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SeaStar Medical Holding Corporation

ICU
Healthcare|Biotechnology|US
$1.88
-0.04 (-2.08%)
DCF Value
$3.08
Tangible Book / Share
$1.05
Cash / Share
$1.70

Ownership Breakdown

99.3%
Float
2.8M
Shares Outstanding
2.8M
Float Shares

Major Holders (9)

Combined: 54.4%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
Mitchell P. KopinHC, IN9.99%443,253May 13, 202613D/G
Intracoastal Capital LLCOther9.99%443,253May 13, 202613D/G
Daniel B. AsherHC, IN9.99%443,253May 13, 202613D/G
Alto Opportunity Master Fund, SPC – Segregated Master Portfolio BCorporation6.60%294,361Nov 14, 202413D/G
Armistice Capital, LLCIA, OO4.99%1,466,096Aug 14, 202513D/G
Steven BoydHC, IN4.99%1,466,096Aug 14, 202513D/G
Ayrton Capital LLCInvestment adviser2.60%294,361Aug 13, 202513D/G
Waqas KhatriIndividual2.60%294,361Aug 13, 202513D/G
Alto Opportunity Master Fund, SPC - Segregated Master Portfolio BCorporation2.60%294,361Aug 13, 202513D/G

Insider Trades (100)

Last 4 quarters: 205,107 acquired · 26,667 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Messinger MichaelChief Financial OfficerAug 18, 2026BUY750$3.27$2.5KForm 4
Schlorff EricChief Executive OfficerJul 1, 2026AWARD10,288——Form 4
Chung KevinChief Medical OfficerJul 1, 2026AWARD7,202——Form 4
Vincent Bernadette NdirectorJul 1, 2026AWARD4,000——Form 4
Neuman JohndirectorJul 1, 2026AWARD4,000——Form 4
Van Heel KennethdirectorJul 1, 2026AWARD4,000——Form 4
Baird Jennifer AdirectorJul 1, 2026AWARD4,000——Form 4
Van Heel KennethdirectorFeb 6, 2026AWARD3,000——Form 4
Neuman JohndirectorFeb 6, 2026AWARD3,000——Form 4
Vincent Bernadette NdirectorFeb 6, 2026AWARD3,000——Form 4
Baird Jennifer AdirectorFeb 6, 2026AWARD3,000——Form 4
Towne Bradford KPrincipal Accounting OfficerFeb 6, 2026AWARD7,500——Form 4
Chung KevinChief Medical OfficerFeb 6, 2026AWARD15,000——Form 4
Schlorff EricChief Executive OfficerFeb 6, 2026AWARD30,000——Form 4
Baird Jennifer AdirectorDec 19, 2025BUY4,200$0.24$987.42Form 4
Messinger MichaelChief Financial OfficerDec 9, 2025BUY14,500$0.35$5.1KForm 4
Messinger MichaelChief Financial OfficerNov 14, 2025OTHER0——Form 4
Towne Bradford KPrincipal Accounting OfficerAug 26, 2025OTHER0——Form 4
Van Heel KennethdirectorAug 27, 2025BUY10,000$0.86$8.6KForm 4
Van Heel KennethdirectorAug 26, 2025BUY25,000$0.89$22.2KForm 4
Chung KevinChief Medical OfficerAug 22, 2025BUY10,000$0.80$8.0KForm 4
Baird Jennifer AdirectorJul 10, 2025AWARD4,000——Form 4
Neuman JohndirectorJul 10, 2025AWARD4,000——Form 4
Neuman JohndirectorJun 4, 2025OPTION EX.2,667——Form 4
Neuman JohndirectorJun 4, 2025OPTION EX.2,667——Form 4
Vincent Bernadette NdirectorJul 10, 2025AWARD4,000——Form 4
Vincent Bernadette NdirectorJun 4, 2025OPTION EX.2,667——Form 4
Vincent Bernadette NdirectorJun 4, 2025OPTION EX.2,667——Form 4
Van Heel KennethdirectorJul 10, 2025AWARD4,000——Form 4
Van Heel KennethdirectorJun 4, 2025OPTION EX.4,000——Form 4
Van Heel KennethdirectorJun 4, 2025OPTION EX.4,000——Form 4
Chung KevinChief Medical OfficerJul 1, 2025OPTION EX.5,000——Form 4
Chung KevinChief Medical OfficerJul 1, 2025OPTION EX.5,000——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerJul 1, 2025OPTION EX.21,667——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerJul 1, 2025OPTION EX.21,667——Form 4
Baird Jennifer AdirectorJun 30, 2025BUY10,000$0.42$4.2KForm 4
Baird Jennifer AdirectorJun 4, 2025OPTION EX.2,667——Form 4
Baird Jennifer AdirectorJun 4, 2025OPTION EX.2,667——Form 4
Neuman JohndirectorJun 24, 2025BUY40,000$0.36$14.4KForm 4
Baird Jennifer AdirectorMay 20, 2025BUY10,000$1.28$12.8KForm 4
Chung KevinChief Medical OfficerMay 20, 2025BUY4,500$1.25$5.6KForm 4
Chung KevinChief Medical OfficerApr 1, 2025AWARD15,000——Form 4
Green David AChief Financial OfficerApr 1, 2025AWARD15,000——Form 4
Neuman JohndirectorDec 11, 2024BUY10,000$2.04$20.4KForm 4
Neuman JohndirectorAug 15, 2024BUY10,000$5.24$52.4KForm 4
Neuman JohndirectorJun 17, 2024BUY10,000$4.35$43.5KForm 4
Neuman JohndirectorJun 14, 2024BUY10,000$3.69$36.9KForm 4
Baird Jennifer AJun 4, 2024OTHER0——Form 4
Baird Jennifer AdirectorNov 13, 2024AWARD8,000——Form 4
Vincent Bernadette NdirectorNov 13, 2024AWARD8,000——Form 4
Vincent Bernadette NJun 4, 2024OTHER0——Form 4
Chung KevinChief Medical OfficerNov 15, 2024AWARD15,000——Form 4
Chung KevinChief Medical OfficerNov 18, 2024BUY4,250$1.99$8.5KForm 4
Schlorff Ericdirector, officer: Chief Executive OfficerNov 15, 2024AWARD65,000——Form 4
Barnett RickdirectorNov 13, 2024AWARD4,000——Form 4
Van Heel KennethdirectorNov 13, 2024AWARD4,000——Form 4
Neuman JohndirectorNov 13, 2024AWARD8,000——Form 4
Collins AllandirectorNov 13, 2024AWARD4,000——Form 4
Chung KevinChief Medical OfficerSep 30, 2024BUY1,000$4.26$4.3KForm 4
Green David AChief Financial OfficerAug 30, 2024AWARD8,100——Form 4
Green David AChief Financial OfficerApr 18, 2024AWARD2,223——Form 4
Green David AChief Financial OfficerApr 12, 2024AWARD18,000——Form 4
Neuman JohnJun 5, 2024OTHER0——Form 4
Green David AChief Financial OfficerApr 12, 2024AWARD752,500——Form 4
Russell Richard D.directorApr 12, 2024AWARD32,322——Form 4
Lobo AndresdirectorApr 12, 2024AWARD32,322——Form 4
Barnett RickdirectorApr 12, 2024AWARD70,264——Form 4
Van Heel KennethdirectorApr 12, 2024AWARD43,564——Form 4
Collins AllandirectorApr 12, 2024AWARD37,943——Form 4
Rodgers Bruce M.directorApr 12, 2024AWARD36,537——Form 4
Green David AJan 10, 2024OTHER0——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerNov 29, 2023AWARD60,248——Form 4
Chung KevinChief Medical OfficerNov 29, 2023AWARD63,422——Form 4
Baron CarylInterim CFONov 29, 2023AWARD20,293——Form 4
Baron CarylInterim CFOSep 22, 2023J15,070——Form 4
Chung KevinChief Medical OfficerAug 31, 2023AWARD28,125——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerAug 31, 2023AWARD33,750——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerAug 15, 2023AWARD20,317——Form 4
Van Heel KennethdirectorNov 22, 2023BUY100,000$0.40$40.0KForm 4
Baron CarylInterim CFOSep 15, 2023AWARD4,110——Form 4
Chung KevinChief Medical OfficerSep 15, 2023AWARD34,257——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerSep 15, 2023AWARD41,109——Form 4
Chung KevinChief Medical OfficerAug 31, 2023AWARD35,178——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerAug 31, 2023AWARD35,178——Form 4
Baron CarylInterim CFOAug 31, 2023AWARD3,374——Form 4
Chung KevinChief Medical OfficerAug 15, 2023AWARD16,930——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerAug 15, 2023AWARD21,176——Form 4
Baron CarylInterim CFOAug 15, 2023AWARD2,031——Form 4
Schlorff Ericdirector, officer: Chief Executive OfficerJun 23, 2023AWARD417,386——Form 4
Baron CarylInterim CFOJun 9, 2023AWARD56,869——Form 4
Baron CarylInterim CFOJun 9, 2023TAX W/H15,070$0.53$7.9KForm 4
Chung KevinChief Medical OfficerMay 30, 2023BUY1,150$0.48$546.37Form 4
Chung KevinChief Medical OfficerMay 30, 2023BUY2,300$0.47$1.1KForm 4
Chung KevinChief Medical OfficerMay 30, 2023BUY4,000$0.48$1.9KForm 4
Chung KevinChief Medical OfficerMay 30, 2023BUY5,093$0.47$2.4KForm 4
Russell Richard D.directorMay 25, 2023BUY20,000$0.50$10.0KForm 4
Chung KevinChief Medical OfficerMay 18, 2023BUY7,500$0.70$5.2KForm 4
Rodgers Bruce M.directorApr 6, 2023AWARD11,967$1.84$22.0KForm 4
Rodgers Bruce M.directorApr 6, 2023AWARD7,978——Form 4
Baron CarylInterim CFOApr 6, 2023AWARD11,080——Form 4