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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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001748 | Mar 27, 2026 | — |
| 3 | PRIMARY DOCUMENT | 0000310158-26-000070 | Mar 12, 2026 | Mar 2, 2026 |
| 10-K | 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2025 | 0000310158-26-000063 | Feb 24, 2026 | Dec 31, 2025 |
| 13F-HR | — | 0000310158-26-000055 | Feb 17, 2026 | Dec 31, 2025 |
| 144/A | — | 0001950047-26-001251 | Feb 13, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000052 | Feb 12, 2026 | — |
| 144 | — | 0001950047-26-001118 | Feb 10, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000050 | Feb 10, 2026 | — |
| 144 | — | 0001950047-26-001063 | Feb 9, 2026 | — |
| 144 | — | 0001950047-26-001062 | Feb 9, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000048 | Feb 9, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000046 | Feb 9, 2026 | — |
| 144 | — | 0001950047-26-001006 | Feb 6, 2026 | — |
| 144 | — | 0001950047-26-001005 | Feb 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000044 | Feb 6, 2026 | — |
| 144 | — | 0001950047-26-000996 | Feb 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000042 | Feb 6, 2026 | Feb 4, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000040 | Feb 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000038 | Feb 6, 2026 | Feb 4, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000036 | Feb 6, 2026 | Feb 4, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000034 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000032 | Feb 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000030 | Feb 6, 2026 | Feb 4, 2026 |
| 144 | — | 0001950047-26-000958 | Feb 5, 2026 | — |
| 144 | — | 0001950047-26-000938 | Feb 4, 2026 | — |
| 144 | — | 0001950047-26-000936 | Feb 4, 2026 | — |
| 144 | — | 0001950047-26-000935 | Feb 4, 2026 | — |
| 144 | — | 0001950047-26-000934 | Feb 4, 2026 | — |
| 8-K | FORM 8-K | 0001104659-26-009495 | Feb 3, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000028 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000026 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000024 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000022 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000020 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000018 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000016 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000014 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000012 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000010 | Jan 28, 2026 | Jan 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000008 | Jan 28, 2026 | Jan 26, 2026 |
| SC TO-T/A | SC TO-T/A | 0001193125-26-005513 | Jan 7, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000006 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000004 | Jan 5, 2026 | Dec 31, 2025 |
| 4 | PRIMARY DOCUMENT | 0000310158-26-000002 | Jan 5, 2026 | Dec 31, 2025 |
| SC TO-T/A | SC TO-T/A | 0001193125-25-326810 | Dec 19, 2025 | — |
| SC TO-T/A | SC TO-T/A | 0001193125-25-322941 | Dec 17, 2025 | — |
| SC TO-T | SC TO-T | 0001193125-25-309877 | Dec 5, 2025 | — |
| 8-K | 8-K | 0001628280-25-055388 | Dec 4, 2025 | — |
| 424B5 | 424B5 | 0001628280-25-055041 | Dec 3, 2025 | — |
| FWP | FWP | 0001628280-25-054565 | Dec 2, 2025 | — |