CARL DECICCO - 09 Dec 2021 Form 4 Insider Report for Foghorn Therapeutics Inc. (FHTX)

Role: Chief Scientific Officer
Signature: /s /Allan Reine, M.D., Attorney-in-Fact
Issuer symbol: FHTX
Transactions as of: 09 Dec 2021
Net transactions value: +$388,033
Form type: 4
Filing time: 13 Dec 2021, 19:37:39 UTC
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FHTX	Common Stock	Options Exercise	$388,033	+104,310	+40%	$3.72	362,707	09 Dec 2021	Direct

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	FHTX	Stock Options (Right to buy)	Options Exercise	$0	-76,892	-29%	$0.000000	186,571	09 Dec 2021	Common Stock	76,892	$3.72	Direct	F1
transaction	FHTX	Stock Options (Right to buy)	Options Exercise	$0	-27,418	-44%	$0.000000	34,273	09 Dec 2021	Common Stock	27,418	$3.72	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The option vested as to 25% of the underlying shares of common stock on December 10, 2019, the first anniversary of the of the vesting commencement date, and at a rate of 6.25% of the underlying shares thereafter on the first day of each calendar quarter following such first anniversary until the option is fully vested.
F2	The option vested as to 25% of the underlying shares of common stock on January 30, 2020, the first anniversary of the of the vesting commencement date, and at a rate of 6.25% of the underlying shares thereafter on the first day of each calendar quarter following such first anniversary until the option is fully vested.