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GT Biopharma, Inc.

GTBP NASDAQ CIK: 0000109657 Pharmaceutical Preparations Inc. in DE
View on SEC.gov →
Overview All Filings Annual Quarterly Insiders

Recent Filings

All 857 filings →
Form Description Date
10-Q/A 10-Q/A Mar 6, 2026
10-Q/A 10-Q/A Mar 6, 2026
10-K 10-K Mar 2, 2026
8-K 8-K Mar 2, 2026
EFFECT Jan 30, 2026
424B3 424B3 Jan 30, 2026
S-1 S-1 Jan 21, 2026
424B3 424B3 Jan 8, 2026
EFFECT Dec 2, 2025
424B3 424B3 Dec 2, 2025

Insider Transactions

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Insider Title Type Shares Owns After Date
Breen Michael Martin Executive Chairman/Interim CEO Award / Grant 200,000 @ $0.29 856,218 Aug 11, 2023
Ohri Manu CFO & Secretary Award / Grant 200,000 @ $0.29 200,000 Aug 11, 2023
Breen Michael Martin Executive Chairman/Interim CEO Purchase 50,000 @ $0.50 656,218 Apr 11, 2023
Ohri Manu CFO & Secretary Purchase 50,000 @ $0.50 50,000 Apr 6, 2023
Breen Michael Martin Exec. Chair. and Interim CEO Award / Grant 278,058 606,218 Jul 15, 2022
Berk Gregory Award / Grant 278,058 278,058 Feb 16, 2021
Wendel Bruce Purchase 1,374 @ $8.87 4,642 Feb 16, 2021
Weldon Steven W Sale 47,978 @ $0.40 3,720,000 Dec 21, 2020
Weldon Steven W Sale 50,000 @ $0.30 3,903,700 Dec 16, 2020
Weldon Steven W Sale 50,000 @ $0.28 4,350,000 Dec 15, 2020