Joanne Jenkins Lager - 10 Dec 2021 Form 4 Insider Report for iTeos Therapeutics, Inc. (ITOS)

Role: Chief Medical Officer
Signature: /s/ Adi Osovsky, as Attorney-in-Fact
Issuer symbol: ITOS
Transactions as of: 10 Dec 2021
Net transactions value: -$105,700
Form type: 4
Filing time: 10 Dec 2021, 18:59:11 UTC
Previous filing: 19 Nov 2021
Next filing: 17 Dec 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ITOS	Common Stock	Options Exercise	$15,050	+3,500		$4.30	3,500	10 Dec 2021	Direct	F1
transaction	ITOS	Common Stock	Sale	$120,750	-3,500	-100%	$34.50	0	10 Dec 2021	Direct	F1

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	ITOS	Stock Option (right to buy)	Options Exercise	$0	-3,500	-1.7%	$0.000000	203,438	10 Dec 2021	Common Stock	3,500	$4.30	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 23, 2021.
F2	One-fourth of the shares subject to the stock option vested on April 1, 2020. Thereafter, 1/48 of the shares subject to the stock option vest on a monthly basis, subject to the reporting person's continuous service relationship with the Issuer through each applicable vesting date.