FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person *

Atlas Venture Fund X, L.P.

2. Date of Event Requiring Statement (Month/Day/Year)

02/05/2021

3. Issuer Name and Ticker or Trading Symbol

Gemini Therapeutics, Inc. /DE [GMTX]
(Last)
(First)
(Middle)


300 TECHNOLOGY SQ, 8TH FLOOR

4. Relationship of Reporting Person(s) to Issuer

(Check all applicable)

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

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

(Street)

CAMBRIDGE, MA 02139
(City)
(State)
(Zip)

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 Beneficially Owned

1.Title of Security (Instr. 4)

2. Amount of Securities Beneficially Owned (Instr. 4)

3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)

4. Nature of Indirect Beneficial Ownership (Instr. 5)

Common Stock

4,744,365
D (1)
 

Common Stock

510,000
D (2)
 


Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)

2. Date Exercisable and Expiration Date (Month/Day/Year)

3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)

4. Conversion or Exercise Price of Derivative Security

5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)

6. Nature of Indirect Beneficial Ownership (Instr. 5)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares





Reporting Owners
Reporting Owner Name / AddressRelationships
Director10% OwnerOfficerOther

Atlas Venture Fund X, L.P.
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE, MA 02139

  X  

ATLAS VENTURE ASSOCIATES X, L.P.
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Atlas Venture Associates X, LLC
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Atlas Venture Opportunity Fund I, L.P.
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Atlas Venture Associates Opportunity I, L.P.
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Atlas Venture Associates Opportunity I, LLC
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Atlas Venture Fund XII, L.P.
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Atlas Venture Associates XII, L.P.
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Atlas Venture Associates XII, LLC
300 TECHNOLOGY SQ, 8TH FLOOR
CAMBRIDGE,, MA 02139

  X  

Explanation of Responses:

Represents 4,744,365 shares issued as Merger Consideration pursuant to the Merger Agreement. Atlas Venture Associates X, L.P. ("Atlas X LP") is the general partner of Atlas Fund X, and Atlas Venture Associates X, LLC ("Atlas X LLC") is the general partner of Atlas X LP. Each of Atlas Fund X, Atlas X LP. and Atlas X LLC may be deemed to beneficially own the shares held by Atlas Fund X. Each of Atlas X LP and Atlas X LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund X. Atlas Venture Associates Opportunity I, L.P. ("Atlas I LP") is the general partner of Atlas Fund I, and Atlas Venture Associates Opportunity I, LLC ("AVAO, LLC") is the general partner of Atlas I LP. Each of Atlas Fund I, Atlas I LP and AVAO LLC may be deemed to beneficially own the shares held by Atlas Fund I. Each of Atlas I LP and AVAO LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund I.

Represents 510,000 shares issued in the private placement of public securities ("PIPE") on February 5, 2021 to Atlas Venture Fund XII, L.P. ("Atlas Fund XII"). The general partner of Atlas Fund XII is Atlas Venture Associates XII, L.P. ("AVA XII LP"). Atlas Venture Associates XII, LLC ("AVA XII LLC") is the general partner of AVA XII LP. Each of Atlas Fund XII, AVA XII LP, and AVA XII LLC may be deemed to beneficially own the shares held by Atlas Fund XII. Each of AVA XII LP and AVA XII LLC disclaim Section 16 beneficial ownership of the securities owned by Atlas Fund XII, except to the extent of its pecuniary interest therein, if any.



Signatures

Atlas Venture Fund X, L.P. By: Atlas Venture Associates X, L.P., Its: General Partner By: Atlas Venture Associates X, LLC, Its: General Partner By: /s/ Ommer Chohan Ommer Chohan, Chief Financial Officer

02/09/2021

Atlas Venture Opportunity Fund I, L.P., By: Atlas Venture Associates Opportunity I, L.P., its general partner By: Atlas Venture Associates Opportunity I, LLC, its general partner By: /s/ Ommer Chohan By: Ommer Chohan, Chief Financial Officer

02/09/2021

Atlas Venture Fund XII, L.P. By: Atlas Venture Associates XII, L.P., Its: General Partner By: Atlas Venture Associates XII, LLC, Its General Partner Venture Associates XII, LLC By: /s/ Ommer Chohan By: Ommer Chohan, Chief Financial Officer

02/09/2021
** Signature of Reporting PersonDate
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