Form 8-K - Current report:
SEC Accession No. 0001558370-25-009290
Filing Date
2025-07-18
Accepted
2025-07-18 08:45:10
Documents
16
Period of Report
2025-07-18
Items
Item 3.03: Material Modifications to Rights of Security Holders
Item 5.03: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K gbio-20250718x8k.htm   iXBRL 8-K 42557
2 EX-3.1 gbio-20250718xex3d1.htm EX-3.1 11630
3 EX-99.1 gbio-20250718xex99d1.htm EX-99.1 15080
4 GRAPHIC gbio-20250718xex99d1001.jpg GRAPHIC 4332
  Complete submission text file 0001558370-25-009290.txt   200301

Data Files

Seq Description Document Type Size
5 EX-101.SCH gbio-20250718.xsd EX-101.SCH 4050
6 EX-101.DEF gbio-20250718_def.xml EX-101.DEF 2736
7 EX-101.LAB gbio-20250718_lab.xml EX-101.LAB 14515
8 EX-101.PRE gbio-20250718_pre.xml EX-101.PRE 11292
18 EXTRACTED XBRL INSTANCE DOCUMENT gbio-20250718x8k_htm.xml XML 4848
Mailing Address 301 BINNEY STREET CAMBRIDGE MA 02142
Business Address 301 BINNEY STREET CAMBRIDGE MA 02142 857-529-5908
Generation Bio Co. (Filer) CIK: 0001733294 (see all company filings)

EIN.: 814301281 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-39319 | Film No.: 251132678
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)