Biogen Inc. (BIIB)
CIK 875045 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Biogen Inc..
Recent SEC filings
| Filed | Form | Accession number |
|---|---|---|
| Sep 3, 2026 | 4 | 0000875045-26-000082 |
| Aug 12, 2026 | 3 | 0000875045-26-000080 |
| Aug 6, 2026 | SCHEDULE 13G/A | 0000315066-26-001959 |
| Aug 5, 2026 | 4 | 0000875045-26-000076 |
| Aug 4, 2026 | 144 | 0001959173-26-005582 |
| Aug 3, 2026 | 144 | 0001959173-26-005518 |
| Jul 29, 2026 | 10-Q | 0000875045-26-000075 |
| Jul 29, 2026 | 8-K | 0000875045-26-000073 |
| Jul 1, 2026 | 8-K | 0000875045-26-000068 |
| Jun 11, 2026 | 4 | 0000875045-26-000052 |
| Jun 11, 2026 | 4 | 0000875045-26-000065 |
| Jun 11, 2026 | 4 | 0000875045-26-000062 |
| Jun 11, 2026 | 4 | 0000875045-26-000054 |
| Jun 11, 2026 | 4 | 0000875045-26-000055 |
| Jun 11, 2026 | 4 | 0000875045-26-000064 |
| Jun 11, 2026 | 4 | 0000875045-26-000059 |
| Jun 11, 2026 | 4 | 0000875045-26-000063 |
| Jun 11, 2026 | 4 | 0000875045-26-000060 |
| Jun 10, 2026 | 8-K/A | 0000950157-26-000699 |
| Jun 10, 2026 | 8-K | 0000950157-26-000700 |
| Jun 5, 2026 | SCHEDULE 13G/A | 0000315066-26-001417 |
| May 14, 2026 | 8-K | 0001193125-26-222908 |
| May 14, 2026 | SCHEDULE 13D/A | 0000950157-26-000611 |
| May 14, 2026 | SC TO-T/A | 0001193125-26-222837 |
| May 12, 2026 | SC TO-T/A | 0000950157-26-000594 |