CASAMENTO CHARLES J bought GTBP

September 4, 2025 · Form 4 insider transaction

CASAMENTO CHARLES J bought 62,500 shares of GTBP 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)

62,500

Price

$0.00

Total value

N/A

InsiderCASAMENTO CHARLES J

Role—

CompanyGTBP

SecurityOption to purchase Common Stock

Transaction codeA — Grant or award

Transaction dateSeptember 4, 2025

Filing dateSeptember 8, 2025

Shares owned after62,500

OwnershipDirect

10b5-1 planNo

AmendedNo

Footnotes

The options are fully vested and exercisable.

View the original Form 4 on SEC EDGAR