DANIEL THOMAS O

PrivateCIK: 1538894
Location

SUMMIT, NJ

InsiderDANIEL THOMAS OCIK 1538894
IssuerGOSSAMER BIO, INC.CIK 1728117
Director
Since Feb 2019
+115K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
115K acquired
Non-Derivative Transactions0
No non-derivative transactions reported
Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

115K shares

Shares

+115K

Strike price

0.178

Held after

115K

Exercisable

6/4/2026
DANIEL THOMAS O — Insider Transaction (Form 4) Filed Jun 5, 2026 | Finecho