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Prior to the Automatic Conversion, the option was exercisable for 2,984.676 shares of Series A Non-Voting Convertible Preferred Stock of the issuer (\"Series A Preferred Stock\") and would have become exercisable for an additional 89.093 shares each month until it was fully exercisable on June 16, 2025."}],"balance_after":0,"derivative":{"exercise_price":107.59,"expiration_date":"2033-01-15","underlying":"Series A Non-Voting Convertible Preferred Stock","underlying_shares":4276.454},"source":{"system":"sec-edgar","filing":"0001453687-24-000061","document":"wk-form4_1712799327.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1453687/000145368724000061/wk-form4_1712799327.xml","form_type":"4"}},{"id":1687675,"issuer":{"id":6015,"kind":"organization","name":"Cartesian Therapeutics, Inc."},"owners":[{"id":84184,"kind":"person","name":"Jewell Christopher M","position":1,"cik":"0002000226","reported_name":"Jewell Christopher M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2024-01-04T22:08:06.000Z","date":"2024-01-02","kind":"grant","planned":false,"acquired":true,"shares":998000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option vests as to 25% on January 2, 2025. The remainder of the underlying shares will vest in three equal annual installments thereafter so that the underlying shares will be fully vested on January 2, 2028."}],"balance_after":998000,"derivative":{"exercise_price":0.6552,"expiration_date":"2034-01-01","underlying":"Common  Stock","underlying_shares":998000},"source":{"system":"sec-edgar","filing":"0001453687-24-000026","document":"wk-form4_1704406063.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1453687/000145368724000026/wk-form4_1704406063.xml","form_type":"4"}},{"id":1687674,"issuer":{"id":6015,"kind":"organization","name":"Cartesian Therapeutics, Inc."},"owners":[{"id":84184,"kind":"person","name":"Jewell Christopher M","position":1,"cik":"0002000226","reported_name":"Jewell Christopher M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Common  Stock","published_at":"2024-01-04T22:08:06.000Z","date":"2024-01-02","kind":"grant","planned":false,"acquired":true,"shares":778200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Each Restricted Stock Unit represents a contingent right to receive one share of common stock, which will vest as to 25% on January 2, 2025. The remainder of the underlying shares will vest in three equal\nannual installments thereafter so that the underlying shares will be fully vested on January 2, 2028."}],"balance_after":778200,"source":{"system":"sec-edgar","filing":"0001453687-24-000026","document":"wk-form4_1704406063.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1453687/000145368724000026/wk-form4_1704406063.xml","form_type":"4"}},{"id":1740587,"issuer":{"id":6015,"kind":"organization","name":"Cartesian Therapeutics, Inc."},"owners":[{"id":84184,"kind":"person","name":"Jewell Christopher M","position":1,"cik":"0002000226","reported_name":"Jewell Christopher M","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Scientific Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2023-11-15T21:42:03.000Z","date":"2023-11-13","kind":"grant","planned":false,"acquired":true,"shares":4276.454,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On November 13, 2023, the issuer acquired Cartesian Therapeutics, Inc. (\"Cartesian\") in accordance with the terms of an Agreement and Plan of Merger, dated November 13, 2023. Options to purchase Cartesian common stock held by the reporting person were converted into options to purchase shares of Series A Preferred Stock in connection with the acquisition."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Option is currently exercisable for 2,539.177 shares of Series A Non-Voting Convertible Preferred Stock of the issuer (\"Series A Preferred Stock\") and becomes exercisable for an additional 89.093 shares each month until it is fully exercisable."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Following the approval by the stockholders of the issuer of the conversion of the Series A Preferred Stock into shares of common stock of the issuer (\"Common Stock\"), each share of Series A Preferred Stock will be convertible into 1,000 shares of Common Stock, subject to certain limitations, including that a holder of Series A Preferred Stock is prohibited from converting shares of Series Preferred Stock into shares of Common Stock if, as a result of such conversion, such holder, together with its affiliates, would beneficially own more than 19.9% of the total number of shares of Common Stock issued and outstanding immediately after giving effect to such conversion."}],"balance_after":4276.454,"derivative":{"exercise_price":107.59,"expiration_date":"2033-01-15","underlying":"Series A Non-Voting Convertible Preferred Stock","underlying_shares":4276.454},"source":{"system":"sec-edgar","filing":"0001062993-23-020923","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1453687/000106299323020923/form4.xml","form_type":"4"}}]}