GTBP insider transaction filings

GT Biopharma, Inc. — 6 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2025-09-08. Screen GTBP transaction legs live →

Insider transaction summary — last 90 days

No Form 4 filings for GTBP between 2026-06-24 and 2026-09-22. The table below lists the most recent filings on record.

Recent Form 4 filings — GT Biopharma, Inc.

FiledFormInsiderReported transactionsSource
2025-09-084URBAN ALAN LOUIS — Chief Financial OfficerGrant/award (A): 50,000 (derivative) @ $0 · Grant/award (A): 50,000 (derivative) @ $0EDGAR
2025-09-084Mun-Gavin David C. — DirectorGrant/award (A): 31,250 (derivative) @ $0EDGAR
2025-09-084Kramer Hilary — DirectorGrant/award (A): 31,250 (derivative) @ $0EDGAR
2025-09-084CASAMENTO CHARLES J — DirectorGrant/award (A): 62,500 (derivative) @ $0EDGAR
2025-09-084Breen Michael Martin — CEO and Director, DirectorGrant/award (A): 100,000 (derivative) @ $0 · Grant/award (A): 100,000 (derivative) @ $0 · Grant/award (A): 100,000 (derivative) @ $0EDGAR
2024-10-214URBAN ALAN LOUIS — Chief Financial OfficerGrant/award (A): 23,335 (derivative) @ $0EDGAR

Recent 8-K events — GT Biopharma, Inc.

FiledFormItems reportedSource
2026-09-218-K1.01 — Entry into a Material Definitive Agreement
3.02 — Unregistered Sales of Equity Securities
3.03 — Material Modification to Rights of Security Holders
5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
9.01 — Financial Statements and Exhibits
EDGAR
2026-09-158-K1.01 — Entry into a Material Definitive Agreement
3.02 — Unregistered Sales of Equity Securities
3.03 — Material Modification to Rights of Security Holders
5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
9.01 — Financial Statements and Exhibits
EDGAR
2026-09-038-K3.03 — Material Modification to Rights of Security Holders
5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-08-148-K5.07 — Submission of Matters to a Vote of Security Holders
9.01 — Financial Statements and Exhibits
EDGAR
2026-06-128-K5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-228-K3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-078-K1.01 — Entry into a Material Definitive Agreement
9.01 — Financial Statements and Exhibits
EDGAR
2026-03-028-K4.02 — Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-268-K3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing
9.01 — Financial Statements and Exhibits
EDGAR
2025-11-148-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
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