Giraudo Bryan - Insider Non-Derivative Transactions at Gossamer Bio, Inc. (GOSS) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 1, 2025, Giraudo Bryan's relationship to Gossamer Bio, Inc. (GOSS) is Officer (COO/CFO), and currently has 273,987 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other GOSS insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Giraudo Bryan - Insider Non-Derivative Transactions of GOSS Common Stock

Giraudo Bryan - Insider Non-Derivative Transactions at GOSS

Items per page:

0 of 0

Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 2, 2025	Acquisition -- (Common Stock)	181250	0	273987
Jun 19, 2024	P -- (Common Stock)	100000	0.59	480010
Mar 28, 2024	Sell -- (Common Stock)	6430	1.16	92737
Nov 14, 2023	P -- (Common Stock)	200000	0.56	380010
Jul 25, 2023	Acquisition -- (Common Stock)	54020	1.82	180010
Apr 5, 2023	P -- (Common Stock)	55000	1.02	125990
Mar 21, 2023	P -- (Common Stock)	50000	0.97	70990