Yvonne McGrath - Jun 8, 2021 Form 4 Insider Report for iTeos Therapeutics, Inc. (ITOS)

Role: VP, Research and Development
Signature: /s/ Michel Detheux, as Attorney-in-Fact
Stock symbol: ITOS
Transactions as of: Jun 8, 2021
Transactions value $: -$125,009
Form type: 4
Date filed: 6/10/2021, 05:35 PM
Previous filing: Jun 3, 2021
Next filing: Mar 2, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ITOS	Common Stock	Options Exercise	$33.5K	+7.93K		$4.23	7.93K	Jun 8, 2021	Direct
transaction	ITOS	Common Stock	Sale	-$159K	-7.93K	-100%	$20.00	0	Jun 8, 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	-7.93K	-7.69%	$0.00	95.1K	Jun 8, 2021	Common Stock	1.4K	$4.23	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 15, 2021.
F2	One-fourth of the shares subject to the stock option vest on the one-year anniversary of the vesting commencement date, subject to the reporting persons continuous service relationship with the Issuer through such date. Thereafter, 1/48 of the shares subject to the stock option vest on a monthly basis following the one-year anniversary of the vesting commencement date, subject to the reporting persons continuous service relationship with the Issuer through each applicable vesting date.

Content

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 15, 2021.

One-fourth of the shares subject to the stock option vest on the one-year anniversary of the vesting commencement date, subject to the reporting persons continuous service relationship with the Issuer through such date. Thereafter, 1/48 of the shares subject to the stock option vest on a monthly basis following the one-year anniversary of the vesting commencement date, subject to the reporting persons continuous service relationship with the Issuer through each applicable vesting date.