David Gaiero - 29 Feb 2024 Form 4 Insider Report for Cyteir Therapeutics, Inc. (CYT)

Role: Chief Financial Officer
Signature: /s/ David Gaiero
Issuer symbol: CYT
Transactions as of: 29 Feb 2024
Transactions value $: $17,473
Form type: 4
Date filed: 05 Mar 2024, 18:11
Previous filing: 14 Dec 2023
Next filing: 16 May 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership
transaction	CYT	Common Stock	Options Exercise	$5.44K	+3.24K	+3.52%	$1.68	95.3K	29 Feb 2024	Direct
transaction	CYT	Common Stock	Options Exercise	$8.02K	+4.75K	+4.98%	$1.69	100K	29 Feb 2024	Direct
transaction	CYT	Common Stock	Options Exercise	$4.01K	+2.37K	+2.37%	$1.69	102K	04 Mar 2024	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	CYT	Stock Option (Right to Buy)	Options Exercise	$0	-3.24K	-16.67%	$0.00	16.2K	29 Feb 2024	Common Stock	3.24K	$1.68	Direct	F1
transaction	CYT	Stock Option (Right to Buy)	Options Exercise	$0	-4.75K	-5.26%	$0.00	85.4K	29 Feb 2024	Common Stock	4.75K	$1.69	Direct	F2
transaction	CYT	Stock Option (Right to Buy)	Options Exercise	$0	-2.37K	-2.78%	$0.00	83.1K	04 Mar 2024	Common Stock	2.37K	$1.69	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 7, 2021, the first anniversary of the vesting commencement date, and vests as to 1/48th of the underlying shares thereafter on each subsequent monthly anniversary of the vesting commencement date until the option is fully vested, subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.
F2	The option vests as to 1/48th of the underlying shares on each monthly anniversary of the vesting commencement date until the option is fully vested, subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

Content

The option vested as to 25% of the underlying shares of common stock on December 7, 2021, the first anniversary of the vesting commencement date, and vests as to 1/48th of the underlying shares thereafter on each subsequent monthly anniversary of the vesting commencement date until the option is fully vested, subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.

The option vests as to 1/48th of the underlying shares on each monthly anniversary of the vesting commencement date until the option is fully vested, subject to the Reporting Person's continued employment with the Issuer through the applicable vesting date.