[EFFECT] C3is Inc. SEC Filing Filing Impact (Neutral) Filing Sentiment (Neutral) Form Type EFFECT AI-generated analysis. How Rhea-AI works. Not financial advice. See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google Add on Google Not now Available on EDGAR 07/28/2026 - 08:09 AM Accepted by SEC EDGAR 07/28/2026 - 12:15 AM Learn about SEC filing dates ⛶ Fullscreen UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Notice of Effectiveness Effectiveness Date: July 27, 2026 9:00 A.M. Form: F-1 CIK: 0001951067 Company Name: C3is Inc. File Number: 333-297627 Source: View Original Filing on SEC EDGAR