• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • AI SuperconnectorNEW
  • Settings
  • RSS Feeds
PublishGo to AppAI Superconnector
    Quantisnow Logo

    © 2025 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEW
    Legal
    Terms of usePrivacy policyCookie policy

    Amendment: SEC Form SC 13G/A filed by Atossa Therapeutics Inc.

    11/12/24 1:32:30 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $ATOS alert in real time by email
    SC 13G/A 1 UnitedStates_13G__AtossaTher.txt 240.13d-102 Schedule 13G - Information to be included in statements filed pursuant to 240.13d-1(b), (c), and (d) and amendments thereto filed pursuant to 240.13d-2. Securities and Exchange Commission, Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* (Name of Issuer) Atossa Therapeutics Inc (Title of Class of Securities) Common Stock (CUSIP Number) 04962H506 (Date of Event Which Requires Filing of this Statement) September 30, 2024 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: X Rule 13d-1(b) Rule 13d-1(c) Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, an* d for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose of Section 18 of the Securities Exchange Act of 1934 ( Act ) or otherwise subject to the liabilities of that section of * the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP No. 04962H506 (1) Names of reporting persons The Vanguard Group (2) Check the appropriate box if a member of a group (a) (see instructions) (b) X (3) SEC use only (4) Citizenship or place of organization Pennsylvania Number of shares beneficially owned by each reporting person with: (5) Sole voting power 0 (6) Shared voting power 82,445 (7) Sole dispositive power 6,469,502 (8) Shared dispositive power 128,794 (9) Aggregate amount beneficially owned by each reporting person 6,598,296 (10) Check if the aggregate amount in Row (9) excludes certain shares (see instructions) (11) Percent of class represented by amount in Row (9) 5.24% (12) Type of reporting person (see instructions) IA Item 1(a) Name of issuer: Atossa Therapeutics Inc Item 1(b) Address of issuer's principal executive offices: 10202 5th Avenue North East, Suite 200 Seattle, WA 98125 Items 2(a)-2(c). Name, Address Of principal business office, and Citizenship of* persons filing: The Vanguard Group - 23-1945930 100 Vanguard Blvd. Malvern, PA 19355 2(d) Title of class of securities: Common Stock 2(e) CUSIP Number: 04962H506 Item 3. This statement is being filed pursuant to Rule 13d-1. An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E). Item 4. Ownership As of the close of business on September 30, 2024: (a) Aggregate amount beneficially owned: 6,598,296 (b) Percent of class: 5.24% (c) Number of shares as to which person has: 1. The Vanguard Group (a) Amount beneficially owned: 6,598,296 (b) Percent of class: 5.24% (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: 0 (ii) Shared power to vote or to direct the vote: 82,445 (iii) Sole power to dispose or to direct the disposition of: 6,469,502 (iv) Shared power to dispose or to direct the disposition of: 128,794 Item 5.Ownership of 5 Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following . Item 6. Ownership of More than 5 Percent on Behalf of Another Person. The Vanguard Group, Inc.'s clients, including investment companies registered u* nder the Investment Company Act of 1940 and other managed accounts, have the ri* ght to receive or the power to direct the receipt of dividends from, or the pro* ceeds from the sale of, the securities reported herein. No one other person's interest in the securities reported herein is more than 5* %. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reporting on by the Parent Holding Company or Control Person. Not applicable Item 8. Identification and Classification of Members of the Group Not applicable Item 9. Notice of Dissolution of Group. Not applicable Item 10. Certifications By signing below I certify that, to the best of his/her knowledge and belief, t* he securities referred to above were not acquired and are not held for the pur* pose of or with the effect of changing or influencing the control of the issuer* of the securities and were not acquired and are not held in connection with or* as a participant in any transaction having that purpose or effect. Signature. After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: November 12, 2024 THE VANGUARD GROUP By: /s/ Ashley Grim Name: Ashley Grim Title: Head of Global Fund Administration
    Get the next $ATOS alert in real time by email

    Crush Q3 2025 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $ATOS

    DatePrice TargetRatingAnalyst
    More analyst ratings

    $ATOS
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Atossa Therapeutics Selects PSI as Contract Research Organization for Pivotal Dose-Ranging Study of (Z)-Endoxifen in Metastatic Breast Cancer

    Monotherapy Phase 2 study designed with FDA input; IND expected in Q4 2025 Topline results anticipated in 2026  Positions Atossa for transition into registrational Phase 3 development SEATTLE, Aug. 20, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, announced today it has selected PSI, a leading global contract research organization (CRO), to operationalize and manage its planned (Z)-endoxifen monotherapy dose-ranging study in women with metastatic breast cancer (mBC). The study was designed following guidance from the U.S. Food and Drug Administration (FDA)

    8/20/25 8:30:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Atossa Therapeutics Announces Second Quarter 2025 Financial Results and Provides a Corporate Update

    FDA Provides Positive Feedback, Clears Path for Atossa to File IND for (Z)-Endoxifen in Metastatic Breast Cancer; FDA Indicates No Additional Toxicity Studies Required Strong I-SPY2 Results Reinforce Efficacy of Atossa's Monotherapy at 3-weeks SEATTLE, Aug. 12, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) (Atossa or the Company), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the second quarter ended June 30, 2025 and provided an update on recent company developments. "Atos

    8/12/25 8:30:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Atossa Therapeutics Announces Positive FDA Feedback, Advances Toward IND for (Z)-Endoxifen Clinical Program in ER+/HER2- Metastatic Breast Cancer

    SEATTLE, July 29, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (NASDAQ:ATOS), a clinical-stage biopharmaceutical company developing innovative medicines in oncology, today announced positive written feedback from the U.S. Food and Drug Administration (FDA) regarding the company's proposed dose optimization trial of (Z)-endoxifen for the treatment of estrogen receptor positive (ER+), human epidermal growth factor receptor 2 negative (HER2-) metastatic breast cancer. With the FDA's feedback, Atossa is energized and moving quickly to advance (Z)-endoxifen in metastatic breast c

    7/29/25 7:45:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $ATOS
    SEC Filings

    View All

    SEC Form 10-Q filed by Atossa Therapeutics Inc.

    10-Q - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer)

    8/12/25 8:45:46 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Atossa Therapeutics Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits

    8-K - ATOSSA THERAPEUTICS, INC. (0001488039) (Filer)

    8/12/25 8:40:29 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Amendment: SEC Form SCHEDULE 13G/A filed by Atossa Therapeutics Inc.

    SCHEDULE 13G/A - ATOSSA THERAPEUTICS, INC. (0001488039) (Subject)

    7/29/25 11:26:13 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $ATOS
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    President & CEO Quay Steven C bought $9,887 worth of shares (11,239 units at $0.88), increasing direct ownership by 423% to 13,898 units (SEC Form 4)

    4 - ATOSSA THERAPEUTICS, INC. (0001488039) (Issuer)

    5/22/25 6:27:25 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Director Remmel H. Lawrence bought $7,000 worth of shares (10,000 units at $0.70), increasing direct ownership by 3,891% to 10,257 units (SEC Form 4)

    4 - ATOSSA THERAPEUTICS, INC. (0001488039) (Issuer)

    3/28/25 4:00:03 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Finn Jonathan bought $44,250 worth of shares (25,000 units at $1.77) (SEC Form 4)

    4 - ATOSSA THERAPEUTICS, INC. (0001488039) (Issuer)

    4/11/24 4:05:09 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $ATOS
    Leadership Updates

    Live Leadership Updates

    View All

    Atossa Therapeutics Announces Third Quarter 2024 Financial Results and Provides Corporate Update

    Announced positive topline results from KARISMA-Endoxifen Phase 2 study which demonstrated that low doses of (Z)-endoxifen significantly reduced mammographic breast density (MBD), addressing a key breast cancer risk factorReleased a preliminary analysis from I-SPY 2 Endocrine Optimization Pilot (EOP) Phase 2 trial of (Z)-endoxifen which met the primary endpoint with 95 percent (19/20 patients) receiving > 75 percent of planned treatmentAnnounced the dosing of the first patient in a clinical trial conducted in partnership with Quantum Leap Healthcare Collaborativeä evaluating Atossa's proprietary (Z)-endoxifen in combination with abemaciclib (VERZENIO)Received a new patent (U.S. Patent No. 12

    11/12/24 8:30:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Atossa Therapeutics Appoints Claudia Lopez, DVM, MSc, as Vice President, Clinical Product Development

    SEATTLE, Nov. 05, 2024 (GLOBE NEWSWIRE) -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) ("Atossa" or the "Company"), today announced the appointment of Claudia Lopez, DVM, MSc, as its new Vice President, Clinical Product Development. Dr. Lopez brings more than two decades of clinical development and strategic expertise to Atossa, including leadership roles in global clinical programs across immunology, oncology, and metabolic disease. Atossa Therapeutics is a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer. Dr. Lopez most recently served as Vice President of Clinical Development at Landos Biopharma, where she oversaw global clinical strategies, trial

    11/5/24 8:30:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Atossa Therapeutics Announces the Appointment of Michael Parks as Vice President, Investor and Public Relations

    SEATTLE, Aug. 20, 2024 (GLOBE NEWSWIRE) -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) today announced the appointment of Michael Parks as Vice President of Investor and Public Relations. Mr. Parks brings nearly 30 years of investor relations and corporate communications experience working globally within the biopharmaceutical and healthcare industries. He will oversee corporate, executive, and digital communications, investor relations, thought leadership, and branding for the Company. Atossa is a clinical stage biopharmaceutical company developing innovative medicines in areas of significant unmet medical need in oncology with a focus on breast cancer. "We are excited to welcome Michael t

    8/20/24 8:30:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $ATOS
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    Amendment: SEC Form SC 13G/A filed by Atossa Therapeutics Inc.

    SC 13G/A - ATOSSA THERAPEUTICS, INC. (0001488039) (Subject)

    11/12/24 1:32:30 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Amendment: SEC Form SC 13G/A filed by Atossa Therapeutics Inc.

    SC 13G/A - ATOSSA THERAPEUTICS, INC. (0001488039) (Subject)

    11/4/24 11:27:58 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form SC 13G/A filed by Atossa Therapeutics Inc. (Amendment)

    SC 13G/A - ATOSSA THERAPEUTICS, INC. (0001488039) (Subject)

    2/9/23 11:07:47 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $ATOS
    Financials

    Live finance-specific insights

    View All

    Atossa Therapeutics Announces Second Quarter 2025 Financial Results and Provides a Corporate Update

    FDA Provides Positive Feedback, Clears Path for Atossa to File IND for (Z)-Endoxifen in Metastatic Breast Cancer; FDA Indicates No Additional Toxicity Studies Required Strong I-SPY2 Results Reinforce Efficacy of Atossa's Monotherapy at 3-weeks SEATTLE, Aug. 12, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) (Atossa or the Company), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the second quarter ended June 30, 2025 and provided an update on recent company developments. "Atos

    8/12/25 8:30:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Atossa Therapeutics Announces First Quarter 2025 Financial Results and Provides a Corporate Update

    Announced strategic plan to advance (Z)-endoxifen for metastatic breast cancer indication  Enhanced (Z)-endoxifen intellectual property portfolio with three new U.S. patents, expanding IP portfolio to more than 200 patent claims related to (Z)-endoxifen Ended first quarter 2025 with $65.1 million in cash and cash equivalents and no debt SEATTLE, May 13, 2025 /PRNewswire/ -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) (Atossa or the Company), a clinical-stage biopharmaceutical company developing innovative medicines for breast cancer, today announced its financial results for the first quarter ended March 31, 2025 and provided an update on recent company developments.

    5/13/25 8:00:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    Atossa Therapeutics Announces Full Year 2024 Financial Results and Provides Corporate Update

    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) -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) ("Atossa" or the "Company"), 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 bre

    3/25/25 8:00:00 AM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $ATOS
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    President & CEO Quay Steven C bought $9,887 worth of shares (11,239 units at $0.88), increasing direct ownership by 423% to 13,898 units (SEC Form 4)

    4 - ATOSSA THERAPEUTICS, INC. (0001488039) (Issuer)

    5/22/25 6:27:25 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 4 filed by Director Finn Jonathan

    4 - ATOSSA THERAPEUTICS, INC. (0001488039) (Issuer)

    5/16/25 4:05:23 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 4 filed by Director Steinhart Richard I

    4 - ATOSSA THERAPEUTICS, INC. (0001488039) (Issuer)

    5/16/25 4:05:09 PM ET
    $ATOS
    Biotechnology: Pharmaceutical Preparations
    Health Care