Breen Michael Martin bought GTBP
September 4, 2025 · Form 4 insider transaction
Breen Michael Martin bought 100,000 shares of GT Biopharma, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
100,000
Price
$0.00
Total value
N/A
InsiderBreen Michael Martin
Role—
CompanyGT Biopharma, Inc. (GTBP)
SecurityOption to purchase Common Stock
Transaction codeA: Grant or award
Transaction dateSeptember 4, 2025
Filing dateSeptember 8, 2025
Shares owned after100,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The options are fully vested and exercisable.