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, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ___________ to ___________ ESGEN Acquisition Corporation (Exact name of registrant as specified in its charter) | --- | --- | --- | |--------------------------------- ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q Quarterly Report Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2021 ESGEN Acquisition Corporation (Exact name of registrant as specified in its charter) | --- | --- | --- | |---------------------------------|--------------------------|------------------------| | Cayman Islands | 001-40927 | 98-1601409 | | (State or other jurisdictio ...