MRK · CIK 0000310158
Merck & Co., Inc. (MRK) SEC Filings
Browse 3005 SEC filings for Merck & Co., Inc., covering Mar 7, 1994 through Jul 1, 2026, organized by filing purpose with direct links to the original EDGAR documents.
Indexed filings
3,005
Filed in the last 12 months
134
History covered
1994–2026
Latest filing
4
Latest important filings
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Latest annual report
10-K
10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2025 · Feb 24, 2026
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10-Q
1Q26 FORM 10-Q · May 4, 2026
Open original filingLatest company update
8-K
Shareholder vote · May 28, 2026
Open original filingComplete filing history
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50 filings
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| Form | Description | Period ended | Filed |
|---|---|---|---|
| 4 | PRIMARY DOCUMENT | Jun 30, 2026 | Jul 1, 2026 |
| 4 | PRIMARY DOCUMENT | Jun 30, 2026 | Jul 1, 2026 |
| 4 | PRIMARY DOCUMENT | Jun 30, 2026 | Jul 1, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 24, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 24, 2026 |
| 11-K | Employee benefit plan annual report | Dec 31, 2025 | Jun 24, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| 4 | PRIMARY DOCUMENT | May 29, 2026 | Jun 2, 2026 |
| SD | Specialized disclosure report | — | May 29, 2026 |
| 8-K | Shareholder vote | May 26, 2026 | May 28, 2026 |
| 8-K | Other material event | May 22, 2026 | May 22, 2026 |
| 424B5 | 424B5 filing | — | May 20, 2026 |
| FWP | FWP filing | — | May 19, 2026 |
| 424B5 | 424B5 filing | — | May 18, 2026 |
| 13F-HR | 13F-HR filing | Mar 31, 2026 | May 13, 2026 |
Page 1 of 2
Recent filing activity
Annual filing counts derived from this company's SEC history.
2026
108 filings
2025
112 filings
2024
113 filings
2023
128 filings
2022
116 filings
2021
115 filings
2020
101 filings
2019
129 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.