Merck & Co., Inc. — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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144
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4
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424B2
424B3
424B5
425
5
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 424B5 | 424B5 | 0001628280-25-054305 | Dec 1, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-25-000061 | Nov 12, 2025 | Nov 10, 2025 |
| 13F-HR | — | 0000310158-25-000063 | Nov 12, 2025 | Sep 30, 2025 |
| 144 | — | 0001950047-25-008606 | Nov 10, 2025 | — |
| 10-Q | 3Q25 FORM 10-Q | 0000310158-25-000059 | Nov 5, 2025 | Sep 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0000310158-25-000056 | Nov 4, 2025 | Nov 3, 2025 |
| 144 | — | 0001950047-25-008368 | Nov 3, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-103974 | Oct 30, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-25-000053 | Oct 2, 2025 | Sep 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0000310158-25-000049 | Oct 2, 2025 | Sep 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0000310158-25-000051 | Oct 2, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0000310158-25-000047 | Sep 9, 2025 | — |
| 424B5 | 424B5 | 0000310158-25-000041 | Sep 4, 2025 | — |
| FWP | FWP | 0000310158-25-000031 | Sep 3, 2025 | — |
| 424B5 | 424B5 | 0000310158-25-000027 | Sep 2, 2025 | — |
| 13F-HR | — | 0001691304-25-000005 | Aug 13, 2025 | Jun 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0000310158-25-000010 | Aug 5, 2025 | Aug 4, 2025 |
| 4 | PRIMARY DOCUMENT | 0000310158-25-000012 | Aug 5, 2025 | Aug 4, 2025 |
| 10-Q | 2Q25 FORM 10-Q (6.30.25) | 0000310158-25-000014 | Aug 5, 2025 | Jun 30, 2025 |
| 8-K | FORM 8-K | 0001104659-25-071380 | Jul 29, 2025 | Jul 25, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-018465 | Jul 2, 2025 | Jun 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-018460 | Jul 2, 2025 | Jun 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-018463 | Jul 2, 2025 | Jun 30, 2025 |
| 11-K | 11-K MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN | 0001628280-25-033252 | Jun 27, 2025 | Dec 31, 2024 |
| 11-K | 11-K MERCK US SAVINGS PLAN | 0001628280-25-033255 | Jun 27, 2025 | Dec 31, 2024 |
| 11-K | 11-K MSD PUERTO RICO SAVINGS & SECURITY PLAN | 0001628280-25-033262 | Jun 27, 2025 | Dec 31, 2024 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016350 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016390 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016340 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016343 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016345 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016347 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016354 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016360 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016365 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016367 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016370 | Jun 3, 2025 | May 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-016373 | Jun 3, 2025 | May 30, 2025 |
| SD | FORM SD | 0001104659-25-054621 | May 30, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-054131 | May 29, 2025 | May 27, 2025 |
| 13F-HR | — | 0000064978-25-000005 | May 14, 2025 | Mar 31, 2025 |
| PX14A6G | NATIONAL LEGAL AND POLICY CENTER - PX14A6G | 0001096906-25-000695 | May 7, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001127602-25-013348 | May 5, 2025 | May 3, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-013174 | May 2, 2025 | Apr 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-013182 | May 2, 2025 | Apr 30, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-013190 | May 2, 2025 | Apr 30, 2025 |
| 10-Q | 1Q25 FORM 10-Q (3.31.25) | 0001628280-25-021834 | May 2, 2025 | Mar 31, 2025 |
| 4/A | PRIMARY DOCUMENT | 0001127602-25-013170 | May 2, 2025 | Apr 29, 2025 |
| 4/A | PRIMARY DOCUMENT | 0001127602-25-013165 | May 2, 2025 | Apr 29, 2025 |
| 4 | PRIMARY DOCUMENT | 0001127602-25-013057 | May 1, 2025 | Apr 29, 2025 |