# REGENERON PHARMACEUTICALS, INC. — SC TO-I

REGENERON PHARMACEUTICALS, INC. of TARRYTOWN, NY filed a SC TO-I with the SEC on 2004-12-03. Industry: Pharmaceutical Preparations.

## Filing

- Filed: 2004-12-03
- Form: SC TO-I
- Accession: 0000950123-04-014407
- Registrant: REGENERON PHARMACEUTICALS, INC.
- CIK: 0000872589
- Industry (SIC): Pharmaceutical Preparations (2834)
- State of incorporation: NY
- Location: TARRYTOWN, NY

## Documents (9)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | SC TO-I | ISSUER TENDER OFFER |
| 2 | EX-99.A.1.I | EX-99.A.1.I OFFER TO EXCHANGE |
| 3 | EX-99.A.1.II | EX-99.A.1.II FORM OF ELECTION FORM |
| 4 | EX-99.A.1.III | EX-99.A.1.III FORM OF NOTICE OF WITHDRAWAL |
| 5 | EX-99.A.1.IV | EX-99.A.1.IV FORM OF ACCEPTANCE LETTER |
| 6 | EX-99.A.1.V | EX-99.A.1.V FORM OF COMMUNICATION |
| 7 | EX-99.D.7 | EX-99.D.7 FORM OF REPLACEMENT OPTION AGREEMENT AND NOTICE OF GRANT OF REPLACEMEN |
| 8 | EX-99.D.8 | EX-99.D.8 FORM OF REPLACMENT OPTION AGREEMENT AND NOTICE OF GRANT OF REPLACEMENT |
| 9 | EX-99.D.9 | EX-99.D.9 FORM OF REPLACEMENT OPTION AGREEMENT AND NOTICE OF GRANT OF REPLACEMEN |

## Filing timeline for this registrant (60)

_Showing 12 of 60 filings._

| Filed | Form |
| --- | --- |
| [2026-04-24](https://search.stillhousedata.com/proxy/0001308179-26-000341) | DEFA14A |
| [2026-04-24](https://search.stillhousedata.com/proxy/0001308179-26-000340) | DEF 14A |
| [2025-04-29](https://search.stillhousedata.com/proxy/0001308179-25-000519) | DEFA14A |
| [2025-04-29](https://search.stillhousedata.com/proxy/0001308179-25-000518) | DEF 14A |
| [2025-04-07](https://search.stillhousedata.com/proxy/0001308179-25-000406) | PRE 14A |
| [2024-04-25](https://search.stillhousedata.com/proxy/0001308179-24-000578) | DEFA14A |
| [2024-04-25](https://search.stillhousedata.com/proxy/0001308179-24-000577) | DEF 14A |
| [2023-05-17](https://search.stillhousedata.com/proxy/0001104659-23-061817) | DEFA14A |
| [2023-04-21](https://search.stillhousedata.com/proxy/0001308179-23-000729) | DEFA14A |
| [2023-04-21](https://search.stillhousedata.com/proxy/0001308179-23-000728) | DEF 14A |
| [2022-04-21](https://search.stillhousedata.com/proxy/0000930413-22-000790) | DEFA14A |
| [2022-04-21](https://search.stillhousedata.com/proxy/0000930413-22-000789) | DEFA14A |

## More

- [CIK 872589 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=872589&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950123-04-014407.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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