# BIOGEN INC. — SC TO-I

BIOGEN INC. of CAMBRIDGE, MA filed a SC TO-I with the SEC on 2007-05-30. Industry: Biological Products, (No Diagnostic Substances).

## Filing

- Filed: 2007-05-30
- Form: SC TO-I
- Accession: 0000950135-07-003417
- Registrant: BIOGEN INC.
- CIK: 0000875045
- Industry (SIC): Biological Products, (No Diagnostic Substances) (2836)
- State of incorporation: DE
- Location: CAMBRIDGE, MA

## Documents (12)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | SC TO-I | BIOGEN IDEC INC. |
| 2 | EX-99.(A)(1)(A) | EX-(A)(1)(A) OFFER TO PURCHASE DATED MAY 30, 2007 |
| 3 | EX-99.(A)(1)(B) | EX-(A)(1)(B) FORM OF LETTER OF TRANSMITTAL |
| 4 | EX-99.(A)(1)(C) | EX-(A)(1)(C) FORM OF NOTICE OF GUARANTEED DELIVERY |
| 5 | EX-99.(A)(1)(D) | EX-(A)(1)(D) FORM OF BROKER DEALER LETTER |
| 6 | EX-99.(A)(1)(E) | EX-(A)(1)(E) FORM OF LETTER TO CLIENTS |
| 7 | EX-99.(A)(1)(F) | EX-(A)(1)(F) PRESS RELEASE ISSUED ON MAY 29, 2007 |
| 8 | EX-99.(A)(1)(G) | EX-(A)(1)(G) FORM OF SUMMARY ADVERTISEMENT |
| 9 | EX-99.(B) | EX-(B) TERM LOAN COMMITMENT LETTER |
| 10 | GRAPHIC | GRAPHIC |
| 11 | GRAPHIC | GRAPHIC |
| 12 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-04-28](https://search.stillhousedata.com/proxy/0001193125-26-187383) | DEFA14A |
| [2026-04-28](https://search.stillhousedata.com/proxy/0001193125-26-187303) | DEF 14A |
| [2025-06-02](https://search.stillhousedata.com/proxy/0001193125-25-132885) | DEFA14A |
| [2025-04-28](https://search.stillhousedata.com/proxy/0001193125-25-097749) | DEFA14A |
| [2025-04-28](https://search.stillhousedata.com/proxy/0001193125-25-097747) | DEF 14A |
| [2024-04-26](https://search.stillhousedata.com/proxy/0001193125-24-118335) | DEFA14A |
| [2024-04-26](https://search.stillhousedata.com/proxy/0001193125-24-118313) | DEF 14A |
| [2024-04-12](https://search.stillhousedata.com/proxy/0001193125-24-094828) | PRE 14A |
| [2023-07-31](https://search.stillhousedata.com/proxy/0001193125-23-198545) | DEFA14A |
| [2023-07-28](https://search.stillhousedata.com/proxy/0001193125-23-196809) | DEFA14A |
| [2023-06-13](https://search.stillhousedata.com/proxy/0001193125-23-165725) | DEFA14A |
| [2023-06-13](https://search.stillhousedata.com/proxy/0001193125-23-165722) | DEFR14A |

## More

- [CIK 875045 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=875045&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950135-07-003417.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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