0001562180-24-000366.txt : 20240109 0001562180-24-000366.hdr.sgml : 20240109 20240109160951 ACCESSION NUMBER: 0001562180-24-000366 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240105 FILED AS OF DATE: 20240109 DATE AS OF CHANGE: 20240109 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Baird William D III CENTRAL INDEX KEY: 0001547658 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40791 FILM NUMBER: 24523364 MAIL ADDRESS: STREET 1: C/O BLUEBIRD BIO, INC. STREET 2: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: 2seventy bio, Inc. CENTRAL INDEX KEY: 0001860782 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 863658454 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02210 BUSINESS PHONE: 339-499-9300 MAIL ADDRESS: STREET 1: 60 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02210 4 1 primarydocument.xml PRIMARY DOCUMENT X0508 4 2024-01-05 false 0001860782 2seventy bio, Inc. TSVT 0001547658 Baird William D III 60 BINNEY STREET CAMBRIDGE MA 02142 false true false false Chief Operating Officer false Common Stock 2024-01-05 4 S false 1380.00 3.7536 D 161335.00 D Common Stock 2024-01-08 4 A false 91000.00 0.00 A 252335.00 D Stock Option (Right to buy) 3.97 2024-01-08 4 A false 182000.00 0.00 A 2034-01-08 Common Stock 182000.00 182000.00 D Shares were sold to cover tax withholding obligations incurred in connection with the vesting of restricted stock units ("RSUs"). The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.675 to $3.83, inclusive. 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. RSU awards vest over a four-year period at the rate of 25% on 01/02/2025, 25% on 01/02/2026, 25% on 01/02/2027, and 25% on 01/02/2028. This stock option vests over a four-year period at the rate of 25% on 01/02/2025, and then in 36 equal monthly installments thereafter. /s/ Teresa Jurgensen, Attorney-in-Fact 2024-01-09