Company · CIK 875045

# BIOGEN INC.

| CIK | [875045](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000875045) (SEC EDGAR) |
| --- | --- |
| Industry (SIC) | 2836 — Biological Products, (No Diagnostic Substances) |
| Incorporated in | DE |
| Business address | MA |
| Listed | BIIB (Nasdaq) |
| First annual or quarterly report | 1996-06-06 |

## Offerings

 4 registrations

| Registration | Label and status | First filed | Last event | Filings |
| --- | --- | --- | --- | --- |
| 333-286915 | Shelf Effective | 2025-05-01 | 2025-05-01 | 1 |
| 333-237819 | Shelf Effective | 2020-04-24 | 2020-04-24 | 1 |
| 333-206799 | Shelf Effective | 2015-09-08 | 2015-09-08 | 1 |
| 333-149379 | Shelf Effective | 2008-02-26 | 2008-02-26 | 1 |

## Filings

 6

| Filed | Filing | Registration | Accession |
| --- | --- | --- | --- |
| 2025-05-01 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/875045/000119312525110133/0001193125-25-110133-index.htm) Shelf registered | 333-286915 | 0001193125-25-110133 |
| 2022-07-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/875045/999999999522002032/9999999995-22-002032-index.htm) Declared effective | 333-265023 | 9999999995-22-002032 |
| 2022-05-26 | [EFFECT](https://www.sec.gov/Archives/edgar/data/875045/999999999522001606/9999999995-22-001606-index.htm) Declared effective | 333-265023 | 9999999995-22-001606 |
| 2020-04-24 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/875045/000119312520118235/0001193125-20-118235-index.htm) Shelf registered | 333-237819 | 0001193125-20-118235 |
| 2015-09-08 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/875045/000119312515313652/0001193125-15-313652-index.htm) Shelf registered | 333-206799 | 0001193125-15-313652 |
| 2008-02-26 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/875045/000095013508001194/0000950135-08-001194-index.htm) Shelf registered | 333-149379 | 0000950135-08-001194 |

[All filings of this company](https://equitycapital.markets/filings?cik=875045) · [CSV](https://equitycapital.markets/filings.csv?cik=875045)

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Source page: https://equitycapital.markets/company/875045 · Data: U.S. SEC EDGAR · CC BY 4.0