{"transactions":[{"id":718224,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true}}],"security":"Common Stock, par value $0.0001","published_at":"2026-07-02T21:08:05.000Z","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":11940,"source":{"system":"sec-edgar","filing":"0001437749-26-022565","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000143774926022565/rdgdoc.xml","form_type":"4"}},{"id":912181,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true}}],"security":"Common Stock, par value $0.0001","published_at":"2026-02-10T21:58:51.000Z","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":7940,"source":{"system":"sec-edgar","filing":"0001437749-26-003674","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000143774926003674/rdgdoc.xml","form_type":"4"}},{"id":1053677,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-08-28T21:28:58.000Z","date":"2025-08-27","kind":"purchase","planned":false,"acquired":true,"shares":10000,"price":0.8565,"value":8565.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Row 2, Column 4 is a weighted average price of $0.8565. These shares were purchased in multiple transactions at prices ranging from $0.8531 to $0.8599 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":49400,"source":{"system":"sec-edgar","filing":"0001214659-25-013006","document":"marketforms-70411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000121465925013006/marketforms-70411.xml","form_type":"4"}},{"id":1053676,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-08-28T21:28:58.000Z","date":"2025-08-26","kind":"purchase","planned":false,"acquired":true,"shares":25000,"price":0.8899,"value":22247.5,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Row 1, Column 4 is a weighted average price of $0.8899. These shares were purchased in multiple transactions at prices ranging from $0.885 to $0.89 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":39400,"source":{"system":"sec-edgar","filing":"0001214659-25-013006","document":"marketforms-70411.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000121465925013006/marketforms-70411.xml","form_type":"4"}},{"id":1086629,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2025-07-16T23:45:12.000Z","date":"2025-06-04","kind":"exercise","planned":false,"acquired":false,"shares":4000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each restricted stock unit represents a contingent right to receive one share of ICU common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"As previously reported, on November 13, 2024, the reporting person was granted 4,000 RSUs, which vested in full on June 4, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"As previously reported, on November 13, 2024, the reporting person was granted 4,000 RSUs, which vested in full on June 4, 2025."}],"balance_after":0,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":4000},"source":{"system":"sec-edgar","filing":"0001213900-25-064802","document":"marketforms-70100.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000121390025064802/marketforms-70100.xml","form_type":"4"}},{"id":1086628,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-07-16T23:45:12.000Z","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":"F4","text":"Represents a RSU award. The RSUs will vest in full on July 3, 2026."}],"balance_after":14400,"source":{"system":"sec-edgar","filing":"0001213900-25-064802","document":"marketforms-70100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000121390025064802/marketforms-70100.xml","form_type":"4"}},{"id":1086627,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2025-07-16T23:45:12.000Z","date":"2025-06-04","kind":"exercise","planned":false,"acquired":true,"shares":4000,"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 granting and vesting of certain restricted stock unit (\"RSU\") awards."},{"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":"On June 7, 2024, the Issuer effectuated a 1-for-25 reverse split of the Issuer's common stock resulting in a reduction in the number of shares held by the Reporting Person. In addition, proportionate adjustments were made to the Issuer's outstanding equity awards. Accordingly, all amounts of securities reported in this Form 4 have been adjusted to reflect the 1-for-25 reverse split."}],"balance_after":10400,"source":{"system":"sec-edgar","filing":"0001213900-25-064802","document":"marketforms-70100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000121390025064802/marketforms-70100.xml","form_type":"4"}},{"id":1363896,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2024-11-15T21:37:43.000Z","date":"2024-11-13","kind":"grant","planned":false,"acquired":true,"shares":4000,"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":"100% of the restricted stock units vest on June 4, 2025."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"100% of the restricted stock units vest on June 4, 2025."}],"balance_after":4000,"derivative":{"underlying":"Common Stock, par value $0.0001 per share","underlying_shares":4000},"source":{"system":"sec-edgar","filing":"0001213900-24-099149","document":"marketforms-67355.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000121390024099149/marketforms-67355.xml","form_type":"4"}},{"id":1541294,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2024-04-16T22:59:13.000Z","date":"2024-04-12","kind":"grant","planned":false,"acquired":true,"shares":43564,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a grant of shares of common stock, $0.0001 par value, of the Issuer (the \"Common Stock\") in lieu of a portion of the cash fees due to the Reporting Person for services as a director of the Issuer.  Such shares are fully vested upon issuance."}],"balance_after":159964,"source":{"system":"sec-edgar","filing":"0000929638-24-001494","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000092963824001494/form4.xml","form_type":"4"}},{"id":1729592,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true}}],"security":"Common Stock, par value $0.0001 per 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(i) twenty-five percent (25%) of the shares upon completion of one (1) year of service measured from October 14, 2021 and (ii) the balance of the shares subject to the option in a series of thirty-six (36) successive equal monthly installments upon completion of each additional month of service over the thirty-six (36)-month period measured from October 14, 2022."}],"balance_after":24483,"derivative":{"exercise_price":0.55,"expiration_date":"2031-10-14","underlying":"Common Stock","underlying_shares":24483},"source":{"system":"sec-edgar","filing":"0000899243-22-034687","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000089924322034687/doc4.xml","form_type":"4"}},{"id":2128568,"issuer":{"id":7863,"kind":"organization","name":"SeaStar Medical Holding Corp"},"owners":[{"id":32931,"kind":"person","name":"Van Heel Kenneth","position":1,"cik":"0001613111","reported_name":"Van Heel Kenneth","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock, par value $0.0001 per share","published_at":"2022-11-01T20:15:32.000Z","date":"2022-10-28","kind":"grant","acquired":true,"shares":8422,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents the Issuer's common stock subject to restricted stock units (RSUs). Pursuant to the Agreement and Plan of Merger by and among the Issuer, LMF Merger Sub, Inc., and SeaStar Medical Inc. (\"SeaStar Medical\"), dated April 21, 2022 (as amended, the \"Merger Agreement\"), at the Effective Time (as defined in the Merger Agreement), each award of RSUs based on SeaStar Medical common stock that was outstanding immediately prior to the Effective Time was converted into the right to receive RSUs based on the common stock of the Issuer with the same terms and conditions as were applicable to such SeaStar Medical RSU awards immediately prior to the Effective Time, subject to the applicable exchange ratio. Fifty percent (50%) of the shares subject to RSUs reported herein will vest on the first anniversary of the Effective Time, thereafter the remaining will vest on a monthly basis over a 12-month period."}],"balance_after":8422,"source":{"system":"sec-edgar","filing":"0000899243-22-034687","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1831868/000089924322034687/doc4.xml","form_type":"4"}}]}