Merck & Co., Inc.
MRK
66 insider filings · Latest: Jun 30, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Feb 4, 2026 | Feb 4 9:38 PM | DALTON SMART | Proposed Sale | 6,400 | $119.68 | $765.9K | — | View → |
| Feb 4, 2026 | Feb 4 9:29 PM | ROBERT M. DAVIS | Proposed Sale | 47,434 | $118.02 | $5.6M | — | View → |
| Feb 4, 2026 | Feb 4 9:27 PM | DEAN LI | Proposed Sale | 15,087 | $118.77 | $1.8M | — | View → |
| Feb 4, 2026 | Feb 4 9:26 PM | CAROLINE A LITCHFIELD | Proposed Sale | 41,997 | $119.61 | $5.0M | — | View → |
| Nov 10, 2025 | Nov 10 9:07 PM | CRISTAL DOWNING | Proposed Sale | 7,085 | $87.00 | $616.4K | — | View → |
| Nov 3, 2025 | Nov 3 9:09 PM | DAVID WILLIAMS | Proposed Sale | 8,614 | $83.59 | $720.0K | — | View → |
| Apr 25, 2025 | Apr 25 8:05 PM | DALTON SMART | Proposed Sale | 4,262 | $82.76 | $352.7K | — | View → |
| Feb 19, 2025 | Feb 19 10:09 PM | JOHANNES JACOBUS OOSTHUIZEN | Proposed Sale | 8,500 | $84.09 | $714.7K | — | View → |
| Feb 13, 2025 | Feb 13 9:10 PM | DAVID WILLIAMS | Proposed Sale | 6,000 | $85.34 | $512.1K | — | View → |
| Feb 6, 2025 | Feb 6 9:43 PM | CRISTAL DOWNING | Proposed Sale | 2,361 | $88.76 | $209.6K | — | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Apr 29, 2026 | May 1 9:38 PM | Robert M DavisDirector, Chairman, CEO & President | Option Exercise | 13,300 | — | 26,601(D) | View → |
| Apr 29, 2026 | May 1 9:34 PM | Johannes Jacobus OosthuizenEVP, Oncology & Int?l | Option Exercise | 1,377 | — | 2,755(D) | View → |
| Mar 31, 2026 | Apr 1 5:47 PM | Christine E SeidmanDirector | Grant/Award | 67.545 | — | 19,238.328(D) | View → |
| Mar 31, 2026 | Apr 1 5:44 PM | Thomas H GlocerDirector | Grant/Award | 405.271 | — | 108,293.493(D) | View → |
| Mar 31, 2026 | Apr 1 5:42 PM | Mary Ellen CoeDirector | Grant/Award | 249.397 | — | 29,702.652(D) | View → |
| Feb 9, 2026 | Feb 9 9:01 PM | Jennifer ZacharyEVP, General Counsel | Option Exercise | 121,573 | $87.10 | 0(D) | View → |
| Feb 6, 2026 | Feb 6 9:20 PM | David Michael WilliamsEVP,Chief Info&Digital Officer | Option Exercise | 5,000 | — | 4,600(D) | View → |
| Feb 4, 2026 | Feb 6 9:18 PM | Dalton E. Smart IIISVP Fin. - Global Controller | Option Exercise | 4,000 | $62.07 | 8,130(D) | View → |
| Feb 4, 2026 | Feb 6 9:13 PM | Caroline LitchfieldEVP & CFO | Option Exercise | 41,997 | — | 0(D) | View → |
| Feb 4, 2026 | Feb 6 9:12 PM | Dean Y LiExecutive VP & President, MRL | Option Exercise | 15,087 | — | 0(D) | View → |
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