REGN · CIK 0000872589
REGENERON PHARMACEUTICALS, INC. (REGN) SEC Filings
Browse 2452 SEC filings for REGENERON PHARMACEUTICALS, INC., covering Jul 26, 1995 through Jul 7, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
2,452
Filed in the last 12 months
69
History covered
1995–2026
Latest filing
4
Latest important filings
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Latest annual report
10-K
Annual report · Feb 4, 2026
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10-Q
Quarterly report · Apr 29, 2026
Open original filingLatest company update
8-K
Results of operations · Jul 6, 2026
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50 filings
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| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | PRIMARY DOCUMENT | Jul 2, 2026 | Jul 7, 2026 |
| 8-K | Results of operations | Jul 6, 2026 | Jul 6, 2026 |
| 144 | Notice of proposed securities sale | — | Jul 2, 2026 |
| 8-K | Shareholder vote | Jun 12, 2026 | Jun 17, 2026 |
| 13F-HR | 13F-HR filing | Mar 31, 2026 | May 8, 2026 |
| 4 | PRIMARY DOCUMENT | May 1, 2026 | May 4, 2026 |
| SCHEDULE 13G | SCHEDULE 13G filing | — | Apr 30, 2026 |
| 10-Q | Quarterly report | Mar 31, 2026 | Apr 29, 2026 |
| 8-K | Results of operations | Apr 29, 2026 | Apr 29, 2026 |
| ARS | ARS filing | Dec 31, 2025 | Apr 24, 2026 |
| DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | — | Apr 24, 2026 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | Jun 12, 2026 | Apr 24, 2026 |
| 8-K | Results of operations | Apr 8, 2026 | Apr 8, 2026 |
| 4 | OWNERSHIP DOCUMENT | Apr 1, 2026 | Apr 3, 2026 |
| SCHEDULE 13G/A Amended | SCHEDULE 13G filing | — | Mar 27, 2026 |
| 4 | PRIMARY DOCUMENT | Mar 2, 2026 | Mar 3, 2026 |
| 4 | PRIMARY DOCUMENT | Feb 19, 2026 | Feb 23, 2026 |
| 144 | Notice of proposed securities sale | — | Feb 19, 2026 |
| 4 | PRIMARY DOCUMENT | Feb 9, 2026 | Feb 11, 2026 |
| 4 | PRIMARY DOCUMENT | Feb 9, 2026 | Feb 11, 2026 |
| 144 | Notice of proposed securities sale | — | Feb 9, 2026 |
| 144 | Notice of proposed securities sale | — | Feb 9, 2026 |
| 13F-HR | 13F-HR filing | Dec 31, 2025 | Feb 6, 2026 |
| 10-K | Annual report | Dec 31, 2025 | Feb 4, 2026 |
| 8-K | Results of operations | Jan 30, 2026 | Jan 30, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
41 filings
2025
57 filings
2024
184 filings
2023
141 filings
2022
127 filings
2021
114 filings
2020
147 filings
2019
63 filings
Sources and methodology
How this filing index is assembled and checked.
Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.
Index updated: 7/15/2026
For research and education only. Always review the original SEC filing before making a decision.