Insider Trades
SEC Form 4 filings — transactions by corporate insiders.
44 total trades for MRK
| Ticker | Insider | Type | Date | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| MRK | Mary Ellen Coe | Grant | 2026-09-30 | 206.455 | $30K | SEC ↗ |
| MRK | Surendralal Lanca Karsanbhai | Grant | 2026-09-30 | 111.83 | $16K | SEC ↗ |
| MRK | Christine E Seidman | Grant | 2026-09-30 | 55.915 | $8K | SEC ↗ |
| MRK | Chirfi Guindo | Sale | 2026-08-13 | 10,000 | $1.4M | SEC ↗ |
| MRK | Jennifer Zachary | Exercise | 2026-08-12 | 41,494 | $6.0M | SEC ↗ |
| MRK | Jennifer Zachary | Sale | 2026-08-12 | 80,315 | $10.7M | SEC ↗ |
| MRK | Richard R. Deluca | Sale | 2026-08-12 | 11,699 | $1.5M | SEC ↗ |
| MRK | Richard R. Deluca | Sale | 2026-08-11 | 12,837 | $1.7M | SEC ↗ |
| MRK | Richard R. Deluca | Sale | 2026-08-10 | 20,784 | $2.7M | SEC ↗ |
| MRK | Richard R. Deluca | Sale | 2026-08-06 | 6,050 | $789K | SEC ↗ |
| MRK | Chirfi Guindo | Sale | 2026-08-06 | 15,000 | $2.0M | SEC ↗ |
| MRK | David Michael Williams | Exercise | 2026-08-05 | 34,705 | $3.9M | SEC ↗ |
| MRK | David Michael Williams | Sale | 2026-08-05 | 52,847 | $6.8M | SEC ↗ |
| MRK | David R. Maraldo | Exercise | 2026-08-05 | 9,709 | $1.5M | SEC ↗ |
| MRK | David R. Maraldo | Sale | 2026-08-05 | 18,706 | $2.4M | SEC ↗ |
| MRK | Mary Ellen Coe | Grant | 2026-06-30 | 233.463 | $30K | SEC ↗ |
| MRK | Surendralal Lanca Karsanbhai | Grant | 2026-06-30 | 126.459 | $16K | SEC ↗ |
| MRK | Christine E Seidman | Grant | 2026-06-30 | 63.23 | $8K | SEC ↗ |
| MRK | Douglas M Baker JR | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Pamela J. Craig | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Thomas H Glocer | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Risa J Lavizzo-Mourey | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Stephen Mayo | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Paul Rothman | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Patricia F Russo | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Christine E Seidman | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Inge G Thulin | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Mary Ellen Coe | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Surendralal Lanca Karsanbhai | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Kathy J Warden | Grant | 2026-05-29 | 1,853.1 | $220K | SEC ↗ |
| MRK | Chirfi Guindo | Grant | 2026-05-05 | 26,030 | — | SEC ↗ |
| MRK | Dalton E. Smart III | Grant | 2026-05-05 | 7,343 | — | SEC ↗ |
| MRK | Johannes Jacobus Oosthuizen | Grant | 2026-05-05 | 41,649 | — | SEC ↗ |
| MRK | David R. Maraldo | Grant | 2026-05-05 | 29,155 | — | SEC ↗ |
| MRK | Brian Foard | Grant | 2026-05-05 | 77,000 | — | SEC ↗ |
| MRK | Robert M Davis | Grant | 2026-05-05 | 187,421 | — | SEC ↗ |
| MRK | Richard R. Deluca | Grant | 2026-05-05 | 46,855 | — | SEC ↗ |
| MRK | Betty D Larson | Grant | 2026-05-05 | 31,237 | — | SEC ↗ |
| MRK | Dean Y Li | Grant | 2026-05-05 | 78,092 | — | SEC ↗ |
| MRK | Caroline Litchfield | Grant | 2026-05-05 | 62,474 | — | SEC ↗ |
| MRK | David Michael Williams | Grant | 2026-05-05 | 18,222 | — | SEC ↗ |
| MRK | Jennifer Zachary | Grant | 2026-05-05 | 47,376 | — | SEC ↗ |
| MRK | Dalton E. Smart III | Exercise | 2026-05-02 | 383 | $43K | SEC ↗ |
| MRK | Dalton E. Smart III | Tax Withhold | 2026-05-02 | 132 | $15K | SEC ↗ |