David C. Mun-Gavin - 04 Sep 2025 Form 4 Insider Report for GT Biopharma, Inc. (GTBP)

Role
Director
Signature
/s/ David C. Mun-Gavin
Issuer symbol
GTBP
Transactions as of
04 Sep 2025
Net transactions value
$0
Form type
4
Filing time
08 Sep 2025, 17:45:44 UTC
Previous filing
30 Jul 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mun-Gavin David C. Director C/O GT BIOPHARMA, INC., 505 MONTGOMERY STREET, 10TH FLOOR, SAN FRANCISCO /s/ David C. Mun-Gavin 08 Sep 2025 0002078965

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GTBP Option to purchase Common Stock Award $0 +31,250 $0.000000 31,250 04 Sep 2025 Common Stock 31,250 $1.33 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The options are fully vested and exercisable.