Alan Urban - Sep 4, 2025 Form 4 Insider Report for GT Biopharma, Inc. (GTBP)

Signature
/s/ Alan Urban
Stock symbol
GTBP
Transactions as of
Sep 4, 2025
Transactions value $
$0
Form type
4
Date filed
9/8/2025, 05:45 PM
Previous filing
Oct 21, 2024

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
URBAN ALAN LOUIS Chief Financial Officer C/O GT BIOPHARMA, INC., 505 MONTGOMERY STREET, 10TH FLOOR, SAN FRANCISCO /s/ Alan Urban 2025-09-08 0001534376

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 +50K $0.00 50K Sep 4, 2025 Common Stock 50K $1.33 Direct F1
transaction GTBP Option to purchase Common Stock Award $0 +50K $0.00 50K Sep 4, 2025 Common Stock 50K $1.33 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The option vests in four equal quarterly installments beginning on January 1, 2025.
F2 The option vests in four equal quarterly installments beginning on January 1, 2026.