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The Shares were in fact withheld by the Issuer to satisfy tax withholding obligations in connection a vesting event in a transaction approved in accordance with Rule 16b-3 of the Securities Exchange Act of 1934, as amended. Footnote 1 to the Original Form correctly described the transaction as \"shares withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of restricted stock units.\" Accordingly, the reporting person is hereby amending the Original Form to correctly show the \"F\" code in Column 3 of Table I. 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These shares were sold in multiple transactions at prices ranging from $5.81 to $6.02, inclusive. The reporting person undertakes to\nprovide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the ranges set forth in this footnote to this Form 4."}],"balance_after":151263,"source":{"system":"sec-edgar","filing":"0001628280-26-038171","document":"wk-form4_1779828592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1861140/000162828026038171/wk-form4_1779828592.xml","form_type":"4"}},{"id":763971,"issuer":{"id":5512,"kind":"organization","name":"Strata Critical Medical, Inc.","symbol":"SRTA"},"owners":[{"id":27208,"kind":"person","name":"Cohen Amir","position":1,"cik":"0001861140","reported_name":"Cohen Amir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Class A common stock, $0.0001 par value per share","published_at":"2026-05-26T20:49:55.000Z","date":"2026-05-21","kind":"sale","planned":true,"acquired":false,"shares":10300,"price":5.79,"value":59637.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025."}],"balance_after":191838,"source":{"system":"sec-edgar","filing":"0001628280-26-038171","document":"wk-form4_1779828592.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1861140/000162828026038171/wk-form4_1779828592.xml","form_type":"4"}},{"id":780913,"issuer":{"id":5512,"kind":"organization","name":"Strata Critical Medical, Inc.","symbol":"SRTA"},"owners":[{"id":27208,"kind":"person","name":"Cohen Amir","position":1,"cik":"0001861140","reported_name":"Cohen Amir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Accounting Officer"}}],"security":"Class A common stock, $0.0001 par value per share","published_at":"2026-05-13T20:04:46.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":14306,"price":5.79,"value":82831.74,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.79 to $5.81, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4."}],"balance_after":202138,"source":{"system":"sec-edgar","filing":"0001628280-26-034586","document":"wk-form4_1778702684.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1861140/000162828026034586/wk-form4_1778702684.xml","form_type":"4"}},{"id":786916,"issuer":{"id":5512,"kind":"organization","name":"Strata Critical Medical, Inc.","symbol":"SRTA"},"owners":[{"id":48741,"kind":"person","name":"Krstic Velibor","position":1,"cik":"0002126691","reported_name":"Krstic Velibor","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Warrants to purchase Class A 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