SeaStar Medical is trading 23.03% down at $3.61; its warrant deal is a possible, unconfirmed catalyst. - On October 5, investors agreed to exercise warrants for 854,002 shares at reduced $3.866, raising about $3.3 million; new warrants cover up to 1,708,004 shares, creating potential dilution. - After October 2’s $4.69 close, October 1 inpatient billing codes for SCD therapy do not explain today’s move. - No pre-market volume data was provided; broader indices are mixed, not sharply lower.