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

    © 2026 quantisnow.com
    Democratizing insights since 2022

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

    Amendment: SEC Form 5 filed by Romness Paul A.

    5/15/26 6:30:02 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $OSTX alert in real time by email
    SEC FORM 5/ASEC Form 5
    FORM 5UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number:3235-0362
    Estimated average burden
    hours per response:1.0
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Form 3 Holdings Reported.
      
    Form 4 Transactions Reported.
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    Romness Paul A.

    (Last)(First)(Middle)
    C/O OS THERAPIES INCORPORATED
    115 PULLMAN CROSSING ROAD, SUITE 103

    (Street)
    GRASONVILLE MARYLAND 21638

    (City)(State)(Zip)

    UNITED STATES

    (Country)
    2. Issuer Name and Ticker or Trading Symbol
    OS Therapies Inc [ OSTX ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    XDirector10% Owner
    XOfficer (give title below)Other (specify below)
    President and CEO
    2a. Foreign Trading Symbol

    3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
    12/31/2024
    6. Individual or Joint/Group Filing (Check Applicable Line)
    XForm filed by One Reporting Person
    Form filed by More than One Reporting Person
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    02/14/2025
    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
    Amount(A) or (D)Price
    Common Stock2,248,000D
    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
    (A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
    Non-qualified stock options (right to buy)$1.8612/05/2024A500,000 (1) (1)Common stock, par value $0.001 per share500,000$0500,000D
    Explanation of Responses:
    1. On December 5, 2024, the reporting person was granted non-qualified stock options to purchase 500,000 shares of the issuer's common stock pursuant to the terms and conditions of a stock option award agreement and subject to certain vesting conditions.
    Remarks:
    On February 14, 2025, the reporting person filed a Form 5 that incorrectly reported the number of shares of common stock underlying the stock option award grant in Table II. This amended Form 5 is being filed solely to report in Table II the correct number of shares of common stock underlying the stock option award grant that occurred on December 5, 2024. This amended report does not report any new transactions or otherwise modify the transaction details that were previously reported.
    /s/ Paul A. Romness05/15/2026
    ** Signature of Reporting PersonDate
    Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
    * If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
    ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
    * Form 5: SEC 2770T (03-26)
    Get the next $OSTX alert in real time by email

    Crush Q1 2026 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
    $OSTX

    DatePrice TargetRatingAnalyst
    4/2/2025$19.00Buy
    Lake Street
    More analyst ratings

    $OSTX
    SEC Filings

    View All

    SEC Form 10-Q filed by OS Therapies Incorporated

    10-Q - OS Therapies Inc (0001795091) (Filer)

    5/18/26 6:02:31 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form NT 10-Q filed by OS Therapies Incorporated

    NT 10-Q - OS Therapies Inc (0001795091) (Filer)

    5/15/26 4:15:58 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    OS Therapies Incorporated filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits

    8-K - OS Therapies Inc (0001795091) (Filer)

    4/30/26 4:06:12 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $OSTX
    Insider Trading

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

    View All

    Amendment: SEC Form 5 filed by Romness Paul A.

    5/A - OS Therapies Inc (0001795091) (Issuer)

    5/15/26 6:30:02 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 4 filed by Director Mckean-Dieser Avril Suzette

    4 - OS Therapies Inc (0001795091) (Issuer)

    2/13/26 4:43:41 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 4 filed by Director Search Theodore F.

    4 - OS Therapies Inc (0001795091) (Issuer)

    2/13/26 4:43:05 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $OSTX
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    OS Therapies Achieves Statistically Significant 2.5-Year Overall Survival in Phase 2b Trial of OST-HER2 in Fully Resected Pulmonary Metastatic Osteosarcoma

    75% 2.5-year overall survival for OST-HER2 vs. 47% pooled historical control (p = 0.003), with no new patient deaths reported since the 2-year overall survival data (75% vs. 60%, p = 0.034)Updated clinical efficacy data being added to regulatory dossiers as Company seeks early market authorizations in U.S., U.K., Europe and Australia in 2nd half of 2026EMA and Australia TGA (TGA) alignment achieved on early Q4-2026 3-year overall survival data, supported by biomarker data, as key approvable clinical efficacy endpointUpcoming U.S. FDA and U.K. MHRA meetings seek alignment with EMA and TGA on Phase 2b 3-year overall survival and biomarker data to support early market access Conf

    6/2/26 6:00:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    OS Therapies Announces the Publication of Four Articles on OST-HER2 and Osteosarcoma in Drug Discovery World

    The Company confirms that it will release 2.5 year overall survival data from Phase 2b clinical trial OST-HER2 in the prevention or delay of recurrence in fully-resected pulmonary metastatic osteosarcoma during the 2026 American Society of Clinical Oncologists (ASCO) Annual Meeting being held from May 28, 2026 to June 2, 2026.New York, New York and Rockville, Maryland--(Newsfile Corp. - May 29, 2026) - OS Therapies, Inc. (NYSE:OSTX) ("OS Therapies" or "the Company"), the world leader in gene-edited, listeria-based cancer immunotherapies, today announced the publication of four articles related to OST-HER2 and/or Osteosarcoma in Drug Discovery World.Looking back to see forward: The future of

    5/29/26 7:20:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    OS Therapies to Attend Upcoming Medical, Financial and Industry Conferences

    ASCO 2026: 2.5-Year Overall Survival DataJefferies Healthcare Conference: Partnering & Investor meetingsBIO International Convention: Panel ParticipationMIB Agents Factor Osteosarcoma Conference: Data PresentationNew York, New York and Rockville, Maryland--(Newsfile Corp. - May 26, 2026) - OS Therapies, Inc. (NYSE:OSTX) ("OS Therapies" or "the Company"), the world leader in gene-edited, listeria-based cancer immunotherapies, announced that it will attend upcoming medical, financial and scientific conferences:American Society of Clinical Oncologists 2026Where: Chicago, ILWhen: May 29, 2026 to June 2, 2026What: 2.5-year overall survival data announcementJefferies Global Healthcare Conference 2

    5/26/26 7:40:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $OSTX
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    Lake Street initiated coverage on OS Therapies with a new price target

    Lake Street initiated coverage of OS Therapies with a rating of Buy and set a new price target of $19.00

    4/2/25 8:01:55 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $OSTX
    Leadership Updates

    Live Leadership Updates

    View All

    OS Therapies Appoints Industry Leader Dr. Craig Eagle as Chief Medical Advisor

    Appointment strengthens medical, regulatory, and commercial leadership as Company prepares to complete early market access regulatory filings in the U.S., U.K, Europe and Australia in anticipation of OST-HER2 approval decisions expected by year-end 2026Upcoming FDA Pre-BLA meeting will focus on the use of recent seroconversion biomarker data as a key surrogate clinical efficacy endpoint to support a BLA for OST-HER2 under the Accelerated Approval ProgramCommercialization and reimbursement preparations well underway for the U.S., U.K., and Europe in parallel with ongoing partnership discussionsNew York, New York and Rockville, Maryland--(Newsfile Corp. - May 14, 2026) - OS Therapies, Inc. (NY

    5/14/26 7:30:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    OS Therapies Appoints Biotech Industry Luminary Robert "Bob" S. Langer, PhD as Strategic Advisor

    Co-founder of more than 40 biotechnology companies, including 16 IPOs and 19 successful acquisitions Scientific and medical titan focused on driving innovation for human healthWill assist with listeria oncology pipeline prioritization, combinations with other oncology-focused biotechnologies and tADC candidate selection for further developmentNew York, New York--(Newsfile Corp. - April 13, 2026) - OS Therapies, Inc. (NYSE:OSTX) ("OS Therapies" or "the Company"), the world leader in gene-edited, listeria-based cancer immunotherapies, announced today that Dr. Robert "Bob" S. Langer, co-founder of Moderna, was appointed to the Company's strategic advisory board. Dr. Langer will assist managemen

    4/13/26 6:00:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    OS Therapies Appoints Craig Eagle, MD as Strategic Advisor

    Senior leadership roles at Guardant Health, Genentech and PfizerRegulatory, clinical and commercial expertise in therapeutics and biomarkersWill assist with osteosarcoma regulatory advice and oncology pipeline prioritizationNew York, New York--(Newsfile Corp. - April 8, 2026) - OS Therapies, Inc. (NYSE:OSTX) ("OS Therapies" or "the Company"), the world leader in gene-edited, listeria-based cancer immunotherapies, today announced that Craig Eagle, MD, was appointed to the Company's newly-formed strategic advisory board. The Company's strategic advisory board is being formed to assist the Company in fine-tuning its osteosarcoma regulatory execution plan and to help develop a detailed pipeline

    4/8/26 11:38:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $OSTX
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    SEC Form SC 13G filed by OS Therapies Incorporated

    SC 13G - OS Therapies Inc (0001795091) (Subject)

    8/28/24 4:30:09 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    $OSTX
    Financials

    Live finance-specific insights

    View All

    OS Therapies Announces EMA Initiates Rolling Review of Conditional Marketing Authorization Application for OST-HER2 in the Prevention or Delay of Recurrence in Fully Resected Pulmonary Metastatic Osteosarcoma

    Conference call scheduled for Thursday, April 30, 2026, at 8:30 am ET to review new OST-HER2 immune pharmacodynamic biomarker response (seroconversion) data and review regulatory successes validating the OST-HER2 approach. Participants will include strategic advisors Dr. Craig Eagle and Dr. Bob Langer, and Osteosarcoma key opinion leader Dr. Peter Anderson from Cleveland Clinic.EMA and Australia TGA (ATGA) align on 3-year overall survival as the approvable clinical efficacy endpoint for Conditional Marketing Authorizations (CMAs), with alignment also achieved on confirmatory Phase 3 initiation, initially only in Australia, planned for Q3 2026 to meet regulatory requirement to support early a

    4/30/26 6:00:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    OS Therapies Schedules OST-HER2 Pharmacodynamic Response Biomarker Conference Call on April 30, 2026 at 8:30am ET

    Regulatory feedback recent from April 2026 EU EMA and Australian TGA meetingsRemaining Q2-2026 regulatory meetings include two U.S. FDA meetings and one UK MHRA meeting, in addition to follow-up meetings with EU EMA and Australian TGANew York, New York--(Newsfile Corp. - April 27, 2026) - OS Therapies, Inc. (NYSE American: OSTX) ("OS Therapies" or "the Company"), the world leader in gene-edited, listeria-based cancer immunotherapies, today announced that it will be hosting a conference call on Thursday April 30, 2026 at 8:30am ET to review the data that supported the recent Patent Cooperation Treaty (PCT) international application for a OST-HER2 pharmacodynamic biomarker1 (the "OST-HER2

    4/27/26 4:01:00 PM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care

    OS Therapies Files New Patent Application Covering Biomarkers of the Immune Response to Listeria Monocytogenes

    New patent application covers treatment-emergent immune signature related to 'turning cold tumors hot' and the activation of targeted cytotoxic cellular immune responses Company to host conference call later in April 2026 to review new biomarker signatureBiomarker signature meets pharmacodynamic/response criteria established by FDA's Biomarkers, EndpointS and other Tools (BEST) program for use as a surrogate clinical endpoint of 1-year event free survival and 2-year overall survival in OST-HER2's Phase 2b trial in the prevention of delay of recurrent, fully-resected, pulmonary metastatic osteosarcoma to support a BLA submission under FDA's Accelerated Approval ProgramNew York, New York--(New

    4/16/26 7:20:00 AM ET
    $OSTX
    Biotechnology: Pharmaceutical Preparations
    Health Care