LEIV LEA - 04 Dec 2025 Form 4 Insider Report for Corvus Pharmaceuticals, Inc. (CRVS)

Role: Chief Financial Officer
Signature: /s/ Leiv Lea
Issuer symbol: CRVS
Transactions as of: 04 Dec 2025
Transactions value $: $0
Form type: 4
Filing time: 08 Dec 2025, 16:21:35 UTC
Previous filing: 23 Dec 2024
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
LEA LEIV	Chief Financial Officer	C/O CORVUS PHARMACEUTICALS, INC., 901 GATEWAY BOULEVARD, THIRD FLOOR, SOUTH SAN FRANCISCO	/s/ Leiv Lea	08 Dec 2025	0000939012

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	CRVS	Stock Option (Right to Buy)	Award	$0	+400K		$0.00	400K	04 Dec 2025	Common Stock	400K	$8.81	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The underlying shares subject to the option vest and become exercisable as to 1/36th of the shares subject to the option in successive, equal monthly installments measured from December 4, 2025, subject to Reporting Person's continued service relationship with the Issuer on each such vesting date.