C3is Inc. Completes Registered Offering, Raises $6.0M Gross Proceeds

C3is Inc. announced the completion of a registered offering on July 28, 2026, raising approximately $6.0 million in aggregate gross proceeds. The offering consisted of 11,535,000 units, including 10,435,000 common units and 1,100,000 pre-funded units. Each unit included a Class F Warrant, and the underwriter also exercised an over-allotment option for 908,765 Class F Warrants. The Class F Warrants feature an initial exercise price of $0.52, with potential downward adjustments to $0.364 and $0.26, and include cashless exercise options.