L1 Capital Global Opportunities Master Fund, Ltd. - 11 Dec 2025 SCHEDULE 13G Report for C3is Inc. Common Stock, $0.01 par value (CISS)

Filing Manager: L1 Capital Global Opportunities Master Fund, Ltd.
Reporting Manager: L1 Capital Global Opportunities Master Fund, Ltd.
Security: C3is Inc. Common Stock, $0.01 par value
Symbol: CISS
Shares outstanding: 4,436,567 shares
Disclosed Ownership: 443,213 shares
Ownership: 10%
Form type: SCHEDULE 13G
Filing time: 17 Dec 2025, 16:26:43 UTC
Date of event: 11 Dec 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
L1 Capital Global Opportunities Master Fund, Ltd.	10%	443,213	443,213	0	/s/ David Feldman	David Feldman, Director