Gossamer Bio, Inc. — Director's Dealing 2019

Sep 27, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Gossamer Bio, Inc. (GOSS)
CIK: 0001728117
Period of Report: 2019-09-27

Reporting Person: Christian Waage (EVP & General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-09-27	Common Stock	P	1000	$16.6542	Acquired	4454	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	501498	Direct
Common Stock	22222	Indirect

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $16.63 to $16.69 per share. The price reported above reflects the weighted average sale price for the entire number of shares purchased. Information on the exact number of shares purchased at each sale price can be obtained from the Issuer upon request.

F2: Includes 282,848 shares subject to forfeiture, which shares will vest in equal monthly installments as set forth in the restricted stock agreement between the Issuer and Reporting Person so that all of the shares will be released from the forfeiture restriction on November 18, 2021, subject to the Reporting Person's continuous service to the Issuer on each such vesting date.