Reid Leonard - Dec 30, 2021 Form 4 Insider Report for Werewolf Therapeutics, Inc. (HOWL)

Role: Chief Operating Officer
Signature: /s/ Reid Leonard
Stock symbol: HOWL
Transactions as of: Dec 30, 2021
Transactions value $: $21,999
Form type: 4
Date filed: 1/4/2022, 03:26 PM
Previous filing: Dec 17, 2021
Next filing: Jan 18, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HOWL	Common Stock	Options Exercise	$22K	+14.1K		$1.56	14.1K	Dec 30, 2021	Direct
holding	HOWL	Common Stock						122K	Dec 30, 2021	By The Leonard Revocable Living Trust

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	HOWL	Stock Option (Right to Buy)	Options Exercise	$0	-14.1K	-23.07%	$0.00	47K	Dec 30, 2021	Common Stock	14.1K	$1.56	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The option was granted on May 20, 2020 with a Vesting Commencement Date of June 1, 2020. The shares underlying the option vest over four years, with 25% of the shares vesting on the first anniversary of the Vesting Commencement Date and 2.0833% of the shares vesting each month thereafter through June 1, 2024.