REGENERON PHARMACEUTICALS, INC. Subsidiaries
Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (14 lists). Names and jurisdictions are as filed.
- 2026-02-04: Subsidiary Checkmate Pharmaceuticals, Inc.; Jurisdiction Delaware.
- 2026-02-04: Subsidiary Decibel Therapeutics, Inc.; Jurisdiction Delaware.
- 2026-02-04: Subsidiary Eastside Campus Holdings LLC; Jurisdiction New York.
- 2026-02-04: Subsidiary Loop Road Holdings LLC; Jurisdiction New York.
| Annual report filed | Subsidiary | Jurisdiction |
|---|---|---|
| 2026-02-04 | Checkmate Pharmaceuticals, Inc. | Delaware |
| 2026-02-04 | Decibel Therapeutics, Inc. | Delaware |
| 2026-02-04 | Eastside Campus Holdings LLC | New York |
| 2026-02-04 | Loop Road Holdings LLC | New York |
| 2026-02-04 | Old Saw Mill Holdings LLC | New York |
| 2026-02-04 | Oxular Acquisitions Limited | United Kingdom |
| 2026-02-04 | Oxular Inc. | Delaware |
| 2026-02-04 | Oxular Limited | United Kingdom |
| 2026-02-04 | Regeneron Assurance, Inc. | New York |
| 2026-02-04 | Regeneron Austria GmbH | Austria |
| 2026-02-04 | Regeneron Belgium SRL | Belgium |
| 2026-02-04 | Regeneron Canada Company | Canada |
| 2026-02-04 | Regeneron Clinical Genomics Laboratory LLC | Delaware |
| 2026-02-04 | Regeneron France SAS | France |
| 2026-02-04 | Regeneron Genetics Center LLC | Delaware |
| 2026-02-04 | Regeneron GmbH | Germany |
| 2026-02-04 | Regeneron Healthcare Solutions, Inc. | New York |
| 2026-02-04 | Regeneron India Private Limited | India |
| 2026-02-04 | Regeneron International Holdings LLC | Delaware |
| 2026-02-04 | Regeneron Ireland Designated Activity Company | Ireland |
| 2026-02-04 | Regeneron Italy S.r.l. | Italy |
| 2026-02-04 | Regeneron Japan KK | Japan |
| 2026-02-04 | Regeneron NL B.V. | The Netherlands |
| 2026-02-04 | Regeneron Spain, S.L.U. | Spain |
| 2026-02-04 | Regeneron Switzerland GmbH | Switzerland |
| 2026-02-04 | Regeneron UK Limited | United Kingdom |
| 2026-02-04 | Regeneron Ventures, L.P. | Delaware |
| 2026-02-04 | Rock County Holdings LLC | New York |
| 2026-02-04 | Rockwood Road Holdings LLC | New York |
| 2026-02-04 | RV Holding Corp. | Delaware |
| 2026-02-04 | _____________ |
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