Checkmate Pharmaceuticals (CMPI) Form 4 Checkmate Pharmaceuticals / MICHAEL POWELL ownership change

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

POWELL MICHAEL

(Last) (First) (Middle)

C/O SOFINNOVA INVESTMENTS, INC.

3000 SAND HILL ROAD, BLDG. 4, SUITE 250

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Checkmate Pharmaceuticals, Inc. [ CMPI ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2020

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/11/2020		C		3,473,374	A	(1)(2)	3,473,374	I(3)	See footnote(3)
Common Stock	08/11/2020		P		133,333	A	$15	3,606,707	I(3)	See footnote(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series A Preferred Stock	(1)	08/11/2020		C			12,500,000	(1)	(1)	Common Stock	1,671,771	$0.00	0	I(3)	See footnote(3)
Series B Preferred Stock	(2)	08/11/2020		C			8,753,350	(2)	(2)	Common Stock	1,314,165	$0.00	0	I(3)	See footnote(3)
Series C Preferred Stock	(1)	08/11/2020		C			3,644,624	(1)	(1)	Common Stock	487,438	$0.00	0	I(3)	See footnote(3)

1. Name and Address of Reporting Person^*

POWELL MICHAEL

(Last) (First) (Middle)

C/O SOFINNOVA INVESTMENTS, INC.

3000 SAND HILL ROAD, BLDG. 4, SUITE 250

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Sofinnova Venture Partners IX, L.P.

(Last) (First) (Middle)

C/O SOFINNOVA INVESTMENTS, INC.

3000 SAND HILL ROAD, BLDG. 4, SUITE 250

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

Sofinnova Management IX, L.L.C.

(Last) (First) (Middle)

C/O SOFINNOVA INVESTMENTS, INC.

3000 SAND HILL ROAD, BLDG. 4, SUITE 250

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

1. Name and Address of Reporting Person^*

HEALY JAMES

(Last) (First) (Middle)

C/O SOFINNOVA INVESTMENTS, INC.

3000 SAND HILL ROAD, BLDG. 4, SUITE 250

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

Explanation of Responses:

1. The Series A Preferred Stock and Series C Preferred Stock automatically converted into Common Stock at a rate of 1:7.4771 upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock and Series C Preferred Stock were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

2. The Series B Preferred Stock automatically converted into Common Stock at a rate of 1.12256:7.4771 upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

3. The securities are held directly by Sofinnova Venture Partners IX, L.P. (the "Fund"). The general partner of the Fund is Sofinnova Management IX, L.L.C. (the "GP") and may be deemed to have sole voting, investment and dispositive power with respect to the securities held by the Fund. Dr. James I. Healy and Michael F. Powell, Ph.D. are the managing members of the GP and may be deemed to have shared voting, investment and dispositive power with respect to the securities held by the Fund. Each reporting person disclaims beneficial ownership of such securities, except to the extent of his or its proportionate pecuniary interest therein, if any.

Remarks:

	/s/ Nathalie Auber, attorney-in-fact for Sofinnova Venture Partners IX, L.P.	08/12/2020
	/s/ Nathalie Auber, attorney-in-fact for Sofinnova Management IX, L.L.C.	08/12/2020
	/s/ Nathalie Auber, attorney-in-fact for James I. Healy	08/12/2020
	/s/ Nathalie Auber, attorney-in-fact for Michael F. Powell	08/12/2020
	** Signature of Reporting Person	Date
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