Bryan Giraudo - 04 Mar 2025 Form 4 Insider Report for Gossamer Bio, Inc. (GOSS)

Role
COO/CFO
Signature
/s/ Jeff Boerneke, Attorney-in-Fact
Issuer symbol
GOSS
Transactions as of
04 Mar 2025
Net transactions value
$0
Form type
4
Filing time
06 Mar 2025, 16:04:10 UTC
Previous filing
06 Jan 2025
Next filing
02 Oct 2025

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction GOSS Stock Option (Right to Buy) Award $0 +638,000 $0.000000 638,000 04 Mar 2025 Common Stock 638,000 $1.13 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 25% of the total number of shares subject to the option will vest on March 4, 2026 and 1/48th of the total number of shares subject to the option vest on the last day of each one-month period thereafter, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.