{"transactions":[{"id":718669,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true}}],"security":"Common Stock, par value $0.0001","published_at":"2026-07-02T21:04:50.000Z","date":"2026-07-01","kind":"grant","planned":false,"acquired":true,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represent a restricted stock unit award (\"RSU\"). The RSUs will vest in full on July 1, 2027."}],"balance_after":10620,"source":{"system":"sec-edgar","filing":"0001437749-26-022559","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000143774926022559/rdgdoc.xml","form_type":"4"}},{"id":912448,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true}}],"security":"Common Stock, par value $0.0001","published_at":"2026-02-10T21:57:09.000Z","date":"2026-02-06","kind":"grant","planned":false,"acquired":true,"shares":3000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a RSU award. The RSUs will vest in full on February 6, 2027."}],"balance_after":6620,"source":{"system":"sec-edgar","filing":"0001437749-26-003671","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000143774926003671/rdgdoc.xml","form_type":"4"}},{"id":961243,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-22T23:55:38.000Z","date":"2025-12-19","kind":"purchase","planned":false,"acquired":true,"shares":4200,"price":0.2351,"value":987.42,"ownership":{"direct":true},"balance_after":36200,"source":{"system":"sec-edgar","filing":"0001437749-25-038577","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000143774925038577/rdgdoc.xml","form_type":"4"}},{"id":1086760,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-07-16T23:47:30.000Z","date":"2025-07-10","kind":"grant","planned":false,"acquired":true,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a restricted stock unit (\"RSU\") award. The RSUs will vest in full on July 3, 2026."}],"balance_after":32000,"source":{"system":"sec-edgar","filing":"0001213900-25-064806","document":"marketforms-70097.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000121390025064806/marketforms-70097.xml","form_type":"4"}},{"id":1095827,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2025-07-02T23:32:54.000Z","date":"2025-06-04","kind":"exercise","planned":false,"acquired":false,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"Each restricted stock unit represents a contingent right to receive one share of ICU common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"As previously reported, on November 13, 2024, the reporting person was granted 8,000 RSUs, vesting in three approximately equal annual installments on the first, second and third anniversaries of June 4, 2024."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"As previously reported, on November 13, 2024, the reporting person was granted 8,000 RSUs, vesting in three approximately equal annual installments on the first, second and third anniversaries of June 4, 2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"The total does not include 5,333 shares underlying RSUs that are now reported in Table I."}],"balance_after":0,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":2667},"source":{"system":"sec-edgar","filing":"0001213900-25-061153","document":"marketforms-70005.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000121390025061153/marketforms-70005.xml","form_type":"4"}},{"id":1095826,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-07-02T23:32:54.000Z","date":"2025-06-30","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":0.4174,"value":4174.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The total includes 5,333 shares underlying RSUs that were previously reported in Table II."}],"balance_after":28000,"source":{"system":"sec-edgar","filing":"0001213900-25-061153","document":"marketforms-70005.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000121390025061153/marketforms-70005.xml","form_type":"4"}},{"id":1095825,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-07-02T23:32:54.000Z","date":"2025-06-04","kind":"exercise","planned":false,"acquired":true,"shares":2667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This Form 4 is being filed to report the vesting of certain restricted stock unit (\"RSU\") awards, the moving of unvested RSU awards previously reported in Table II to Table I and the open market purchase of shares of Common Stock."},{"field":"shares","element":"transactionShares","label":"F2","text":"Reflects RSUs that upon vesting converted into shares of ICU common stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The total includes 5,333 shares underlying RSUs that were previously reported in Table II."}],"balance_after":18000,"source":{"system":"sec-edgar","filing":"0001213900-25-061153","document":"marketforms-70005.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000121390025061153/marketforms-70005.xml","form_type":"4"}},{"id":1137610,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-05-22T21:40:43.000Z","date":"2025-05-20","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":1.2815,"value":12815.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price of $1.2815. These shares were purchased in multiple transactions at prices ranging from $1.27 to $1.29, inclusive. The reporting person undertakes to provide, upon request by the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, full information regarding the number of shares purchased at each separate price."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0001213900-25-046931","document":"marketforms-69582.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000121390025046931/marketforms-69582.xml","form_type":"4"}},{"id":1345544,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":33054,"kind":"person","name":"Baird Jennifer A","position":1,"cik":"0002047015","reported_name":"Baird Jennifer A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2024-12-04T02:40:12.000Z","date":"2024-11-13","kind":"grant","planned":false,"acquired":true,"shares":8000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of ICU common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs reported herein will vest in equal installments on the first, second and third anniversaries of June 4, 2024"},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs reported herein will vest in equal installments on the first, second and third anniversaries of June 4, 2024"}],"balance_after":8000,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":8000},"source":{"system":"sec-edgar","filing":"0001213900-24-105215","document":"marketforms-67361.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2047015/000121390024105215/marketforms-67361.xml","form_type":"4"}}]}