Cox Russell J. bought GOSS
September 23, 2026 · Form 4 insider transaction
Cox Russell J. bought 10,000 shares of Gossamer Bio, 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 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
10,000
Price
$0.00
Total value
N/A
InsiderCox Russell J.
Role—
CompanyGossamer Bio, Inc. (GOSS)
SecurityStock Option (Right to Buy)
Transaction codeA: Grant or award
Transaction dateSeptember 23, 2026
Filing dateSeptember 25, 2026
Shares owned after10,000
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The entire number of shares subject to this option becomes fully vested and exercisable on the first anniversary of the grant date, subject to the Reporting Person's continued service on the board of directors of the Issuer through such vesting date.