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    GT Biopharma Inc.

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    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma, Inc., a clinical stage biopharmaceutical company, focuses on the development and commercialization of immuno-oncology products based on its proprietary Tri-specific Killer Engager (TriKE) fusion protein immune cell engager technology platform. The company develops various immuno-oncology product candidates, including GTB-3550, a single-chain tri-specific recombinant fusion protein conjugate that is in Phase I/II clinical trial for the treatment of myelodysplastic syndromes, refractory/relapsed acute myeloid leukemia or advanced systemic mastocytosis, and other CD33+ hematopoietic malignancies; GTB-C3550, a follow-on to its lead candidates TriKE, GTB-3550; GTB-4550, a single-chain tri-specific single chain variable fragments (scFv) recombinant fusion protein conjugate for the treatment of PD-L1+ solid tumor cancers; and GTB-5550, a single-chain tri-specific scFv recombinant fusion protein conjugate for the treatment of B7H3+ solid tumor cancers. GT Biopharma, Inc. has a co-development partnership agreement with Altor BioScience Corporation for the clinical development of a 161533 TriKE fusion protein for cancer therapies; a license agreement with the Regents of the University of Minnesota to develop and commercialize cancer therapies using TriKE technology; and a collaboration agreement with Cytovance Biologics to provide development services for a TriKE therapeutic for the treatment of coronavirus infection. The company was formerly known as OXIS International, Inc. and changed its name to GT Biopharma, Inc. in July 2017. GT Biopharma, Inc. was incorporated in 1965 and is based in Beverly Hills, California.

    IPO Year:

    Exchange: NASDAQ

    Website: gtbiopharma.com

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    Recent Analyst Ratings for GT Biopharma Inc.

    DatePrice TargetRatingAnalyst
    12/2/2024$11.00Buy
    ROTH MKM
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    GT Biopharma Inc. Insider Trading

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    SEC Form 4 filed by Director Mun-Gavin David C.

    4 - GT Biopharma, Inc. (0000109657) (Issuer)

    9/8/25 5:45:44 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 4 filed by CEO and Director Breen Michael Martin

    4 - GT Biopharma, Inc. (0000109657) (Issuer)

    9/8/25 5:45:43 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form 4 filed by Director Casamento Charles J

    4 - GT Biopharma, Inc. (0000109657) (Issuer)

    9/8/25 5:45:40 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 4 filed by Chief Financial Officer Urban Alan Louis

    4 - GT Biopharma, Inc. (0000109657) (Issuer)

    9/8/25 5:45:41 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form 4 filed by Director Kramer Hilary

    4 - GT Biopharma, Inc. (0000109657) (Issuer)

    9/8/25 5:45:38 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form 3 filed by new insider Mun-Gavin David C.

    3 - GT Biopharma, Inc. (0000109657) (Issuer)

    7/30/25 4:10:12 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    SEC Form 3 filed by new insider Kramer Hilary

    3 - GT Biopharma, Inc. (0000109657) (Issuer)

    6/3/25 4:15:22 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form 3 filed by new insider Ritter Andrew J

    3 - GT Biopharma, Inc. (0000109657) (Issuer)

    5/29/25 4:15:10 PM ET
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    SEC Form 4 filed by Chief Financial Officer Urban Alan Louis

    4 - GT Biopharma, Inc. (0000109657) (Issuer)

    10/21/24 9:13:40 PM ET
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    SEC Form 3 filed by new insider Urban Alan Louis

    3 - GT Biopharma, Inc. (0000109657) (Issuer)

    6/13/24 4:14:29 PM ET
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    GT Biopharma Inc. Analyst Ratings

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

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    ROTH MKM initiated coverage on GT Biopharma with a new price target

    ROTH MKM initiated coverage of GT Biopharma with a rating of Buy and set a new price target of $11.00

    12/2/24 10:00:20 AM ET
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    Biotechnology: Pharmaceutical Preparations
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    HC Wainwright & Co. initiated coverage on GT Biopharma with a new price target

    HC Wainwright & Co. initiated coverage of GT Biopharma with a rating of Buy and set a new price target of $25.00

    5/24/21 6:11:36 AM ET
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    B. Riley Securities initiated coverage on GT Biopharma with a new price target

    B. Riley Securities initiated coverage of GT Biopharma with a rating of Buy and set a new price target of $21.00

    4/13/21 6:45:30 AM ET
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    Biotechnology: Pharmaceutical Preparations
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    ROTH Capital initiated coverage on GT Biopharma with a new price target

    ROTH Capital initiated coverage of GT Biopharma with a rating of Buy and set a new price target of $25.00

    3/17/21 6:31:13 AM ET
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    Biotechnology: Pharmaceutical Preparations
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    GT Biopharma Inc. SEC Filings

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    GT Biopharma Inc. filed SEC Form 8-K: Material Modification to Rights of Security Holders, Financial Statements and Exhibits

    8-K - GT Biopharma, Inc. (0000109657) (Filer)

    9/26/25 4:15:54 PM ET
    $GTBP
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    GT Biopharma Inc. filed SEC Form 8-K: Material Modification to Rights of Security Holders, Financial Statements and Exhibits

    8-K - GT Biopharma, Inc. (0000109657) (Filer)

    9/23/25 5:30:50 PM ET
    $GTBP
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    GT Biopharma Inc. filed SEC Form 8-K: Leadership Update, Financial Statements and Exhibits

    8-K - GT Biopharma, Inc. (0000109657) (Filer)

    8/29/25 4:15:35 PM ET
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    GT Biopharma Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders

    8-K - GT Biopharma, Inc. (0000109657) (Filer)

    7/24/25 4:34:59 PM ET
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    SEC Form 424B3 filed by GT Biopharma Inc.

    424B3 - GT Biopharma, Inc. (0000109657) (Filer)

    7/3/25 8:30:44 AM ET
    $GTBP
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    SEC Form EFFECT filed by GT Biopharma Inc.

    EFFECT - GT Biopharma, Inc. (0000109657) (Filer)

    7/3/25 12:15:12 AM ET
    $GTBP
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    Amendment: SEC Form S-1/A filed by GT Biopharma Inc.

    S-1/A - GT Biopharma, Inc. (0000109657) (Filer)

    6/27/25 5:30:11 PM ET
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    SEC Form S-1 filed by GT Biopharma Inc.

    S-1 - GT Biopharma, Inc. (0000109657) (Filer)

    6/11/25 5:30:04 PM ET
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    SEC Form DEFA14A filed by GT Biopharma Inc.

    DEFA14A - GT Biopharma, Inc. (0000109657) (Filer)

    6/11/25 4:31:38 PM ET
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    SEC Form DEF 14A filed by GT Biopharma Inc.

    DEF 14A - GT Biopharma, Inc. (0000109657) (Filer)

    6/11/25 4:30:51 PM ET
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    GT Biopharma Inc. Press Releases

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    Breakthrough Discoveries Unlock $643B Cancer Treatment Market By 2034

    Equity Insider News Commentary Issued on behalf of GT Biopharma, Inc. VANCOUVER, BC, Oct. 8, 2025 /PRNewswire/ -- Ohio State researchers recently solved a critical mystery explaining why some cancer immunotherapies fail[1], while a University of Chicago team discovered a common supplement that supercharges immune cells against tumors[2]. These breakthroughs are propelling the global cancer treatment market from $282 billion in 2025 toward $643.5 billion by 2034[3], creating powerful momentum for companies pioneering next-generation approaches including GT Biopharma, Inc. (NASDAQ:GTBP), Lexeo Therapeutics, Inc. (NASDAQ:LXEO), Anixa Biosciences, Inc. (NASDAQ:ANIX), Tempus AI, Inc. (NASDAQ:TEM)

    10/8/25 10:58:00 AM ET
    $ANIX
    $CTOR
    $GTBP
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    Biotechnology: Biological Products (No Diagnostic Substances)
    Computer Software: Programming Data Processing

    GT Biopharma Provides Enrollment Update on GTB-3650 Phase 1 Trial in Patients with Relapsed or Refractory (r/r) CD33 Expressing Hematologic Malignancies

    The Company is well on track with Phase 1 enrollment now that both patients in Cohort 3 have successfully initiated treatment with no evidence of dose-limiting toxicities or tolerability concerns to date The first patient in Cohort 3 has shown promising evidence of immune activation consistent with levels of activity observed in patients from the previous two lower-dose cohorts; additional update anticipated by year-end Upon successful completion of the Cohort 3 safety assessment, the trial will continue to dose escalate with initiation of Cohort 4 dosing planned by year-end 2025, and flexibility to dose up to 7 cohorts if necessary; additional data updates anticipated in Q1 2026 SAN FRAN

    10/8/25 9:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    Novel Cancer Platforms Converge as Clinical Data Reshapes Treatment Paradigms

    Equity Insider News Commentary Issued on behalf of GT Biopharma, Inc. VANCOUVER, BC, Oct. 7, 2025 /PRNewswire/ -- Equity Insider News Commentary – Major pharmaceutical companies presenting at the European Society for Medical Oncology Congress October 17-21[1] are unveiling pivotal survival data[2] and late-breaking lung cancer[3] results that demonstrate how diverse mechanisms are succeeding where traditional approaches stalled, while regulatory agencies issued multiple September approvals spanning gene therapies, bispecifics, and novel delivery systems[4]. The momentum reflects a fundamental shift as researchers discovered how cancer hijacks immune pathways to evade attack, spurring develop

    10/7/25 8:00:00 AM ET
    $ENGN
    $GTBP
    $IMAB
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Biotechnology: Pharmaceutical Preparations

    GT Biopharma to Participate in the Centurion One Capital 3rd Annual Bahamas Summit

    SAN FRANCISCO, CALIFORNIA, Oct. 06, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary natural killer (NK) cell engager TriKE® platform, today announced that Michael Breen, Executive Chairman and Chief Executive Officer of GT Biopharma, will be participating in the Centurion One Capital 3rd Annual Bahamas Summit at the Rosewood Baha Mar Hotel from Tuesday, October 28th to Wednesday, October 29th, 2025, in Nassau, Bahamas. The Company will be available for one-on-one meetings at the conference. If interested, please contact your Centurion One Cap

    10/6/25 9:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma to Participate in the H.C. Wainwright 27th Annual Global Investment Conference

    The Company is available for one-on-one meetings at the H.C. Wainwright Conference September 8-10, 2025 in New York City Phase 1 trial evaluating GTBP-3650 for the treatment of relapsed or refractory (r/r) CD33 expressing hematologic malignancies continues to enroll as expected, and the Company remains on track to release initial results from multiple dose cohorts later in 2025 Company remains on track for GTB-5550 TriKE® IND submission for treatment of B7H3 positive solid tumors in Q4 2025 SAN FRANCISCO, CALIFORNIA, Sept. 04, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics

    9/4/25 7:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    GT Biopharma Reports Second Quarter 2025 Financial Results

    GTB-3650 TriKE® Phase 1 trial has successfully completed Cohort 1 and Cohort 2 dosing, treating a total of four patients; following Cohort 2's formal safety review, it has advanced into Cohort 3 and initiated dosing of the fifth patient in the study; initial Phase 1 data expected later in 2025GTB-5550 TriKE® IND submission for treatment of B7H3 positive solid tumors expected in Q4 2025; recent peer-reviewed publication highlights the pre-clinical anti-tumor activity of GTB-5550 against head and neck cancer Cash of approximately $5.3 million as of June 30, 2025, anticipated to be sufficient to fund operations into Q1 2026 SAN FRANCISCO, CALIFORNIA, Aug. 14, 2025 (GLOBE NEWSWIRE) -- GT Biop

    8/14/25 4:05:00 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma Advances into Cohort 3 of GTB-3650 Phase 1 Trial Following Safety Review of Cohort 2

    The first patient in Cohort 3, the fifth patient in the trial, has completed the first week of cycle 1 following the successful safety review of Cohort 2 with no safety or tolerability issues observedThe company plans on releasing initial Phase 1 results later in 2025 following completion of additional dose cohorts SAN FRANCISCO, CALIFORNIA, Aug. 11, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary TriKE® natural killer (NK) cell engager platform, today announced initiation of dosing in Cohort 3 of its Phase 1 dose escalation trial evaluating

    8/11/25 7:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma Advances into Cohort 3 of GTB-3650 Phase 1 Trial Following Safety Review of Cohort 2

    The first patient in Cohort 3, the fifth patient in the trial, has completed the first week of cycle 1 following the successful safety review of Cohort 2 with no safety or tolerability issues observedThe company plans on releasing initial Phase 1 results later in 2025 following completion of additional dose cohorts SAN FRANCISCO, CALIFORNIA, Aug. 11, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary TriKE® natural killer (NK) cell engager platform, today announced initiation of dosing in Cohort 3 of its Phase 1 dose escalation trial evaluating

    8/11/25 7:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma Appoints New Member to its Board of Directors

    SAN FRANCISCO, CALIFORNIA, June 13, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary TriKE® natural killer (NK) cell engager platform, today announced the appointment of David C. Mun-Gavin to its Board of Directors. "We are very pleased to welcome David to the Board of Directors. David is an experienced senior executive with global connections and a proven track record of success in working with corporate management teams," said Michael Breen, Executive Chairman and Chief Executive Officer of GT Biopharma. "His guidance and perspective will be

    6/13/25 9:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma Advances GTB-3650 Phase 1 Trial to Cohort 2 Following Successful Initial Human Dosing and Evidence of Early Immune Activation Signals

    Following the formal safety review of Cohort 1, no safety or tolerability issues were observed, allowing the company to move forward with Cohort 2. The company plans on releasing more detailed results from Phase 1 later in 2025 following completion of additional dose cohorts. SAN FRANCISCO, CALIFORNIA, May 19, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary TriKE® natural killer (NK) cell engager platform, today announced successful completion of dosing in Cohort 1 and subsequent initiation of dosing in Cohort 2 of its Phase 1 dose escalatio

    5/19/25 9:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    GT Biopharma Inc. Financials

    Live finance-specific insights

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    Peter Derycz and Bristol Investment Fund Ltd. Issue Open Letter to Research Solutions, Inc. Shareholders

    Believe Urgent Change is Needed at Research Solutions to Address Underperformance, Poor Operational Execution, and Lack of Accountability Highlight that Since Roy Olivier Became Chief Executive Officer, Research Solutions' Share Price Has Declined More than 20% THOUSAND OAKS, Calif., Aug. 04, 2023 (GLOBE NEWSWIRE) -- Peter Derycz, Bristol Investment Fund Ltd. ("Bristol Fund") and certain of Bristol Fund's affiliates (collectively, the "Group"), who collectively beneficially own approximately 20% of Research Solutions, Inc.'s (NASDAQ:RSSS) outstanding shares, today issued an open letter from Mr. Derycz to RSSS shareholders regarding why change is needed at RSSS and the Group's intention t

    8/4/23 9:30:41 AM ET
    $GTBP
    $RSSS
    Biotechnology: Pharmaceutical Preparations
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    EDP Services
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    GT BioPharma to Host a Management Update Conference Call

    BEVERLY HILLS, Calif., Nov. 24, 2021 /PRNewswire/ -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary natural killer (NK) cell engager, TriKE® platform, today announced that Michael Breen, Executive Chairman and Dr. Greg Berk, President of R&D, Chief Medical Officer and Interim Chief Executive Officer will be hosting a Management Update Conference call on Tuesday, November 30th at 4:30PM Eastern Time. To join the live webcast of the call and view the accom

    11/24/21 4:05:00 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma Provides Second Quarter 2021 Business Update

    BEVERLY HILLS, Calif., Aug. 13, 2021 /PRNewswire/ -- GT Biopharma, Inc. ("GT Biopharma" or the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary natural killer (NK) cell engager (TriKE®) protein biologic technology platform, today provided a general business update of events in the second quarter ending June 30, 2021. "I am pleased with the corporate and clinical development milestones that GT Biopharma continues to achieve throughout the first half of 2021," said Anthony J. Catal

    8/13/21 7:30:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma to Host Conference Call to Discuss Second Quarter 2021 Results

    BEVERLY HILLS, Calif., Aug. 6, 2021 /PRNewswire/ -- GT Biopharma, Inc. ("GT Biopharma" or the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary natural killer (NK) cell engager (TriKE™) protein biologic technology platform, today announced that the management team will host a conference call to discuss second quarter 2021 financial results and general business updates on August 13, 2021 at 8:30 a.m. EST. To join the call: U.S. callers should dial 1-877-870-4263 and international

    8/6/21 8:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    GT Biopharma Inc. Leadership Updates

    Live Leadership Updates

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    GT Biopharma Appoints New Member to its Board of Directors

    SAN FRANCISCO, CALIFORNIA, June 13, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary TriKE® natural killer (NK) cell engager platform, today announced the appointment of David C. Mun-Gavin to its Board of Directors. "We are very pleased to welcome David to the Board of Directors. David is an experienced senior executive with global connections and a proven track record of success in working with corporate management teams," said Michael Breen, Executive Chairman and Chief Executive Officer of GT Biopharma. "His guidance and perspective will be

    6/13/25 9:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
    Health Care

    GT Biopharma Appoints New Member to its Board of Directors

    SAN FRANCISCO, CALIFORNIA, May 14, 2025 (GLOBE NEWSWIRE) -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary TriKE® natural killer (NK) cell engager platform, today announced the appointment of Hilary Kramer to its Board of Directors. Mrs. Kramer will be replacing current board member Bruce Wendel, who is resigning his position. "We are delighted to welcome Hilary to the Board of Directors at this exciting time, and we look forward to leveraging her expertise as we continue to make great clinical progress with our NK engagers," said Michael Breen, Executive Chairman a

    5/14/25 7:00:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    GT Biopharma Appoints Manu Ohri as Chief Financial Officer

    BRISBANE, Calif., Feb. 18, 2022 /PRNewswire/ -- GT Biopharma, Inc. (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary natural killer (NK) cell engager, TriKE® protein biologic technology platform, today announced the appointment of Manu Ohri, who joins the Company as its Chief Financial Officer (CFO) effective immediately. Mr. Ohri, an accomplished accounting and finance executive brings to GT Biopharma over 25 years of management, finance and public accounting experience in working with Boar

    2/18/22 7:30:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    GT Biopharma Announces Executive Leadership Transition to Implement Next Phase of Strategic Journey

    BEVERLY HILLS, Calif., Nov. 8, 2021 /PRNewswire/ -- GT Biopharma, Inc. (the "Company") (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary Tri-specific natural killer (NK) cell engager, TriKE® platform, today announced a restructuring of its executive management team. Mr. Anthony Cataldo, Chairman and Chief Executive Officer and Mr. Michael Handelman, Chief Financial Officer will both pursue other interests. The Board has appointed Dr. Gregory Berk as interim CEO, and Dr. Gavin Choy as acting CFO. Michael Breen has assumed the role of Executive Chairman of the Board, Chair of the Audit Committee and will ove

    11/8/21 7:30:00 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    GT Biopharma Announces the Appointments of Gregory Berk, M.D. to Chief Medical Officer and Jeffrey S. Miller, M.D. to Consulting Chief Scientific Officer

    BEVERLY HILLS, Calif., April 26, 2021 /PRNewswire/ -- GT Biopharma, Inc. (NASDAQ:GTBP), a clinical stage immuno-oncology company focused on developing innovative therapeutics based on the Company's proprietary natural killer (NK) cell engager, TriKE™ protein biologic technology platform, today announced the appointment of Gregory Berk, M.D., to the position of Chief Medical Officer. Dr. Berk has served as a Director on GT Biopharma's Board since November 2020, and resigns that post in conjunction with his appointment. The Company is also pleased to announce that Jeffrey S. Mi

    4/26/21 7:00:00 AM ET
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    GT Biopharma Inc. Large Ownership Changes

    This live feed shows all institutional transactions in real time.

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    SEC Form SC 13G/A filed by GT Biopharma Inc. (Amendment)

    SC 13G/A - GT Biopharma, Inc. (0000109657) (Subject)

    5/23/24 8:31:08 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form SC 13G/A filed by GT Biopharma Inc. (Amendment)

    SC 13G/A - GT Biopharma, Inc. (0000109657) (Subject)

    2/14/24 2:46:25 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form SC 13G filed by GT Biopharma Inc.

    SC 13G - GT Biopharma, Inc. (0000109657) (Subject)

    9/19/23 11:56:06 AM ET
    $GTBP
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    SEC Form SC 13G filed by GT Biopharma Inc.

    SC 13G - GT Biopharma, Inc. (0000109657) (Subject)

    2/14/23 12:51:30 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form SC 13G/A filed by GT Biopharma Inc. (Amendment)

    SC 13G/A - GT Biopharma, Inc. (0000109657) (Subject)

    3/2/22 9:28:02 PM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form SC 13G/A filed by GT Biopharma Inc. (Amendment)

    SC 13G/A - GT Biopharma, Inc. (0000109657) (Subject)

    1/28/22 5:00:45 PM ET
    $GTBP
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    SEC Form SC 13G/A filed by GT Biopharma Inc. (Amendment)

    SC 13G/A - GT Biopharma, Inc. (0000109657) (Subject)

    1/18/22 11:30:02 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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    SEC Form SC 13G/A filed by GT Biopharma Inc. (Amendment)

    SC 13G/A - GT Biopharma, Inc. (0000109657) (Subject)

    4/16/21 7:59:54 AM ET
    $GTBP
    Biotechnology: Pharmaceutical Preparations
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