FILINGS
| MRK 0000310158 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2026-03-12 | 3 | PRIMARY DOCUMENT | View Document |
| 2026-02-24 | 10-K | 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2025 | View Document |
| 2026-02-17 | 13F-HR | View Document | |
| 2026-02-13 | 144/A | View Document | |
| 2026-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-10 | 144 | View Document | |
| 2026-02-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-09 | 144 | View Document | |
| 2026-02-09 | 144 | View Document | |
| 2026-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 144 | View Document | |
| 2026-02-06 | 144 | View Document | |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 144 | View Document | |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-02-05 | 144 | View Document | |
| 2026-02-04 | 144 | View Document | |
| 2026-02-04 | 144 | View Document | |
| 2026-02-04 | 144 | View Document | |
| 2026-02-04 | 144 | View Document | |
| 2026-02-03 | 8-K | FORM 8-K | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-07 | SC TO-T/A | SC TO-T/A | View Document |
| 2026-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2026-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-12-19 | SC TO-T/A | SC TO-T/A | View Document |
| 2025-12-17 | SC TO-T/A | SC TO-T/A | View Document |
| 2025-12-05 | SC TO-T | SC TO-T | View Document |
| 2025-12-04 | 8-K | 8-K | View Document |
| 2025-12-03 | 424B5 | 424B5 | View Document |
| 2025-12-02 | FWP | FWP | View Document |
| 2025-12-01 | 424B5 | 424B5 | View Document |
| 2025-11-12 | 13F-HR | View Document | |
| 2025-11-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-11-10 | 144 | View Document | |
| 2025-11-05 | 10-Q | 3Q25 FORM 10-Q | View Document |
| 2025-11-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-11-03 | 144 | View Document | |
| 2025-10-30 | 8-K | FORM 8-K | View Document |
| 2025-10-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-10-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-10-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-09-09 | 8-K | 8-K | View Document |
| 2025-09-04 | 424B5 | 424B5 | View Document |
| 2025-09-03 | FWP | FWP | View Document |
| 2025-09-02 | 424B5 | 424B5 | View Document |
| 2025-08-13 | 13F-HR | View Document | |
| 2025-08-05 | 10-Q | 2Q25 FORM 10-Q (6.30.25) | View Document |
| 2025-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-08-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-07-29 | 8-K | FORM 8-K | View Document |
| 2025-07-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-07-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-07-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-27 | 11-K | 11-K MSD PUERTO RICO SAVINGS & SECURITY PLAN | View Document |
| 2025-06-27 | 11-K | 11-K MERCK US SAVINGS PLAN | View Document |
| 2025-06-27 | 11-K | 11-K MSD EMPLOYEE STOCK PURCHASE AND SAVINGS PLAN | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-06-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-05-30 | SD | FORM SD | View Document |
| 2025-05-29 | 8-K | FORM 8-K | View Document |
| 2025-05-14 | 13F-HR | View Document | |
| 2025-05-07 | PX14A6G | NATIONAL LEGAL AND POLICY CENTER - PX14A6G | View Document |
| 2025-05-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-05-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-05-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-05-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-05-02 | 4/A | PRIMARY DOCUMENT | View Document |
| 2025-05-02 | 10-Q | 1Q25 FORM 10-Q (3.31.25) | View Document |
| 2025-05-02 | 4/A | PRIMARY DOCUMENT | View Document |
| 2025-05-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2025-05-01 | 4 | PRIMARY DOCUMENT | View Document |
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