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">Professional fees and other<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,082<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,138<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(56<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">(5<\/td>\n<td style=\"border-bottom: solid black 1pt;padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">)%<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\n            <strong>Research and Development Expense Total<\/strong>\n          <\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">14,117<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">17,334<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(3,217<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">(19<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">)%<\/td>\n<\/tr>\n<\/table>\n<p>\n        \n      <\/p>\n<table style=\"border-collapse: collapse;width:100%;border-collapse:collapse\">\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u2022<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">Clinical and pre-clinical trial expense decreased $2.6 million for the year ended December 31, 2024 compared to the prior year\u00a0due to a decrease in spending for the (Z)-endoxifen trials, including a decrease in drug development costs.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u00a0<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u2022<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">The decrease in R&amp;D compensation expense of $0.5 million for the year ended December 31, 2024 compared to the prior year\u00a0was primarily due to a decrease in non-cash stock-based compensation expense of $0.9 million. Non-cash stock-based compensation expense decreased compared to the prior year due to the weighted average fair value of stock options amortizing in 2024 being lower than 2023. The decrease in compensation expense was partially offset by an increase in cash compensation expense of $0.4 million due to the hiring in early 2024 of additional R&amp;D employees.<\/td>\n<\/tr>\n<\/table>\n<p>\u00a0<\/p>\n<p>\u00a0\u00a0<br \/><strong>General and Administrative (G&amp;A) Expenses.<\/strong> The following table provides a breakdown of major categories within G&amp;A expenses for the years ended December 31, 2024 and 2023, together with the dollar change in those categories (dollars in thousands):<\/p>\n<table align=\"center\" style=\"border-collapse: collapse;width:100%;border-collapse:collapse\">\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>Year Ended December 31, 2024<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>Year Ended December 31, 2023<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>Increase (Decrease)<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>% Increase (Decrease)<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\n            <strong>General and Administrative Expense<\/strong>\n          <\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"max-width:14%;width:14%;min-width:14%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:23%;width:23%;min-width:23%;vertical-align: bottom\">Compensation<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">5,458<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">7,388<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">(1,930<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">)<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">(26<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">)%<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">Professional fees and other<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">7,164<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">5,367<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">1,797<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">33<\/td>\n<td style=\"padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">%<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">Insurance<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">882<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,288<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(406<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">(32<\/td>\n<td style=\"border-bottom: solid black 1pt;padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">)%<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\n            <strong>General and Administrative Expense Total<\/strong>\n          <\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">13,504<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">14,043<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(539<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;padding-right: 0;text-align: right;vertical-align: middle;vertical-align: bottom\">(4<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;padding-left: 0;text-align: left;vertical-align: middle;vertical-align: bottom\">)%<\/td>\n<\/tr>\n<\/table>\n<p>\n        \n      <\/p>\n<table style=\"border-collapse: collapse;width:100%;border-collapse:collapse\">\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u2022<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">The decrease in G&amp;A compensation expense of $1.9 million for the year ended December 31, 2024 compared to the prior year was due to a decrease in both cash compensation and non-cash stock-based compensation expense. Non-cash stock-based compensation expense decreased by $1.4 million for the year ended December 31, 2024 compared to the prior year due to the weighted average fair value of stock options amortizing in 2024 being lower than in 2023. Cash compensation decreased by $0.5 million for the year ended December 31, 2024 compared to the prior year primarily due to salary and bonus severance expense of $0.6 million related to the departure of our former Chief Financial Officer in 2023.\u00a0 \u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u00a0<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u2022<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">G&amp;A professional fees and other expense increased by $1.8 million for the year ended December 31, 2024 compared to the prior year primarily due to the increase in legal fees of $1.1 million for the year ended December 31, 2024. Legal costs for the PGR litigation and patent defense in 2024 increased $0.7 million, and we also incurred legal costs associated with the filing of our Registration Statement on Form S-3 and the establishment of our ATM facility of $0.4 million. Investor relations expense increased by $0.3 million for the year ended December 31, 2024 compared to the prior year due to an increase in investor outreach costs. Accounting fees also increased by $0.3 million for the year ended December 31, 2024 compared to the prior year due to procedures needed from both current and former auditors related to the Registration Statement on Form S-3 and our ATM facility.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u00a0<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">\u2022<\/td>\n<td style=\"text-align: justify;vertical-align: middle;vertical-align: top\">The decrease in G&amp;A insurance expense of $0.4 million for the year ended December 31, 2024 compared to the prior year was due to lower negotiated insurance premiums for the same or better coverage in 2024.<\/td>\n<\/tr>\n<\/table>\n<p align=\"justify\">\n        <em><br \/>\n          <br \/>Interest Income. <\/em>Interest income of $4.1 million for the year ended December 31, 2024 represented a decrease of $0.2 million compared to the prior year and was primarily due to a decrease in funds invested in the money market account.<\/p>\n<p align=\"justify\">\n        <em>Impairment Charge on Investment in Equity Securities. <\/em>For the years ended December 31, 2024 and 2023, we wrote down our investment in equity securities by $1.7 million and $3.0 million, respectively, due to impairment of our investment in Dynamic Cell Therapies, Inc.<\/p>\n<p align=\"justify\">\n        <strong>About (Z)-Endoxifen<\/strong><br \/>\n        <br \/>(Z)-endoxifen is one of the most potent Selective Estrogen Receptor Modulator (SERM) for estrogen receptor inhibition and may cause estrogen receptor degradation. It has also been shown to have efficacy in the setting of patients with tumor resistance to other hormonal treatments. In addition to its potent anti-estrogen effects, (Z)-endoxifen has been shown to target PKC\u03b21, a known oncogenic protein, at clinically attainable blood concentrations. Finally, (Z)-endoxifen appears to deliver similar or even greater bone agonistic effects while resulting in little or no endometrial proliferative effects compared with standard treatments, like tamoxifen.<\/p>\n<p align=\"justify\">Atossa is developing a proprietary oral formulation of (Z)-endoxifen that is encapsulated to bypass the stomach, as acidic conditions in the stomach convert a significant proportion of (Z)-endoxifen to the inactive (E)-endoxifen. Atossa\u2019s (Z)-endoxifen has been shown to be well tolerated in clinical studies of women with and without breast cancer. (Z)-endoxifen is currently being studied in four Phase 2 trials: one in women diagnosed with ductal carcinoma in situ, and three other studies including the EVANGELINE study and two I-SPY studies in women with ER+\/HER2- breast cancer. Atossa\u2019s (Z)-endoxifen is protected by three issued U.S. patents and numerous pending patent applications.<\/p>\n<p align=\"justify\">\n        <strong>About Atossa Therapeutics<\/strong><br \/>\n        <br \/>Atossa Therapeutics, Inc. (Nasdaq: ATOS) is a clinical-stage biopharmaceutical company dedicated to transforming breast cancer treatment through innovative science and patient-focused solutions. The company\u2019s lead product candidate, (Z)-endoxifen, is a highly potent SERM designed for use across the breast cancer spectrum, including prevention, neoadjuvant, adjuvant, and metastatic settings. Atossa is committed to advancing its robust clinical research programs to improve patient outcomes while creating sustainable value for shareholders. For more information, visit\u00a0<a href=\"https:\/\/www.globenewswire.com\/Tracker?data=dbiIMC7Bhu493djrd9iJPybNjpipcVR7DHiaQM_TBamdxQCqNOoCOzNLGlbkBFfKl7bM3R13tuwaBdu-S5OQsSchl3G79iVESq5HsLTUzGzVB3OxqB-dWS_CeHsh7Fn1p1VQ_9sSBHR7hNaLQg7_vVtNjyLtyejnMyioVCxkCgYkNrmC8gmkwgA7wSzJS2dZrGQI8QncMPOj2Z9azfx0fvPaZzuUmz9ZBV_F7z3R7yliFlp71h89c7yi1W-MPU_Oe5GOybEVIOwecINElbkKzQ==\" rel=\"nofollow\" target=\"_blank\">atossatherapeutics.com<\/a>.<\/p>\n<p align=\"justify\">\n        <strong>FORWARD\u00a0LOOKING STATEMENTS<\/strong><br \/>\n        <br \/>This press release contains certain information that may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. We may identify these forward-looking statements by the use of words such as \u201cexpect,\u201d \u201cpotential,\u201d \u201ccontinue,\u201d \u201cmay,\u201d \u201cwill,\u201d \u201cshould,\u201d \u201ccould,\u201d \u201cwould,\u201d \u201cseek,\u201d \u201cintend,\u201d \u201cplan,\u201d \u201cestimate,\u201d \u201canticipate,\u201d \u201cbelieve,\u201d \u201cdesign,\u201d \u201cpredict,\u201d \u201cfuture,\u201d or other comparable words. All statements made in this press release that are not statements of historical fact, including statements regarding data related to the (Z)-endoxifen program, the safety, tolerability and efficacy of (Z)-endoxifen, the potential of (Z)-endoxifen as a breast cancer prevention and treatment agent, the potential indications that the Company may pursue for (Z)-endoxifen, the potential for (Z)-endoxifen to receive regulatory approval, benefits of the Company\u2019s strategy of pursuing a metastatic indication for (Z)-endoxifen, the expected design and enrollment of trials and timing of data and related publications, and the potential market and growth opportunities for the Company, are forward-looking statements. Forward-looking statements in this press release are subject to risks and uncertainties that may cause actual results, outcomes, or the timing of actual results or outcomes, to differ materially from those projected or anticipated, including risks and uncertainties associated with: our ability to obtain patent coverage for our product candidates; macroeconomic conditions and increasing geopolitical instability; the expected timing of releasing data; any variation between interim or preliminary and final clinical results or analysis; actions and inactions by the FDA and foreign regulatory bodies; the outcome or timing of regulatory approvals needed by Atossa, including those needed to continue our planned (Z)-endoxifen trials; our ability to satisfy regulatory requirements; our ability to regain compliance or maintain compliance with the continued listing requirements of the Nasdaq Stock Market; our ability to successfully develop and commercialize new therapeutics; the success, costs and timing of our development activities, including our ability to successfully initiate or complete our clinical trials, including our (Z)-endoxifen trials; our anticipated rate of patient enrollment; our ability to contract with third-parties and their ability to perform adequately; our estimates on the size and characteristics of our potential markets; our ability to successfully defend litigation and other similar complaints and to establish and maintain intellectual property rights covering our products; whether we can successfully complete our clinical trial of oral (Z)-endoxifen in women with mammographic breast density and our trials of (Z)-endoxifen in women with breast cancer, and whether the studies will meet their objectives; our expectations as to future financial performance, expense levels and capital sources, including our ability to raise capital; our ability to attract and retain key personnel; our anticipated working capital needs and expectations around the sufficiency of our cash reserves; and other risks and uncertainties detailed from time to time in Atossa\u2019s filings with the Securities and Exchange Commission, including without limitation its Annual Reports on Form 10-K and Quarterly Reports on 10-Q. Forward-looking statements are presented as of the date of this press release. Except as required by law, we do not intend to update any forward-looking statements, whether as a result of new information, future events or circumstances or otherwise.<\/p>\n<p align=\"justify\">\n        <strong>Contact: <\/strong>\n      <\/p>\n<p>Michael Parks <br \/>VP, Investor and Public Relations<br \/>484-356-7105<br \/>michael.parks@atossainc.com<\/p>\n<p align=\"center\">\n        \n      <\/p>\n<table align=\"center\" style=\"border-collapse: collapse;width:100%;border-collapse:collapse\">\n<tr>\n<td colspan=\"9\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>ATOSSA THERAPEUTICS, INC.<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td colspan=\"9\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>CONSOLIDATED BALANCE SHEETS<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td colspan=\"9\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>(amounts in thousands, except share and per share data)<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"6\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"6\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>As of December\u00a031,<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>2024<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>2023<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\n            <strong><br \/>\n              <u>Assets<\/u><br \/>\n            <\/strong>\n          <\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Current assets<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"max-width:68%;width:68%;min-width:68%;vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Cash and cash equivalents<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">71,084<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">88,460<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Restricted cash<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">110<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">110<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Prepaid materials<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">2,098<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">1,487<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Prepaid expenses and other current assets<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,165<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">2,162<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 25.0px;vertical-align: bottom\">Total current assets<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">74,457<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">92,219<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Investment in equity securities<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u2014<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,710<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Other assets<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,987<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">2,323<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 25.0px;vertical-align: bottom\">Total assets<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">76,444<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">96,252<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\n            <strong><br \/>\n              <u>Liabilities and stockholders&#8217; equity<\/u><br \/>\n            <\/strong>\n          <\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Current liabilities<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Accounts payable<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">$<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">679<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">$<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">806<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Accrued expenses<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">919<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">973<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Payroll liabilities<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">1,862<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">1,654<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Other current liabilities<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,507<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">1,803<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 25.0px;vertical-align: bottom\">Total current liabilities<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">4,967<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">5,236<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 25.0px;vertical-align: bottom\">Total liabilities<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">4,967<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">5,236<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Commitments and contingencies<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u2014<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u2014<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Stockholders&#8217; equity<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Convertible preferred stock &#8211; $0.001 par value; 10,000,000 shares authorized;<br \/> 582 shares issued and outstanding as of December 31, 2024 and 2023<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u2014<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u2014<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Common stock &#8211; $0.18 par value; 350,000,000 and 175,000,000 shares authorized<br \/> as of December 31, 2024 and 2023, respectively; 129,170,004<br \/> and 125,304,064 shares issued and outstanding as of December 31, 2024 and <br \/> 2023, respectively<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">23,488<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">22,792<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Additional paid-in capital<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">261,256<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">255,987<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Treasury stock, at cost;\u00a01,320,046\u00a0shares of common stock at December 31, 2024 and 2023<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">(1,475<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">(1,475<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Accumulated deficit<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(211,792<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(186,288<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 25.0px;vertical-align: bottom\">Total stockholders&#8217; equity<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">71,477<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">91,016<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 25.0px;vertical-align: bottom\">Total liabilities and stockholders&#8217; equity<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">76,444<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">96,252<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 25.0px;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<\/table>\n<p align=\"center\">\n        \n      <\/p>\n<table align=\"center\" style=\"border-collapse: collapse;width:100%;border-collapse:collapse\">\n<tr>\n<td colspan=\"9\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>ATOSSA THERAPEUTICS, INC.<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td colspan=\"9\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>CONSOLIDATED STATEMENTS OF OPERATIONS<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td colspan=\"9\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>(amounts in thousands, except share and per share data)<\/strong>\n          <\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"6\" style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"6\" style=\"border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>For the Year Ended December\u00a031,<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>2024<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: center;vertical-align: middle;vertical-align: bottom\">\n            <strong>2023<\/strong>\n          <\/td>\n<td style=\"text-align: center;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Operating expenses<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td colspan=\"2\" style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"max-width:68%;width:68%;min-width:68%;vertical-align: bottom\">Research and development<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">14,117<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">$<\/td>\n<td style=\"max-width:13%;width:13%;min-width:13%;text-align: right;vertical-align: middle;vertical-align: bottom\">17,334<\/td>\n<td style=\"max-width:1%;width:1%;min-width:1%;vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">General and administrative<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">13,504<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">14,043<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: middle;text-align: left;padding-left: 15.0px;vertical-align: bottom\">Total operating expenses<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">27,621<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">31,377<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Operating loss<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(27,621<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(31,377<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Impairment charge on investment in equity securities<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">(1,710<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">(2,990<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Interest income<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">4,050<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"text-align: right;vertical-align: middle;vertical-align: bottom\">4,343<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Other expense, net<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(223<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(70<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Loss before income taxes<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(25,504<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(30,094<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Income tax benefit<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u2014<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-bottom: solid black 1pt;text-align: right;vertical-align: middle;vertical-align: bottom\">\u2014<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Net loss<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(25,504<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: solid black 1pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(30,094<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Net loss per share of common stock &#8211; basic and diluted<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(0.20<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;vertical-align: bottom\">$<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">(0.24<\/td>\n<td style=\"vertical-align: bottom\">)<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: bottom\">Weighted average shares outstanding used to compute net loss per share &#8211; basic and diluted<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">125,859,276<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;vertical-align: bottom\">\u00a0<\/td>\n<td style=\"border-top: double black 3pt;border-bottom: double black 3pt;text-align: right;vertical-align: middle;vertical-align: bottom\">126,081,602<\/td>\n<td style=\"vertical-align: bottom\">\u00a0<\/td>\n<\/tr>\n<\/table>\n<p>      <img decoding=\"async\" alt=\"\" class=\"__GNW8366DE3E__IMG\" src=\"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTQxMDE0NiM2ODMyMjE3IzIwMDkwOTA=\" \/><br \/>\n      <br \/>\n      <img decoding=\"async\" alt=\"\" src=\"https:\/\/ml.globenewswire.com\/media\/ZjdkODVmODctYTM3Mi00Y2M2LWFkMzAtYjM3YTM3YzhiMDI4LTEwMjA2NjMtMjAyNS0wMy0yNS1lbg==\/tiny\/Atossa-Therapeutics-Inc-.png\" \/>\n    <\/div>\n<div class=\"mw_contactinfo\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ended 2024 with $71.1 million of cash and cash equivalents and no debt Conference Call and Webcast Scheduled for Tuesday, March 25, 2025, at 8:30 a.m. Eastern Time SEATTLE, March 25, 2025 (GLOBE NEWSWIRE) &#8212; Atossa Therapeutics, Inc. (Nasdaq: ATOS) (\u201cAtossa\u201d or the \u201cCompany\u201d), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the full year ended December 31, 2024 and provided an update on recent company developments. Fourth Quarter and Early 2025 Highlights Strategic Decision to Pursue Metastatic Breast Cancer Indication: Atossa plans to advance its lead program, (Z)-endoxifen, to target metastatic breast cancer. The Company believes this approach may offer a more streamlined regulatory pathway to deliver (Z)-endoxifen to patients with &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-829374","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"Ended 2024 with $71.1 million of cash and cash equivalents and no debt Conference Call and Webcast Scheduled for Tuesday, March 25, 2025, at 8:30 a.m. Eastern Time SEATTLE, March 25, 2025 (GLOBE NEWSWIRE) &#8212; Atossa Therapeutics, Inc. (Nasdaq: ATOS) (\u201cAtossa\u201d or the \u201cCompany\u201d), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the full year ended December 31, 2024 and provided an update on recent company developments. Fourth Quarter and Early 2025 Highlights Strategic Decision to Pursue Metastatic Breast Cancer Indication: Atossa plans to advance its lead program, (Z)-endoxifen, to target metastatic breast cancer. The Company believes this approach may offer a more streamlined regulatory pathway to deliver (Z)-endoxifen to patients with &hellip; Continue reading &quot;Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-25T12:07:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTQxMDE0NiM2ODMyMjE3IzIwMDkwOTA=\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"12 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update\",\"datePublished\":\"2025-03-25T12:07:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\\\/\"},\"wordCount\":2417,\"image\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.globenewswire.com\\\/newsroom\\\/ti?nf=OTQxMDE0NiM2ODMyMjE3IzIwMDkwOTA=\",\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\\\/\",\"url\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\\\/\",\"name\":\"Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update - 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(Nasdaq: ATOS) (\u201cAtossa\u201d or the \u201cCompany\u201d), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the full year ended December 31, 2024 and provided an update on recent company developments. Fourth Quarter and Early 2025 Highlights Strategic Decision to Pursue Metastatic Breast Cancer Indication: Atossa plans to advance its lead program, (Z)-endoxifen, to target metastatic breast cancer. The Company believes this approach may offer a more streamlined regulatory pathway to deliver (Z)-endoxifen to patients with &hellip; Continue reading \"Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/","og_site_name":"Market Newsdesk","article_published_time":"2025-03-25T12:07:31+00:00","og_image":[{"url":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTQxMDE0NiM2ODMyMjE3IzIwMDkwOTA=","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"12 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update","datePublished":"2025-03-25T12:07:31+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/"},"wordCount":2417,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/#primaryimage"},"thumbnailUrl":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTQxMDE0NiM2ODMyMjE3IzIwMDkwOTA=","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/atossa-therapeutics-announces-full-year-2024-financial-results-and-provides-corporate-update\/","name":"Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides\u00a0Corporate Update - 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