Disc Medicine, Inc. — Director's Dealing 2021

Feb 11, 2021

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Gemini Therapeutics, Inc. /DE (GMTX)
CIK: 0001816736
Period of Report: 2021-02-05

Reporting Person: Atlas Venture Fund X, L.P. (10% Owner)
Reporting Person: ATLAS VENTURE ASSOCIATES X, L.P. (10% Owner)
Reporting Person: Atlas Venture Associates X, LLC (10% Owner)
Reporting Person: Atlas Venture Opportunity Fund I, L.P. (10% Owner)
Reporting Person: Atlas Venture Associates Opportunity I, L.P. (10% Owner)
Reporting Person: Atlas Venture Associates Opportunity I, LLC (10% Owner)
Reporting Person: Atlas Venture Fund XII, L.P. (10% Owner)
Reporting Person: Atlas Venture Associates XII, L.P. (10% Owner)
Reporting Person: Atlas Venture Associates XII, LLC (10% Owner)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	4744365	Direct
Common Stock	510000	Direct

Footnotes

F1: 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.

F2: 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.