Reporting Manager
L1 Capital Global Opportunities Master Fund, Ltd.
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

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Quoteable Key Fact

"L1 Capital Global Opportunities Master Fund, Ltd. disclosed 10% ownership in C3is Inc. Common Stock, $0.01 par value (CISS) on 11 Dec 2025."

Quick Takeaways

  • L1 Capital Global Opportunities Master Fund, Ltd. filed SCHEDULE 13G for C3is Inc. Common Stock, $0.01 par value (CISS).
  • Disclosed ownership: 10%.
  • Date of event: 11 Dec 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 17 Dec 2025, 16:26.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Official SEC Source

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

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