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CISS SCHEDULE 13G/A: SEC filing

Ayrton Capital LLC, Alto Opportunity Master Fund, and Waqas Khatri

Filed with the SEC on · accession 0001493152-26-051271

CISS filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 12, 2026. Ayrton Capital LLC, Alto Opportunity Master Fund, and Waqas Khatri filed an amended Schedule 13G reporting beneficial ownership of 1,169 shares of C3is Inc. common stock (0.08% of the class), all issuable upon exercise of warrants subject to a 9.99% ownership blocker. The stock moved -1.7% by the first close after the filing.

Summary of the filing

Ayrton Capital LLC, Alto Opportunity Master Fund, and Waqas Khatri filed an amended Schedule 13G reporting beneficial ownership of 1,169 shares of C3is Inc. common stock (0.08% of the class), all issuable upon exercise of warrants subject to a 9.99% ownership blocker. The filing is a passive investment disclosure with no intent to influence control of the issuer.

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Key details

Shares of common stock beneficially owned (issuable upon exercise of warrants)$1K
Percentage of class beneficially owned$0
Investment manager and reporting personAyrton Capital LLC
Reporting person and holder of the warrantsAlto Opportunity Master Fund, SPC - Segregated Master Portfolio B
Issuer of the common stock and warrantsC3is Inc.
Managing member of ayrton capital llc and director of alto opportunity master fundWaqas Khatri

How CISS stock reacted

Close before

$1.78

Nov 11, 2026

First close after

-1.69%

$1.75

5 trading days

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Since filing

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Frequently asked questions

What did CISS file with the SEC on Nov 12, 2026?

CISS filed a SCHEDULE 13G/A (SEC filing). Ayrton Capital LLC, Alto Opportunity Master Fund, and Waqas Khatri filed an amended Schedule 13G reporting beneficial ownership of 1,169 shares of C3is Inc. common stock (0.08% of the class), all issuable upon exercise of warrants subject to a 9.99% ownership blocker. The filing is a passive investment disclosure with no intent to influence control of the issuer.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did CISS stock react to this filing?

CISS closed at $1.78 before the filing and $1.75 on Nov 12, 2026 (-1.69%).

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