{"transactions":[{"id":1125303,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":78939,"kind":"person","name":"Sterling O. James","position":1,"cik":"0001851144","reported_name":"Sterling O. 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Tendering stockholders were given the option to receive per share consideration of either (x) $3.00 in cash per share, subject to any applicable withholding taxes and without interest thereon, plus one contingent value right (\"CVR\") per share, representing the right to receive one contingent payment of $6.84, in cash, subject to any applicable withholding taxes and without interest thereon, upon achievement of the specified milestone or (y) $5.00 in cash per share, subject to any applicable withholding taxes and without interest thereon (collectively, the \"Offer Price\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"(Continued from footnote 1) After completion of the tender offer, Purchaser merged with and into the Issuer (the \"Merger\"), effective as of June 2, 2025 (the \"Effective Time\"), with the Issuer continuing as the surviving entity and a wholly owned subsidiary of Parent."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Pursuant to the terms of the Merger Agreement, immediately prior to the Effective Time, each time-based restricted stock unit award with respect to shares that is, at the time of determination, subject to vesting or forfeiture conditions and that is not a PSU Award (as defined below) (but including, for clarity, any PSU Award that is subject solely to service-based vesting conditions as of the Effective Time) (\"RSU Award\") that is outstanding as of immediately prior thereto, shall (a) accelerate and become fully vested, and (b) by virtue of the Merger automatically (except as otherwise provided in the Merger Agreement) and without any action on the part of the Issuer, Parent or the holder thereof, be canceled and terminated and converted into the right to receive"},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"(Continued from footnote 3) (i) an amount in cash equal to the product of the number of shares underlying such RSU Award immediately prior to the Effective Time and $3.00 in cash, subject to any applicable withholding taxes and without interest thereon plus (ii) one CVR with respect to each share subject to such RSU Award immediately prior to the Effective Time."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000950170-25-081123","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851144/000095017025081123/ownership.xml","form_type":"4"}},{"id":1394670,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":78939,"kind":"person","name":"Sterling O. James","position":1,"cik":"0001851144","reported_name":"Sterling O. James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Common Stock","published_at":"2024-10-02T16:06:38.000Z","date":"2024-09-30","kind":"grant","planned":false,"acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These restricted stock units for common stock vest over a four-year period at the rate of 25% on each of July 1, 2025, July 1, 2026, July 1, 2027 and July 1, 2028."}],"balance_after":100000,"source":{"system":"sec-edgar","filing":"0001562180-24-007128","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851144/000156218024007128/primarydocument.xml","form_type":"4"}},{"id":1460267,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":78939,"kind":"person","name":"Sterling O. 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James","position":1,"cik":"0001851144","reported_name":"Sterling O. James","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Employee Stock Option (right to buy)","published_at":"2023-07-07T16:24:42.000Z","date":"2023-07-06","kind":"grant","planned":false,"acquired":true,"shares":575160,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The exercise price is 1.025 pounds sterling. The U.S. dollar equivalent of the exercise price is $1.301 using the Bank of England rate as of July 6, 2023 (1.00 pound sterling = $1.269)."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"One twelfth (1/12th) of the shares subject to the option award shall vest in equal quarterly installments commencing on October 6, 2023, subject to the Reporting Person's continuous service."}],"balance_after":575160,"derivative":{"expiration_date":"2033-07-05","underlying":"Ordinary Shares","underlying_shares":575160},"source":{"system":"sec-edgar","filing":"0001209191-23-041795","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1851144/000120919123041795/doc4.xml","form_type":"4"}}]}