Patrick J. Heron - 15 Jul 2021 Form 3 Insider Report for Imago BioSciences, Inc.

Role: Director
Signature: /s/ Patrick J. Heron
Issuer symbol: N/A
Transactions as of: 15 Jul 2021
Net transactions value: $0
Form type: 3
Filing time: 15 Jul 2021, 17:38:50 UTC
Previous filing: 11 Jun 2021
Next filing: 20 Jul 2021
SEC: View on sec.gov

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
holding	IMGO	Series A Preferred Stock							15 Jul 2021	Common Stock	1,199,890		See Footnote	F1, F2
holding	IMGO	Series B Preferred Stock							15 Jul 2021	Common Stock	740,673		See Footnote	F1, F2
holding	IMGO	Series C Preferred Stock							15 Jul 2021	Common Stock	225,850		See Footnote	F1, F2
holding	IMGO	Series A Preferred Stock							15 Jul 2021	Common Stock	341,932		See Footnote	F1, F3
holding	IMGO	Series B Preferred Stock							15 Jul 2021	Common Stock	211,069		See Footnote	F1, F3
holding	IMGO	Series C Preferred Stock							15 Jul 2021	Common Stock	64,360		See Footnote	F1, F3

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

Explanation of Responses:

Id	Content
F1	The shares of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock have no expiration date and are convertible into shares of Common Stock of the Issuer at the option of the holder. The shares of Series A Preferred Stock, Series B Preferred Stock and Series C Preferred Stock shall automatically convert into shares of Common Stock on a one to one basis immediately prior to the completion of the Issuer's initial public offering of Common Stock.
F2	These shares are held directly by Frazier Healthcare VII, L.P. ("FH VII"). The general partner of FH VII is FHM VII, L.P. and the general partner of FHM VII, L.P. is FHM VII, L.L.C., and each may be deemed to have sole voting, investment and dispositive power with respect to the shares held by FH VII. The Reporting Person is one of six members of FHM VII, L.L.C. The Reporting Person, FHM VII, L.P. and FHM VII, L.L.C. each disclaim Section 16 beneficial ownership of the securities held by FH VII, except to the extent of his or its pecuniary interest therein, if any.
F3	These shares are held directly by Frazier Healthcare VII-A, L.P. ("FH VIIA"). The general partner of FH VIIA is FHM VII, L.P. and the general partner of FHM VII, L.P. is FHM VII, L.L.C., and each may be deemed to have sole voting, investment and dispositive power with respect to the shares held by FH VIIA. The Reporting Person is one of six members of FHM VII, L.L.C. The Reporting Person, FHM VII, L.P. and FHM VII, L.L.C. each disclaim Section 16 beneficial ownership of the securities held by FH VIIA, except to the extent of his or its pecuniary interest therein, if any.