Hsiangyi Chiang - Jan 4, 2023 Form 4 Insider Report for Imago BioSciences, Inc. (IMGO)

Role: Senior Vice President Finance
Signature: /s/ Hugh Rienhoff, as Attorney-in-fact for Hsiangyi Chiang
Stock symbol: IMGO
Transactions as of: Jan 4, 2023
Transactions value $: $83,752
Form type: 4
Date filed: 1/5/2023, 03:31 PM
Previous filing: Nov 14, 2022
Next filing: Jan 11, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IMGO	Common Stock	Options Exercise	$83.8K	+19.9K	+302.27%	$4.20^*	26.5K	Jan 4, 2023	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	IMGO	Stock Option (Right to Buy)	Options Exercise	$0	-19.9K	-18.79%	$0.00	86.2K	Jan 4, 2023	Common Stock	19.9K	$4.20	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Reflects the adjusted total which includes the purchase of 1,597 shares under the Imago Employee Stock Purchase Plan on November 30, 2022.
F2	The option vests with respect to 25% of the shares subject thereto on February 5, 2021 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, so that 100% of the shares subject to the option will be fully vested and exercisable as of the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.

Content

Reflects the adjusted total which includes the purchase of 1,597 shares under the Imago Employee Stock Purchase Plan on November 30, 2022.

The option vests with respect to 25% of the shares subject thereto on February 5, 2021 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, so that 100% of the shares subject to the option will be fully vested and exercisable as of the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date.