Home > Insider Trading > Filing (0001728117-23-000018)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1728117	Gossamer Bio Inc.	GOSS	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1352620	Faheem Hasnain	3013 Science Park Road San Diego CA 92121	President & Ceo	Yes	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2023-03-20	168,683	$1.03	3,786,008	No	4	P	Indirect	By family trust
Common Stock	Acquisiton	2023-03-21	269,389	$1.20	4,055,397	No	4	P	Indirect	By family trust
Common Stock	Acquisiton	2023-03-22	440,500	$1.14	4,495,897	No	4	P	Indirect	By family trust

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	By family trust
No	4	P	Indirect	By family trust
No	4	P	Indirect	By family trust

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to Buy)	Acquisiton	2023-03-20	544,500	$0.00	544,500	$1.21

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
544,500		2033-03-19	No	4	A	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	143,465	Direct

Footnotes

This transaction was executed in multiple trades at prices ranging from $0.97 to 1.09 per share. The price reported above reflects the weighted average sale price for the entire number of shares sold. Information on the exact number of shares sold at each sale price can be obtained from the Issuer upon request.
This transaction was executed in multiple trades at prices ranging from $1.155 to $1.21 per share. The price reported above reflects the weighted average sale price for the entire number of shares sold. Information on the exact number of shares sold at each sale price can be obtained from the Issuer upon request.
This transaction was executed in multiple trades at prices ranging from $1.06 to $1.20 per share. The price reported above reflects the weighted average sale price for the entire number of shares sold. Information on the exact number of shares sold at each sale price can be obtained from the Issuer upon request.
25% of the total number of shares subject to the option will vest on March 20, 2024 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.