SeaStar Medical implements 1-for-10 reverse stock split

SeaStar Medical Holding Corporation (NASDAQ: ICU) will implement a 1-for-10 reverse stock split effective January 5, 2026, at 12:01 a.m. Eastern Time. The company's common stock will begin trading on a post-split adjusted basis on the Nasdaq Capital Market when the market opens that day, continuing under the ticker symbol "ICU."

Stockholders approved the reverse split at SeaStar Medical's special meeting held December 18, 2025. The company stated the reverse split aims to increase its stock's market price to regain compliance with Nasdaq's $1.00 minimum bid price requirement. The stock will trade under a new CUSIP number – 81256L302.

Under the reverse split, every 10 pre-split shares will automatically convert to 1 share of common stock. Stockholders who would receive fractional shares will instead receive one whole share. The split proportionately reduces shares issuable upon exercise or vesting of outstanding stock options and warrants while increasing their exercise prices accordingly.

Continental Stock Transfer and Trust Company, the company's transfer agent, will provide stockholders of record with information regarding their post-split share ownership. Stockholders holding shares through banks, brokers or other nominees will have their positions automatically adjusted without required action, subject to individual broker processes.

SeaStar Medical operates as a commercial-stage healthcare company focused on treatments for critically ill patients facing organ failure. The company's QUELIMMUNE therapy received FDA approval in 2024 for treating life-threatening acute kidney injury due to sepsis in critically ill pediatric patients.

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