Merck & Co., Inc. SEC filings MRK
Merck & Co., Inc. has 1,007 filings in SEC EDGAR's recent list, going back to May 29, 2018. Its latest annual report, Form ARS, was filed on Apr 8, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B5 | Prospectus supplement | May 20, 2026 | — |
| FWP | Free writing prospectus | May 19, 2026 | — |
| 424B5 | Prospectus supplement | May 18, 2026 | — |
| 424B5 | Prospectus supplement | Dec 3, 2025 | — |
| FWP | Free writing prospectus | Dec 2, 2025 | — |
| 424B5 | Prospectus supplement | Dec 1, 2025 | — |
| 424B5 | Prospectus supplement | Sep 4, 2025 | — |
| FWP | Free writing prospectus | Sep 3, 2025 | — |
| 424B5 | Prospectus supplement | Sep 2, 2025 | — |
| 424B5 | Prospectus supplement | May 20, 2024 | — |
| FWP | Free writing prospectus | May 16, 2024 | — |
| 424B5 | Prospectus supplement | May 15, 2024 | — |
| S-3ASR | Automatic shelf registration | Mar 19, 2024 | — |
| S-3ASR | Automatic shelf registration | Mar 19, 2024 | — |
| 424B5 | Prospectus supplement | May 10, 2023 | — |
| FWP | Free writing prospectus | May 9, 2023 | — |
| 424B5 | Prospectus supplement | May 8, 2023 | — |
| 424B5 | Prospectus supplement | Dec 9, 2021 | — |
| FWP | Free writing prospectus | Dec 8, 2021 | — |
| 424B5 | Prospectus supplement | Dec 7, 2021 | — |
| S-3ASR | Automatic shelf registration | Mar 25, 2021 | — |
| S-3ASR | Automatic shelf registration | Mar 25, 2021 | — |
| 424B5 | Prospectus supplement | Jun 18, 2020 | — |
| FWP | Free writing prospectus | Jun 16, 2020 | — |
| 424B5 | Prospectus supplement | Jun 16, 2020 | — |
| S-8 | Employee stock plan registration | Aug 12, 2019 | — |
| 424B5 | Prospectus supplement | Mar 6, 2019 | — |
| FWP | Free writing prospectus | Mar 6, 2019 | — |
| 424B5 | Prospectus supplement | Mar 5, 2019 | — |
Showing 29 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- MRK (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- NJ
- Headquarters
- Rahway, NJ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 310158
- Former names
- Merck & Co. Inc. (until Dec 9, 2014); SCHERING PLOUGH CORP (until Oct 29, 2009)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.