{"transactions":[{"id":909605,"issuer":{"id":4477,"kind":"organization","name":"ADMA BIOLOGICS, INC."},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Stock Option (Right to Buy)","published_at":"2026-02-12T02:00:14.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":17730,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These options vest in twelve equal monthly installments, becoming fully vested on the one-year anniversary of the date of grant."}],"balance_after":17730,"derivative":{"exercise_price":16.37,"expiration_date":"2036-02-09","underlying":"Common Stock","underlying_shares":17730},"source":{"system":"sec-edgar","filing":"0001140361-26-004888","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1368514/000114036126004888/form4.xml","form_type":"4"}},{"id":909604,"issuer":{"id":4477,"kind":"organization","name":"ADMA BIOLOGICS, INC."},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Common Stock","published_at":"2026-02-12T02:00:14.000Z","date":"2026-02-09","kind":"grant","planned":false,"acquired":true,"shares":10690,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") that will vest in two equal installments, on the six- and 12-month anniversaries of the grant date, becoming fully vested on the one-year anniversary of the grant date, subject to the Reporting Person's continued service as of the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes, as of the transaction date, (i) 10,690 RSUs granted on February 9, 2026, which will fully vest on February 9, 2027, subject to the Reporting Person's continued service as of such vesting date; (ii) 5,445 RSUs out of 10,889 RSUs granted on February 19, 2025, which will vest fully on February 19, 2026, subject to the Reporting Person's continued service as of such vesting date; and (iii) 29,484 shares of common stock owned by the Reporting Person."}],"balance_after":45619,"source":{"system":"sec-edgar","filing":"0001140361-26-004888","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1368514/000114036126004888/form4.xml","form_type":"4"}},{"id":1252441,"issuer":{"id":4477,"kind":"organization","name":"ADMA BIOLOGICS, INC."},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2025-02-22T02:05:26.000Z","date":"2025-02-19","kind":"grant","planned":false,"acquired":true,"shares":16279,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The options vest in 12 equal monthly installments, becoming fully vested on the one-year anniversary of the date of grant."}],"balance_after":16279,"derivative":{"exercise_price":16.07,"expiration_date":"2035-02-19","underlying":"Common Stock","underlying_shares":16279},"source":{"system":"sec-edgar","filing":"0001140361-25-005537","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1368514/000114036125005537/form4.xml","form_type":"4"}},{"id":1252440,"issuer":{"id":4477,"kind":"organization","name":"ADMA BIOLOGICS, INC."},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-02-22T02:05:26.000Z","date":"2025-02-19","kind":"grant","planned":false,"acquired":true,"shares":10889,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") that will vest in two equal installments, on the six- and 12-month anniversaries of the grant date, becoming fully vested on the one-year anniversary of the grant date, subject to the Reporting Person's continued service as of the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes, as of the transaction date, (i) 10,889 RSUs granted on February 19, 2025 and reported on this Form 4, subject to vesting as set forth in footnote (1); (ii) 12,020 RSUs granted on February 26, 2024, which will vest fully on February 26, 2025, subject to the Reporting Person's continued service as of such vesting date; and (iii) 12,020 shares of common stock owned by the Reporting Person."}],"balance_after":34929,"source":{"system":"sec-edgar","filing":"0001140361-25-005537","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1368514/000114036125005537/form4.xml","form_type":"4"}},{"id":1611853,"issuer":{"id":4477,"kind":"organization","name":"ADMA BIOLOGICS, INC."},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2024-02-29T02:00:51.000Z","date":"2024-02-26","kind":"grant","planned":false,"acquired":true,"shares":37541,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The options vest in 12 equal monthly installments, becoming fully vested on the one-year anniversary of the date of grant."}],"balance_after":37541,"derivative":{"exercise_price":5.4,"expiration_date":"2034-02-26","underlying":"Common Stock","underlying_shares":37541},"source":{"system":"sec-edgar","filing":"0001140361-24-010242","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1368514/000114036124010242/form4.xml","form_type":"4"}},{"id":1611852,"issuer":{"id":4477,"kind":"organization","name":"ADMA BIOLOGICS, INC."},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Common Stock","published_at":"2024-02-29T02:00:51.000Z","date":"2024-02-26","kind":"grant","planned":false,"acquired":true,"shares":24040,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") that will vest in two equal installments, on the six- and 12-month anniversaries of the grant date, becoming fully vested on the one-year anniversary of the grant date, subject to the reporting person's continued service as of the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes, as of the transaction date, 24,040 RSUs granted on February 26, 2024 and reported on this Form 4, subject to vesting as set forth in footnote (1)."}],"balance_after":24040,"source":{"system":"sec-edgar","filing":"0001140361-24-010242","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1368514/000114036124010242/form4.xml","form_type":"4"}},{"id":1773754,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-09-25T16:29:33.000Z","date":"2023-09-25","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"At the Effective Time, pursuant to the Merger Agreement, each outstanding option to purchase shares of common stock of the Issuer having an exercise price per share that was equal to or greater than the sum of the amount of the Cash Consideration and the amount of the DB-OTO Milestone Payment and less than the sum of the amount of the Cash Consideration, the amount of the DB-OTO Milestone Payment and the amount of the Registration Study Milestone Payment (each a \"Tranche 3 Option\") was cancelled and exchanged for one CVR with respect to each share subject to such Tranche 3 Option as of immediately prior to the Effective Time; provided that in the case of any CVR received in respect of a Tranche 3 Option, the Registration Study Milestone Payment is equal to the excess of $7.50 over the exercise price per share with respect to such Tranche 3 Option."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"At the Effective Time, pursuant to the Merger Agreement, each outstanding option to purchase shares of common stock of the Issuer having an exercise price per share that was equal to or greater than the sum of the amount of the Cash Consideration and the amount of the DB-OTO Milestone Payment and less than the sum of the amount of the Cash Consideration, the amount of the DB-OTO Milestone Payment and the amount of the Registration Study Milestone Payment (each a \"Tranche 3 Option\") was cancelled and exchanged for one CVR with respect to each share subject to such Tranche 3 Option as of immediately prior to the Effective Time; provided that in the case of any CVR received in respect of a Tranche 3 Option, the Registration Study Milestone Payment is equal to the excess of $7.50 over the exercise price per share with respect to such Tranche 3 Option."}],"balance_after":0,"derivative":{"exercise_price":6.2,"expiration_date":"2031-12-02","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0000899243-23-019496","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000089924323019496/doc4.xml","form_type":"4"}},{"id":1773753,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-09-25T16:29:33.000Z","date":"2023-09-25","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":5000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"At the Effective Time, pursuant to the Merger Agreement, each outstanding option to purchase shares of common stock of the Issuer having an exercise price per share that was equal to or greater than the amount of the Cash Consideration and less than the sum of the amount of the Cash Consideration and the amount of the DB-OTO Milestone Payment (as defined in the CVR Agreement) (each a \"Tranche 2 Option\") was cancelled and exchanged for one CVR with respect to each share subject to such Tranche 2 Option as of immediately prior to the Effective Time; provided that in the case of any CVR received in respect of a Tranche 2 Option, the DB-OTO Milestone Payment is equal to the excess of $6.00 over the exercise price per share with respect to such Tranche 2 Option and the Registration Study Milestone Payment (as defined in the CVR Agreement) is equal to $1.50 per CVR."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"At the Effective Time, pursuant to the Merger Agreement, each outstanding option to purchase shares of common stock of the Issuer having an exercise price per share that was equal to or greater than the amount of the Cash Consideration and less than the sum of the amount of the Cash Consideration and the amount of the DB-OTO Milestone Payment (as defined in the CVR Agreement) (each a \"Tranche 2 Option\") was cancelled and exchanged for one CVR with respect to each share subject to such Tranche 2 Option as of immediately prior to the Effective Time; provided that in the case of any CVR received in respect of a Tranche 2 Option, the DB-OTO Milestone Payment is equal to the excess of $6.00 over the exercise price per share with respect to such Tranche 2 Option and the Registration Study Milestone Payment (as defined in the CVR Agreement) is equal to $1.50 per CVR."}],"balance_after":0,"derivative":{"exercise_price":4.78,"expiration_date":"2033-06-12","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000899243-23-019496","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000089924323019496/doc4.xml","form_type":"4"}},{"id":1773752,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2023-09-25T16:29:33.000Z","date":"2023-09-25","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":10000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"At the Effective Time, pursuant to the Merger Agreement, each outstanding option to purchase shares of common stock of the Issuer having an exercise price per share that was less than the amount of the Cash Consideration (each a \"Tranche 1 Option\"), was cancelled and exchanged for (A) an amount in cash equal to the product of (x) the total number of shares subject to such Tranche 1 Option immediately prior to the Effective Time multiplied by (y) the excess of the amount of the Cash Consideration over the applicable exercise price per share of such Tranche 1 Option, and (B) one CVR with respect to each share subject to such Tranche 1 Option as of immediately prior to the Effective Time."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"At the Effective Time, pursuant to the Merger Agreement, each outstanding option to purchase shares of common stock of the Issuer having an exercise price per share that was less than the amount of the Cash Consideration (each a \"Tranche 1 Option\"), was cancelled and exchanged for (A) an amount in cash equal to the product of (x) the total number of shares subject to such Tranche 1 Option immediately prior to the Effective Time multiplied by (y) the excess of the amount of the Cash Consideration over the applicable exercise price per share of such Tranche 1 Option, and (B) one CVR with respect to each share subject to such Tranche 1 Option as of immediately prior to the Effective Time."}],"balance_after":0,"derivative":{"exercise_price":2.3,"expiration_date":"2032-06-16","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0000899243-23-019496","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000089924323019496/doc4.xml","form_type":"4"}},{"id":1773751,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-09-25T16:29:33.000Z","date":"2023-09-25","kind":"disposition_to_issuer","planned":false,"acquired":false,"shares":5000,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Pursuant to the terms of that certain Agreement and Plan of Merger (the \"Merger Agreement\"), by and among the Issuer, Regeneron Pharmaceuticals, Inc. (\"Parent\") and Symphony Acquisition Sub, Inc. (\"Purchaser\"), dated as of August 8, 2023, the shares of common stock, par value $0.001 per share, of the Issuer that were tendered prior to the Expiration Date (as defined in the Merger Agreement) and disposed of at the Offer Acceptance Time (as defined in the Merger Agreement) were exchanged for (i) $4.00 per share, payable in cash at closing, without interest and subject to reduction for any applicable withholding of taxes (the \"Cash Consideration\"), plus (ii) one contractual, non-tradeable contingent value right per share (each, a \"CVR\"),"},{"field":"shares","element":"transactionShares","label":"F2","text":"(Continued from Footnote 1) which entitles the holder to potentially receive contingent payments of up to an aggregate of $3.50 per CVR, without interest and subject to reduction for any applicable withholding taxes, upon the achievement of certain specified milestones in accordance with the terms and subject to the conditions of a Contingent Value Rights Agreement (the \"CVR Agreement\"), dated as of September 25, 2023, by and among Parent, Purchaser, Computershare Inc., and Computershare Trust Company, N.A. In addition, at the effective time of the merger (the \"Effective Time\"), pursuant to the Merger Agreement, each outstanding restricted stock unit of the Issuer (each a \"Company RSU\"), whether or not vested, was cancelled and exchanged for the right to receive (i) a cash payment equal to (x) the total numbers of shares subject to such Company RSU multiplied by (y) the Cash Consideration and (ii) one CVR with respect to each share subject to such Company RSU."},{"field":"shares","element":"transactionShares","label":"F3","text":"Includes 5,000 unvested Company RSUs."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the terms of that certain Agreement and Plan of Merger (the \"Merger Agreement\"), by and among the Issuer, Regeneron Pharmaceuticals, Inc. (\"Parent\") and Symphony Acquisition Sub, Inc. (\"Purchaser\"), dated as of August 8, 2023, the shares of common stock, par value $0.001 per share, of the Issuer that were tendered prior to the Expiration Date (as defined in the Merger Agreement) and disposed of at the Offer Acceptance Time (as defined in the Merger Agreement) were exchanged for (i) $4.00 per share, payable in cash at closing, without interest and subject to reduction for any applicable withholding of taxes (the \"Cash Consideration\"), plus (ii) one contractual, non-tradeable contingent value right per share (each, a \"CVR\"),"},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"(Continued from Footnote 1) which entitles the holder to potentially receive contingent payments of up to an aggregate of $3.50 per CVR, without interest and subject to reduction for any applicable withholding taxes, upon the achievement of certain specified milestones in accordance with the terms and subject to the conditions of a Contingent Value Rights Agreement (the \"CVR Agreement\"), dated as of September 25, 2023, by and among Parent, Purchaser, Computershare Inc., and Computershare Trust Company, N.A. In addition, at the effective time of the merger (the \"Effective Time\"), pursuant to the Merger Agreement, each outstanding restricted stock unit of the Issuer (each a \"Company RSU\"), whether or not vested, was cancelled and exchanged for the right to receive (i) a cash payment equal to (x) the total numbers of shares subject to such Company RSU multiplied by (y) the Cash Consideration and (ii) one CVR with respect to each share subject to such Company RSU."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-23-019496","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000089924323019496/doc4.xml","form_type":"4"}},{"id":1855473,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Stock Option (right to buy)","published_at":"2023-06-14T16:40:24.000Z","date":"2023-06-13","kind":"grant","planned":false,"acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option was granted on June 13, 2023 for 5,000 shares.  The shares underlying the option are scheduled to vest in full on the one year anniversary of the date of grant of the option (or, if earlier, the date of the next annual meeting of stockholders following the date of grant of the option), subject to the reporting person's continued service."}],"balance_after":5000,"derivative":{"exercise_price":4.78,"expiration_date":"2033-06-12","underlying":"Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0000950170-23-027992","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000095017023027992/ownership.xml","form_type":"4"}},{"id":1855472,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true}}],"security":"Common Stock","published_at":"2023-06-14T16:40:24.000Z","date":"2023-06-13","kind":"grant","planned":false,"acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Consists of shares of the Issuer's common stock issuable under 5,000 restricted stock units (\"RSUs\").  Each RSU represents the right to receive one share of the Issuer's common stock upon vesting.  The RSUs are scheduled to vest in full on the one year anniversary of the date of grant of the RSUs (or, if earlier, the date of the next annual meeting of stockholders following the date of grant of the RSUs), subject to the reporting person's continued service."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 5,000 unvested RSUs.  Each unvested RSU represents the right to receive one share of the Issuer's common stock upon vesting."}],"balance_after":5000,"source":{"system":"sec-edgar","filing":"0000950170-23-027992","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000095017023027992/ownership.xml","form_type":"4"}},{"id":2224860,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2022-06-21T18:55:19.000Z","date":"2022-06-17","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option was granted on June 17, 2022 for 10,000 shares. The shares underlying the option are scheduled to vest in full on the one year anniversary of the date of grant of the option (or, if earlier, the date of the next annual meeting of stockholders following the date of grant of the option), subject to the reporting person's continued service."}],"balance_after":10000,"derivative":{"exercise_price":2.3,"expiration_date":"2032-06-16","underlying":"Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0000899243-22-023471","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000089924322023471/doc4.xml","form_type":"4"}},{"id":2483406,"issuer":{"id":109458,"kind":"organization","name":"Decibel Therapeutics, Inc.","symbol":"DBTX"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2021-12-06T16:17:44.000Z","date":"2021-12-03","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option was granted on December 3, 2021 for 20,000 shares. The shares underlying the option vest in equal monthly installments until the third anniversary of the grant date, subject to the reporting person's continued service."}],"balance_after":20000,"derivative":{"exercise_price":6.2,"expiration_date":"2031-12-02","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0000899243-21-046951","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656536/000089924321046951/doc4.xml","form_type":"4"}},{"id":2912086,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-08T17:57:09.000Z","date":"2021-01-06","kind":"sale","acquired":false,"shares":759,"price":45.4635,"value":34506.7965,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The range in prices for the transaction reported on this line was $45.25 to $45.83. The average weighted price was $45.4635. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":25103,"source":{"system":"sec-edgar","filing":"0001562180-21-000267","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218021000267/primarydocument.xml","form_type":"4"}},{"id":2912085,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2021-01-08T17:57:09.000Z","date":"2021-01-06","kind":"sale","acquired":false,"shares":1055,"price":44.7586,"value":47220.323,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The range in prices for the transaction reported on this line was $44.25 to $45.24. The average weighted price was $44.7586. 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The average weighted price was $44.9522. 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The average weighted price was $54.4340. 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The average weighted price was $52.5087. 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The average weighted price was $52.765. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"1 share was acquired under the bluebird bio, Inc. employee stock purchase plan."}],"balance_after":27028,"source":{"system":"sec-edgar","filing":"0001562180-20-006303","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020006303/primarydocument.xml","form_type":"4"}},{"id":3036386,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-09-08T16:08:27.000Z","date":"2020-09-03","kind":"sale","acquired":false,"shares":35,"price":58.6018,"value":2051.063,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The range in prices for the transaction reported on this line was $58.468 to $58.77. The average weighted price was $58.6018. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":27063,"source":{"system":"sec-edgar","filing":"0001562180-20-005923","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020005923/primarydocument.xml","form_type":"4"}},{"id":3067183,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-08-05T16:05:32.000Z","date":"2020-08-03","kind":"sale","acquired":false,"shares":9,"price":60.9811,"value":548.8299,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The range in prices for the transaction reported on this line was $60.83 to $61.00. The average weighted price was $60.9811. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":27098,"source":{"system":"sec-edgar","filing":"0001562180-20-005310","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020005310/primarydocument.xml","form_type":"4"}},{"id":3067182,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-08-05T16:05:32.000Z","date":"2020-08-03","kind":"sale","acquired":false,"shares":26,"price":60.3182,"value":1568.2732,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The range in prices for the transaction reported on this line was $59.75 to $60.72. The average weighted price was $60.3182. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":27107,"source":{"system":"sec-edgar","filing":"0001562180-20-005310","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020005310/primarydocument.xml","form_type":"4"}},{"id":3087357,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-07-07T17:16:17.000Z","date":"2020-07-02","kind":"sale","acquired":false,"shares":36,"price":61.5728,"value":2216.6208,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The range in prices for the transaction reported on this line was $61.27 to $61.88. The average weighted price was $61.5728. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":27133,"source":{"system":"sec-edgar","filing":"0001562180-20-005056","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020005056/primarydocument.xml","form_type":"4"}},{"id":3121918,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-06-04T17:44:03.000Z","date":"2020-06-02","kind":"sale","acquired":false,"shares":27,"price":64.2432,"value":1734.5664,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The range in prices for the transaction reported on this line was $63.76 to $64.30. The average weighted price was $64.2432. 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a four-year period at the rate of 25% on 01/04/2021, 25% on 01/04/2022, 25% on 01/04/2023, and 25% on 01/04/2024."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"195 shares were acquired under the bluebird bio, Inc. employee stock purchase plan."}],"balance_after":25843,"source":{"system":"sec-edgar","filing":"0001562180-20-002155","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020002155/primarydocument.xml","form_type":"4"}},{"id":3314432,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial 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The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":18148,"source":{"system":"sec-edgar","filing":"0001562180-20-000310","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020000310/primarydocument.xml","form_type":"4"}},{"id":3316155,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2020-01-07T17:02:51.000Z","date":"2020-01-03","kind":"sale","acquired":false,"shares":517,"price":84.9596,"value":43924.1132,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The range in prices for the transaction reported on this line was $84.70 to $85.07. The average weighted price was $84.9596. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"33 shares were acquired under the bluebird bio, Inc. employee stock purchase plan."}],"balance_after":19197,"source":{"system":"sec-edgar","filing":"0001562180-20-000278","document":"primarydocument.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000156218020000278/primarydocument.xml","form_type":"4"}},{"id":3674130,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Stock Option (right to buy)","published_at":"2019-02-05T18:42:47.000Z","date":"2019-02-01","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This option vests over a four-year period, at a rate of twenty-five percent (25%) on January 4, 2020 and in 36 equal monthly installments thereafter."}],"balance_after":20000,"derivative":{"exercise_price":134.63,"expiration_date":"2029-02-01","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001209191-19-007510","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119007510/doc4.xml","form_type":"4"}},{"id":3674129,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-02-05T18:42:47.000Z","date":"2019-02-01","kind":"grant","acquired":true,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Restricted stock units for common stock vest over a four-year period at a rate of 25% on 01/04/2020, 25% on 01/04/2021, 25% on 01/04/2022, and 25% on 01/04/2023."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"133 shares were acquired under the bluebird bio, Inc. employee stock purchase plan on January 31, 2019."}],"balance_after":19681,"source":{"system":"sec-edgar","filing":"0001209191-19-007510","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119007510/doc4.xml","form_type":"4"}},{"id":3698931,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-09T16:53:02.000Z","date":"2019-01-07","kind":"sale","acquired":false,"shares":219,"price":114.3045,"value":25032.6855,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The range in prices for the transaction reported on this line was $114.00 to $114.72. The average weighted price was $114.3045. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":14548,"source":{"system":"sec-edgar","filing":"0001209191-19-003077","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119003077/doc4.xml","form_type":"4"}},{"id":3698930,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-09T16:53:02.000Z","date":"2019-01-07","kind":"sale","acquired":false,"shares":424,"price":113.2898,"value":48034.8752,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The range in prices for the transaction reported on this line was $112.73 to $113.70. The average weighted price was $113.2898. The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":14767,"source":{"system":"sec-edgar","filing":"0001209191-19-003077","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119003077/doc4.xml","form_type":"4"}},{"id":3698927,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-09T16:48:43.000Z","date":"2019-01-03","kind":"sale","acquired":false,"shares":128,"price":100.32,"value":12840.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."}],"balance_after":15191,"source":{"system":"sec-edgar","filing":"0001209191-19-003072","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119003072/doc4a.xml","form_type":"4/A","original_submission_date":"2019-01-07"}},{"id":3698926,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-09T16:48:43.000Z","date":"2019-01-03","kind":"sale","acquired":false,"shares":228,"price":99.2721,"value":22634.0388,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The range in prices for the transaction reported on this line was $99.08 to $99.805.  The average weighted price was $99.2721.  The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":15319,"source":{"system":"sec-edgar","filing":"0001209191-19-003072","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119003072/doc4a.xml","form_type":"4/A","original_submission_date":"2019-01-07"}},{"id":3698925,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-09T16:48:43.000Z","date":"2019-01-03","kind":"sale","acquired":false,"shares":120,"price":98.3155,"value":11797.86,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The range in prices for the transaction reported on this line was $98.07 to $98.845.  The average weighted price was $98.3155.  The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":15547,"source":{"system":"sec-edgar","filing":"0001209191-19-003072","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119003072/doc4a.xml","form_type":"4/A","original_submission_date":"2019-01-07"}},{"id":3701767,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-07T16:39:07.000Z","date":"2019-01-03","kind":"sale","acquired":false,"shares":115,"price":100.32,"value":11536.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."}],"balance_after":15239,"source":{"system":"sec-edgar","filing":"0001209191-19-002552","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119002552/doc4.xml","form_type":"4"}},{"id":3701766,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-07T16:39:07.000Z","date":"2019-01-03","kind":"sale","acquired":false,"shares":205,"price":99.2734,"value":20351.047,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The range in prices for the transaction reported on this line was $99.08 to $99.805.  The average weighted price was $99.2734.  The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":15354,"source":{"system":"sec-edgar","filing":"0001209191-19-002552","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119002552/doc4.xml","form_type":"4"}},{"id":3701765,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2019-01-07T16:39:07.000Z","date":"2019-01-03","kind":"sale","acquired":false,"shares":108,"price":98.3142,"value":10617.9336,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The range in prices for the transaction reported on this line was $98.07 to $98.845.  The average weighted price was $98.3142.  The reporting person will provide, upon request by the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":15559,"source":{"system":"sec-edgar","filing":"0001209191-19-002552","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919119002552/doc4.xml","form_type":"4"}},{"id":3835802,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-08-22T06:32:54.000Z","date":"2018-08-20","kind":"sale","acquired":false,"shares":100,"price":158.1,"value":15810.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 87 shares that were acquired by the Reporting Person under the bluebird bio, Inc. employee stock purchase plan on July 31, 2018."}],"balance_after":15667,"source":{"system":"sec-edgar","filing":"0001209191-18-047884","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919118047884/doc4.xml","form_type":"4"}},{"id":3835801,"issuer":{"id":78923,"kind":"organization","name":"bluebird bio, Inc.","symbol":"BLUE"},"owners":[{"id":66863,"kind":"person","name":"FINGER ALISON CECILY","position":1,"cik":"0001731164","reported_name":"FINGER ALISON CECILY","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Commercial Officer"}}],"security":"Common Stock","published_at":"2018-08-22T06:32:54.000Z","date":"2018-08-20","kind":"sale","acquired":false,"shares":159,"price":158.05,"value":25129.95,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares were sold to cover tax withholding obligations incurred in connection with the vesting of Restricted Stock Units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 87 shares that were acquired by the Reporting Person under the bluebird bio, Inc. employee stock purchase plan on July 31, 2018."}],"balance_after":15767,"source":{"system":"sec-edgar","filing":"0001209191-18-047884","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1293971/000120919118047884/doc4.xml","form_type":"4"}}]}