# Filing Detail

Form ARS - Annual Report to Security Holders:
SEC Accession No. 0001558370-25-005268
Filing Date
2025-04-23
Accepted
2025-04-23 16:17:08
Documents
1
Period of Report
2024-12-31
Effectiveness Date
2025-04-23

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | ARS | gbio-20241231xars.pdf | ARS | 3995617
| Complete submission text file | 0001558370-25-005268.txt |  | 5504264

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: ARS | Act: 34 | File No.: 001-39319 | Film No.: 25861718
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)