UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _____________________ to _____________________ Commission File Number: 001-39438 GEMINI THERAPEUTICS, INC. (Exact Name of Registrant as Specified in its Charter ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-39438 GEMINI THERAPEUTICS, INC. (Exact name of Registrant as specified in its Charter) | Delaware 85-1612845 | | | | --- | --- | --- ...

FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 (Exact name of registrant as specified in its charter) | Delaware | 85-1612845 | | --- | --- | | (State or other jurisdiction of | (I.R.S. Employer | | incorporation or organization) | Identification Number) | 600 Montgomery Street, Suite 4500 San Francisco, CA 94111 (Mark One) ☒ Quarterly Report PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSI ...