Amy E. Tapper - Jan 3, 2023 Form 4 Insider Report for Imago BioSciences, Inc. (IMGO)

Role: Officer
Signature: /s/ Hugh Rienhoff, as Attorney-in-Fact for Amy E. Tapper
Stock symbol: IMGO
Transactions as of: Jan 3, 2023
Transactions value $: $102,321
Form type: 4
Date filed: 1/5/2023, 03:28 PM
Previous filing: Dec 20, 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	$18.9K	+7.48K	+6.24%	$2.52^*	127K	Jan 3, 2023	Direct	F1
transaction	IMGO	Common Stock	Options Exercise	$52.1K	+12.4K	+9.74%	$4.20^*	140K	Jan 3, 2023	Direct
transaction	IMGO	Common Stock	Options Exercise	$31.4K	+1.38K	+0.99%	$22.76	141K	Jan 3, 2023	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	IMGO	Stock Option (Right to buy)	Options Exercise	$0	-7.48K	-90.89%	$0.00	750	Jan 3, 2023	Common Stock	7.48K	$2.52	Direct
transaction	IMGO	Stock Option (Right to Buy)	Options Exercise	$0	-12.4K	-52.08%	$0.00	11.4K	Jan 3, 2023	Common Stock	12.4K	$4.20	Direct	F2
transaction	IMGO	Stock Option (Right to Buy)	Options Exercise	$0	-1.38K	-1.51%	$0.00	90.1K	Jan 3, 2023	Common Stock	1.38K	$22.76	Direct	F3

* 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 786 shares under the Imago Employee Stock Purchase Plan on November 30, 2022.
F2	One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from November 12, 2020 (the "Vesting Commencement Date"), 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.
F3	25% of the shares subject to the option vest on the first anniversary measured from November 17, 2021 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.