Generation Bio Co. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Cambridge, MA
SEC filing record 1 source field available
Fiscal year end
31 December
Generation Bio Co. has filed 526 SEC EDGAR filings since 05 Mar 2018

SEC filing history

Showing 26-50 of 526 matching filings.

Per page
25
Current page
2
S-8 POS File 333-284123

S-8 POS

Filing date
09 Feb 2026
Reporting date
Not listed
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S-8 POS File 333-287035

S-8 POS

Filing date
09 Feb 2026
Reporting date
Not listed
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SC 14D9/A File 005-91530

SC 14D9/A

Filing date
09 Feb 2026
Reporting date
Not listed
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SC TO-T/A File 005-91530

SC TO-T/A

Filing date
09 Feb 2026
Reporting date
Not listed
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25-NSE File 001-39319

25-NSE filing

Filing date
09 Feb 2026
Reporting date
Not listed
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SCHEDULE 13G File 005-91530

SCHEDULE 13G filing

Filing date
06 Feb 2026
Reporting date
Not listed
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4

4 filing

Filing date
04 Feb 2026
Reporting date
02 Feb 2026
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4

4 filing

Filing date
04 Feb 2026
Reporting date
02 Feb 2026
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4

4 filing

Filing date
04 Feb 2026
Reporting date
02 Feb 2026
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SC TO-T/A File 005-91530

SC TO-T/A

Filing date
30 Jan 2026
Reporting date
Not listed
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SC 14D9/A File 005-91530

SC 14D9/A

Filing date
30 Jan 2026
Reporting date
Not listed
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4

4 filing

Filing date
16 Jan 2026
Reporting date
15 Jan 2026
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4

4 filing

Filing date
16 Jan 2026
Reporting date
15 Jan 2026
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4

4 filing

Filing date
16 Jan 2026
Reporting date
15 Jan 2026
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SC TO-T/A File 005-91530

SC TO-T/A

Filing date
12 Jan 2026
Reporting date
Not listed
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SC 14D9 File 005-91530

SC 14D9

Filing date
09 Jan 2026
Reporting date
Not listed
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SC TO-C File 005-91530

SC TO-C

Filing date
16 Dec 2025
Reporting date
Not listed
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SC14D9C File 005-91530

SC14D9C

Filing date
15 Dec 2025
Reporting date
Not listed
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4

4 filing

Filing date
21 Nov 2025
Reporting date
31 Oct 2025
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SCHEDULE 13G/A File 005-91530

SCHEDULE 13G/A filing

Filing date
14 Nov 2025
Reporting date
Not listed
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SCHEDULE 13G File 005-91530

SCHEDULE 13G filing

Filing date
14 Nov 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A File 005-91530

SCHEDULE 13G/A filing

Filing date
14 Nov 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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