Skip to main content

SeaStar Medical Holding Corp

ICU
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001831868

In the last 90 days, SeaStar Medical Holding Corp insiders filed 1 open-market purchase and 0 sales; 18 institutions reported holding it in 13F filings for Q2 2026, worth $582.1K in total; no superinvestor holds it.

Other share classesICUCW

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by SeaStar Medical Holding Corp insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
1 filing
1 insider, $2.45K in total
Open-market sells
0 filings
Insiders trading
1
Net value
+$2.45K
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for SeaStar Medical Holding Corp, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for SeaStar Medical Holding Corp
NameTitleLast reported holdingLast filingFilings, past year
Messinger MichaelChief Financial Officer2,500Aug 19, 20262
Schlorff EricChief Executive Officer50,140Jul 2, 20262
Chung KevinChief Medical Officer28,021Jul 2, 20262
Vincent Bernadette NDirector8,200Jul 2, 20262
Neuman JohnDirector16,200Jul 2, 20262
Van Heel KennethDirector11,940Jul 2, 20262
Baird Jennifer ADirector10,620Jul 2, 20263
Towne Bradford KPrincipal Accounting Officer9,050Feb 10, 20261
Green David AChief Financial Officer10,323Apr 3, 20250
Barnett RickDirector86,664Nov 15, 20240
Collins AllanDirector54,343Nov 15, 20240
Russell Richard D.Director60,300Apr 16, 20240
Rodgers Bruce M.Director44,515Apr 16, 20240
Lobo AndresDirector40,300Apr 16, 20240
Baron CarylInterim CFO139,872Nov 29, 20230
LM Funding America, Inc.10% Owner2,587,500IndirectNov 1, 20220
LMFAO Sponsor, LLC10% Owner2,587,500Nov 1, 20220
Dow Employees' Pension Plan Trust10% Owner4,449,841Nov 1, 20220
Union Carbide Employees' Pension Plan Trust10% Owner2,966,555Nov 1, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 19, 2026 (view filing)4:21 PM ETAug 181 dayMessinger MichaelChief Financial OfficerPPurchaseCommon Stock, par value $0.0001+750$3.27+$2.45K+42.9%2.50K after
Dec 22, 2025 (view filing)6:55 PM ETDec 193 daysBaird Jennifer ADirectorPPurchase+4.20K$0.2351+$987.42+13.1%36.2K after
Dec 11, 2025 (view filing)6:49 PM ETDec 92 daysMessinger MichaelChief Financial OfficerPPurchase+14.5K$0.3516+$5.10K+483.3%17.5K after
Aug 28, 2025 (view filing)Aug 26-272 daysVan Heel KennethDirectorPPurchaseCommon Stock, par value $0.0001 per share+35.0K$0.8814+$30.9K+243.1%49.4K after2 lots
Aug 25, 2025 (view filing)Aug 223 daysChung KevinChief Medical OfficerPPurchaseCommon Stock, par value $0.0001 per share+10.0K$0.80+$8.00K+20.8%58.2K after
Jul 2, 2025 (view filing)7:32 PM ETJun 302 daysBaird Jennifer ADirectorPPurchaseCommon Stock, par value $0.0001 per share+10.0K$0.4174+$4.17K+55.6%28.0K after
Jun 27, 2025 (view filing)6:00 AM ETJun 243 daysLateNeuman JohnDirectorPPurchaseCommon Stock, par value $0.0001 per share+40.0K$0.3599+$14.4K+100.0%80.0K after
May 22, 2025 (view filing)May 202 daysBaird Jennifer ADirectorPPurchaseCommon Stock, par value $0.0001 per share+10.0K$1.28+$12.8KNew position10.0K after
May 20, 2025 (view filing)May 20Same dayChung KevinChief Medical OfficerPPurchaseCommon Stock, par value $0.0001 per share+4.50K$1.25+$5.63K+32.9%18.2K after
Feb 27, 2025 (view filing)Jun 14-Dec 11, 2024258 daysLateNeuman JohnDirectorPPurchaseCommon Stock, par value $0.0001 per share+40.0K$3.83+$153.2KNew position40.0K after4 lots
Nov 19, 2024 (view filing)Nov 181 dayChung KevinChief Medical OfficerPPurchaseCommon Stock, par value $0.0001 per share+4.25K$1.99+$8.46K+45.0%13.7K after
Oct 1, 2024 (view filing)Sep 301 dayChung KevinChief Medical OfficerPPurchaseCommon Stock, par value $0.0001 per share+1.00K$4.26+$4.26K+11.9%9.44K after
Nov 27, 2023 (view filing)4:05 PM ETNov 225 daysVan Heel KennethDirectorPPurchaseCommon Stock, par value $0.0001 per share+100.0K$0.40+$40.0K+609.8%116.4K after
Jun 1, 2023 (view filing)4:01 PM ETMay 302 daysChung KevinChief Medical OfficerPPurchaseCommon Stock, par value $0.0001 per share+12.5K$0.4746+$5.95K+22.6%68.1K after4 lots
May 30, 2023 (view filing)May 255 daysRussell Richard D.DirectorPPurchaseCommon Stock, par value $0.0001 per share+20.0K$0.50+$10.0K+250.7%28.0K after
May 22, 2023 (view filing)May 184 daysChung KevinChief Medical OfficerPPurchaseCommon Stock, par value $0.0001 per share+7.50K$0.70+$5.25K+15.6%55.6K after
Apr 7, 2023 (view filing)Apr 5, 2022367 daysLateChung KevinChief Medical OfficerPPurchaseCommon Stock, par value $0.0001 per share+3.76K$1.85+$6.96KNew position3.76K after
Nov 1, 2022 (view filing)Oct 284 daysUnion Carbide Employees' Pension Plan Trust10% OwnerPPurchase+200.0K––+7.2%2.97M after
Nov 1, 2022 (view filing)Oct 284 daysUnion Carbide Employees' Pension Plan Trust10% OwnerPPurchase+200.0K–––200.0K afterDerivative
Nov 1, 2022 (view filing)Oct 284 daysDow Employees' Pension Plan Trust10% OwnerPPurchase+300.0K––+7.2%4.45M after
Nov 1, 2022 (view filing)Oct 284 daysDow Employees' Pension Plan Trust10% OwnerPPurchase+300.0K–––300.0K afterDerivative