Regeneron Pharmaceuticals, Inc. (REGN) SEC filings and CIK.
REGN’s SEC Central Index Key (CIK) is 0000872589, or 872589 without leading zeros. The SEC’s ticker file lists it as REGENERON PHARMACEUTICALS, INC..
- Ticker
- REGN
- CIK
- 0000872589
- Other tickers
- None
- Insider transactions, Q3 2026
- 13
Insider trading
In Q3 2026, insiders at Regeneron Pharmaceuticals, Inc. reported 13 non-derivative transactions on 7 Forms 3, 4 and 5, including 0 open-market purchases and 6 sales. See every REGN insider transaction →
Recent filings we observed
| Filed | Form | Accession |
|---|---|---|
| 2026-10-30 | 8-K | 0000872589-26-000032 |
| 2026-10-30 | 144 | 0001969223-26-001109 |
| 2026-10-30 | 144 | 0001969223-26-001108 |
| 2026-10-30 | 144 | 0001950047-26-010507 |
| 2026-10-30 | 10-Q | 0000872589-26-000034 |
Get REGN SEC data through the API
curl "https://sec-api.dev/api/v1/filings?cik=872589&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/companies/872589" \
-H "Authorization: Bearer $SEC_API_KEY"curl "https://sec-api.dev/api/v1/facts/872589?taxonomy=us-gaap&concept=Revenues&limit=10" \
-H "Authorization: Bearer $SEC_API_KEY"Ticker to CIK API · SEC filings API · Regeneron Pharmaceuticals, Inc. on SEC.gov
Questions
What is REGN’s CIK number?
REGN’s SEC Central Index Key (CIK) is 0000872589, or 872589 without leading zeros. The SEC’s ticker file lists it as REGENERON PHARMACEUTICALS, INC..
How do I find Regeneron Pharmaceuticals, Inc.’s 10-K?
Request /api/v1/filings?cik=872589&form=10-K, or open the company’s EDGAR page and filter by 10-K. Foreign issuers file 20-F or 40-F instead.
Plain-text version for agents and LLMs: /companies/regn.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.