MRK Merck & Co.
NYSE · SEC CIK 310158 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $72.01M 21 sales by 11 insiders
- Filings on record
- 398 since 2021-07-02, latest 2026-08-13 17:02
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Zachary Jennifer | EVP, GC | — | $25.20M |
| DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | — | $11.29M |
| Guindo Chirfi | EVP, Access, Policy, Comms | — | $8.15M |
| Williams David Michael | EVP, Chief Info, Digital Off | — | $8.13M |
| Davis Robert M | COB, CEO, Pres, Dir | — | $5.60M |
| Litchfield Caroline | EVP, CFO | — | $5.02M |
| Li Dean Y | Pres, Executive VP, MRL | — | $2.99M |
| Maraldo David R. | EVP, Pres. MMD | — | $2.41M |
| Oosthuizen Johannes Jacobus | Pres, U.S. Market | — | $1.83M |
| Smart Dalton E. III | SVP Fin. - Gbl Ctrl | — | $766.0K |
Transactions 310
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2024-05-06 | 2024-05-04 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | F - Tax | $127.51 | -437 | 23.6K | -2% | -$55.7K |
| D | 2024-05-06 | 2024-05-04 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | M - OptEx | $127.51 | +887 | 24.1K | +4% | +$113.1K |
| D | 2024-05-06 | 2024-05-04 | MRK | DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | M - OptEx | $127.51 | +27.1K | 163.7K | +20% | +$3.46M |
| D | 2024-05-06 | 2024-05-04 | MRK | DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | F - Tax | $127.51 | -13.4K | 150.4K | -8% | -$1.70M |
| D | 2024-05-06 | 2024-05-04 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | F - Tax | $127.51 | -450 | 23.8K | -2% | -$57.4K |
| D | 2024-05-06 | 2024-05-04 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | M - OptEx | $127.51 | +912 | 24.3K | +4% | +$116.3K |
| DM | 2024-05-06 | 2024-05-03+ | MRK | Smart Dalton | SVP Fin. - Gbl Ctrl | M - OptEx | $128.09 | +2,658 | 4,708 | +130% | +$340.5K |
| DM | 2024-05-06 | 2024-05-03+ | MRK | Smart Dalton | SVP Fin. - Gbl Ctrl | F - Tax | $128.06 | -1,147 | 4,118 | -22% | -$146.9K |
| D | 2024-05-02 | 2024-05-02 | MRK | Romanelli Joseph | Pres, Human Health Int?l | M - OptEx | $128.80 | +2,262 | 21.8K | +12% | +$291.3K |
| D | 2024-05-02 | 2024-05-02 | MRK | Romanelli Joseph | Pres, Human Health Int?l | F - Tax | $128.80 | -1,115 | 20.7K | -5% | -$143.6K |
| D | 2024-05-02 | 2024-05-02 | MRK | Smart Dalton | SVP Fin. - Gbl Ctrl | M - OptEx | $128.80 | +381 | 3,048 | +14% | +$49.1K |
| D | 2024-05-02 | 2024-05-02 | MRK | Smart Dalton | SVP Fin. - Gbl Ctrl | F - Tax | $128.80 | -131 | 2,917 | -4% | -$16.9K |
| D | 2024-02-15 | 2024-02-14 | MRK | Litchfield Caroline | EVP, CFO | M - OptEx | $58.08 | +38.3K | 89.2K | +75% | +$2.22M |
| D | 2024-02-15 | 2024-02-14 | MRK | Litchfield Caroline | EVP, CFO | S - Sale+OE | $125.50 | -38.3K | 50.9K | -43% | -$4.81M |
| DM | 2024-02-15 | 2024-02-13+ | MRK | Davis Robert M | COB, CEO, Pres, Dir | M - OptEx | $74.02 | +235.0K | 389.8K | +152% | +$17.40M |
| DM | 2024-02-15 | 2024-02-13+ | MRK | Davis Robert M | COB, CEO, Pres, Dir | S - Sale+OE | $125.68 | -235.0K | 373.7K | -39% | -$29.54M |
| 2024-02-14 | 2024-02-13 | MRK | Romanelli Joseph | Pres, Human Health Int?l | S - Sale | $124.89 | -1,000 | 19.6K | -5% | -$124.9K | |
| D | 2024-02-12 | 2024-02-09 | MRK | Li Dean Y | Pres, Executive VP, MRL | M - OptEx | $62.07 | +14.7K | 60.9K | +32% | +$912.6K |
| D | 2024-02-12 | 2024-02-09 | MRK | Li Dean Y | Pres, Executive VP, MRL | S - Sale+OE | $125.50 | -14.7K | 46.2K | -24% | -$1.85M |
| 2024-02-08 | 2024-02-07 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | S - Sale | $127.57 | -1,451 | 19.8K | -7% | -$185.1K | |
| DM | 2024-02-05 | 2024-02-02 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | M - OptEx | $78.80 | +20.9K | 42.3K | +98% | +$1.65M |
| D | 2024-02-05 | 2024-02-02 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | S - Sale+OE | $127.18 | -19.0K | 23.3K | -45% | -$2.41M |
| D | 2024-02-02 | 2024-02-02 | MRK | Zachary Jennifer | EVP, GC | S - Sale+OE | $126.97 | -49.5K | 29.1K | -63% | -$6.28M |
| D | 2024-02-02 | 2024-02-02 | MRK | Zachary Jennifer | EVP, GC | M - OptEx | $87.10 | +19.4K | 78.6K | +33% | +$1.69M |
| DM | 2024-02-02 | 2024-02-02 | MRK | MIZELL STEVEN | EVP, Chief HR Off | M - OptEx | $73.65 | +33.0K | 74.3K | +80% | +$2.43M |
| D | 2024-02-02 | 2024-02-02 | MRK | MIZELL STEVEN | EVP, Chief HR Off | S - Sale+OE | $126.65 | -50.7K | 23.6K | -68% | -$6.42M |
| 2024-01-24 | 2024-01-22 | MRK | Chattopadhyay Sanat | Exe V-P, Pres. MMD | A - Grant | $119.43 | +26.7K | 26.7K | New | +$3.19M | |
| 2024-01-24 | 2024-01-22 | MRK | Davis Robert M | COB, CEO, Pres, Dir | A - Grant | $119.43 | +76.5K | 348.3K | +28% | +$9.14M | |
| 2024-01-24 | 2024-01-22 | MRK | Li Dean Y | Pres, Executive VP, MRL | A - Grant | $119.43 | +25.8K | 46.2K | +126% | +$3.08M | |
| 2024-01-24 | 2024-01-22 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | A - Grant | $119.43 | +3,896 | 23.1K | +20% | +$465.3K | |
| 2024-01-24 | 2024-01-22 | MRK | MIZELL STEVEN | EVP, Chief HR Off | A - Grant | $119.43 | +18.4K | 41.3K | +80% | +$2.20M | |
| 2024-01-24 | 2024-01-22 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | A - Grant | $119.43 | +10.2K | 21.3K | +92% | +$1.22M | |
| 2024-01-24 | 2024-01-22 | MRK | DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | A - Grant | $119.43 | +23.3K | 135.8K | +21% | +$2.78M | |
| 2024-01-24 | 2024-01-22 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | A - Grant | $119.43 | +3,133 | 21.3K | +17% | +$374.2K | |
| 2024-01-24 | 2024-01-22 | MRK | Zachary Jennifer | EVP, GC | A - Grant | $119.43 | +23.3K | 59.1K | +65% | +$2.78M | |
| 2024-01-24 | 2024-01-22 | MRK | Smart Dalton | SVP Fin. - Gbl Ctrl | A - Grant | $119.43 | +2,661 | 2,667 | +42,576% | +$317.8K | |
| 2024-01-24 | 2024-01-22 | MRK | Litchfield Caroline | EVP, CFO | A - Grant | $119.43 | +19.2K | 50.9K | +61% | +$2.29M | |
| 2023-11-13 | 2023-11-09 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | S - Sale | $102.38 | -2,081 | 18.2K | -10% | -$213.1K | |
| 2023-11-09 | 2023-11-08 | MRK | DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | S - Sale | $105.03 | -43.8K | 111.8K | -28% | -$4.60M | |
| D | 2023-10-31 | 2023-10-30 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | F - Tax | $102.82 | -451 | 20.3K | -2% | -$46.4K |
| D | 2023-10-31 | 2023-10-30 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | M - OptEx | $102.82 | +915 | 20.7K | +5% | +$94.1K |
| 2023-08-15 | 2023-08-14 | MRK | MIZELL STEVEN | EVP, Chief HR Off | S - Sale | $109.01 | -4,250 | 22.9K | -16% | -$463.3K | |
| 2023-08-04 | 2023-08-03 | MRK | MIZELL STEVEN | EVP, Chief HR Off | S - Sale | $105.49 | -4,500 | 27.2K | -14% | -$474.7K | |
| D | 2023-08-04 | 2023-08-03 | MRK | Guindo Chirfi | CMO | M - OptEx | $105.70 | +36.9K | 38.3K | +2,561% | +$3.90M |
| D | 2023-08-04 | 2023-08-03 | MRK | Guindo Chirfi | CMO | F - Tax | $105.70 | -18.0K | 20.4K | -47% | -$1.90M |
| I | 2023-08-03 | 2023-08-02 | MRK | Romanelli Joseph | Pres, Human Health Int?l | S - Sale | $107.37 | -59 | 0 | -100% | -$6,335 |
| 2023-08-03 | 2023-08-02 | MRK | Romanelli Joseph | Pres, Human Health Int?l | S - Sale | $107.37 | -30 | 20.6K | -0.1% | -$3,221 | |
| M | 2023-06-30 | 2022-12-05+ | MRK | Romanelli Joseph | Pres, Human Health Int?l | P - Purchase | $108.19 | +350 | 20.5K | +2% | +$37.9K |
| 2023-06-30 | 2023-03-24 | MRK | Romanelli Joseph | Pres, Human Health Int?l | S - Sale | $104.65 | -35 | 20.6K | -0.2% | -$3,663 | |
| I | 2023-06-30 | 2022-12-02 | MRK | Romanelli Joseph | Pres, Human Health Int?l | P - Purchase | $109.67 | +59 | 59 | New | +$6,471 |
| D | 2023-05-05 | 2023-05-04 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | M - OptEx | $118.22 | +885 | 19.5K | +5% | +$104.6K |
| D | 2023-05-05 | 2023-05-04 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | F - Tax | $118.22 | -436 | 19.0K | -2% | -$51.5K |
| D | 2023-05-05 | 2023-05-04 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | M - OptEx | $118.22 | +907 | 20.2K | +5% | +$107.2K |
| D | 2023-05-05 | 2023-05-04 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | F - Tax | $118.22 | -447 | 19.8K | -2% | -$52.8K |
| DM | 2023-05-05 | 2023-05-03 | MRK | MIZELL STEVEN | EVP, Chief HR Off | S - Sale+OE | $119.01 | -53.4K | 60.1K | -47% | -$6.36M |
| DM | 2023-05-05 | 2023-05-03 | MRK | MIZELL STEVEN | EVP, Chief HR Off | M - OptEx | $75.55 | +52.0K | 61.1K | +572% | +$3.93M |
| 2023-05-05 | 2023-05-04 | MRK | Zachary Jennifer | EVP, GC | S - Sale | $117.59 | -19.1K | 35.1K | -35% | -$2.25M | |
| DM | 2023-05-05 | 2023-05-03+ | MRK | Karachun Rita A | SVP Fince-Gbl Ctrl | M - OptEx | $67.64 | +17.6K | 61.6K | +40% | +$1.19M |
| DM | 2023-05-05 | 2023-05-03+ | MRK | Karachun Rita A | SVP Fince-Gbl Ctrl | F - Tax | $118.07 | -602 | 45.7K | -1% | -$71.1K |
| D | 2023-05-05 | 2023-05-04 | MRK | Karachun Rita A | SVP Fince-Gbl Ctrl | S - Sale+OE | $117.53 | -15.9K | 45.7K | -26% | -$1.87M |
| DM | 2023-05-05 | 2023-05-03+ | MRK | LeCointe-Cephas Lisa | SVP Chief Ethics, Com Off | F - Tax | $118.07 | -515 | 5,142 | -9% | -$60.8K |
| DM | 2023-05-05 | 2023-05-03+ | MRK | LeCointe-Cephas Lisa | SVP Chief Ethics, Com Off | M - OptEx | $118.07 | +1,502 | 5,421 | +38% | +$177.3K |
| D | 2023-05-03 | 2023-05-01 | MRK | Karachun Rita A | SVP Fince-Gbl Ctrl | M - OptEx | $115.47 | +930 | 44.9K | +2% | +$107.4K |
| D | 2023-05-03 | 2023-05-01 | MRK | Karachun Rita A | SVP Fince-Gbl Ctrl | F - Tax | $115.47 | -319 | 44.6K | -0.7% | -$36.8K |
| D | 2023-05-03 | 2023-05-01 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | M - OptEx | $115.47 | +866 | 19.7K | +5% | +$100.0K |
| D | 2023-05-03 | 2023-05-01 | MRK | Oosthuizen Johannes Jacobus | Pres, U.S. Market | F - Tax | $115.47 | -427 | 19.3K | -2% | -$49.3K |
| D | 2023-05-03 | 2023-05-01 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | M - OptEx | $115.47 | +866 | 18.9K | +5% | +$100.0K |
| D | 2023-05-03 | 2023-05-01 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | F - Tax | $115.47 | -427 | 18.6K | -2% | -$49.3K |
| D | 2023-05-03 | 2023-05-01 | MRK | Li Dean Y | Pres, Executive VP, MRL | F - Tax | $115.47 | -524 | 20.5K | -2% | -$60.5K |
| D | 2023-05-03 | 2023-05-01 | MRK | Li Dean Y | Pres, Executive VP, MRL | M - OptEx | $115.47 | +1,062 | 21.0K | +5% | +$122.6K |
| D | 2023-05-03 | 2023-05-01 | MRK | Litchfield Caroline | EVP, CFO | M - OptEx | $115.47 | +866 | 32.1K | +3% | +$100.0K |
| D | 2023-05-03 | 2023-05-01 | MRK | Litchfield Caroline | EVP, CFO | F - Tax | $115.47 | -427 | 31.7K | -1% | -$49.3K |
| D | 2023-05-03 | 2023-05-02 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | S - Sale+OE | $116.82 | -7,509 | 11.1K | -40% | -$877.2K |
| DM | 2023-05-03 | 2023-05-01+ | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $61.23 | +6,612 | 12.7K | +108% | +$404.8K |
| D | 2023-05-03 | 2023-05-01 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | F - Tax | $115.47 | -198 | 12.5K | -2% | -$22.9K |
| D | 2023-05-03 | 2023-05-01 | MRK | LeCointe-Cephas Lisa | SVP Chief Ethics, Com Off | M - OptEx | $115.47 | +643 | 4,376 | +17% | +$74.2K |
| D | 2023-05-03 | 2023-05-01 | MRK | LeCointe-Cephas Lisa | SVP Chief Ethics, Com Off | F - Tax | $115.47 | -221 | 4,155 | -5% | -$25.5K |
| DM | 2023-05-02 | 2023-04-28+ | MRK | DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | M - OptEx | $58.86 | +141.6K | 229.9K | +160% | +$8.33M |
| DM | 2023-05-02 | 2023-04-28+ | MRK | DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | S - Sale+OE | $115.55 | -141.6K | 154.5K | -48% | -$16.36M |
| D | 2023-04-28 | 2023-04-28 | MRK | Davis Robert M | COB, CEO, Pres, Dir | S - Sale+OE | $114.93 | -143.3K | 271.8K | -35% | -$16.47M |
| D | 2023-04-28 | 2023-04-28 | MRK | Davis Robert M | COB, CEO, Pres, Dir | M - OptEx | $56.04 | +143.3K | 415.1K | +53% | +$8.03M |
| DM | 2023-04-14 | 2023-04-13 | MRK | Chattopadhyay Sanat | Exe V-P, Pres. MMD | M - OptEx | $59.02 | +134.1K | 67.9K | New | +$7.91M |
| DM | 2023-04-14 | 2023-04-13 | MRK | Chattopadhyay Sanat | Exe V-P, Pres. MMD | S - Sale+OE | $115.07 | -134.1K | 67.9K | -66% | -$15.43M |
| 2023-02-16 | 2023-02-15 | MRK | Romanelli Joseph | Pres, Human Health Int?l | S - Sale | $108.22 | -5,000 | 20.3K | -20% | -$541.1K | |
| 2023-02-14 | 2023-02-13 | MRK | MIZELL STEVEN | EVP, Chief HR Off | S - Sale | $109.10 | -1,815 | 33.1K | -5% | -$198.0K | |
| D | 2023-02-13 | 2023-02-10 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $106.72 | +1,205 | 12.5K | +11% | +$128.6K |
| D | 2023-02-13 | 2023-02-10 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | F - Tax | $106.72 | -413 | 12.1K | -3% | -$44.1K |
| 2023-02-10 | 2023-02-09 | MRK | MIZELL STEVEN | EVP, Chief HR Off | S - Sale | $107.00 | -5,000 | 34.9K | -13% | -$535.0K | |
| 2023-02-08 | 2023-02-06 | MRK | MIZELL STEVEN | EVP, Chief HR Off | S - Sale | $104.25 | -4,436 | 39.9K | -10% | -$462.5K | |
| D | 2023-02-06 | 2023-02-03 | MRK | Zachary Jennifer | EVP, GC | M - OptEx | $56.04 | +75.4K | 129.4K | +140% | +$4.23M |
| D | 2023-02-06 | 2023-02-03 | MRK | Zachary Jennifer | EVP, GC | S - Sale+OE | $103.17 | -75.4K | 53.9K | -58% | -$7.78M |
| 2023-01-25 | 2023-01-23 | MRK | DeLuca Richard R. | EVP, Pres, Merck Animal Heallth | A - Grant | $109.88 | +15.6K | 153.5K | +11% | +$1.72M | |
| 2023-01-25 | 2023-01-23 | MRK | Davis Robert M | CEO, Pres, Dir | A - Grant | $109.88 | +24.2K | 271.8K | +10% | +$2.66M | |
| 2023-01-25 | 2023-01-23 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | A - Grant | $109.88 | +1,745 | 11.0K | +19% | +$191.7K | |
| 2023-01-25 | 2023-01-23 | MRK | Klobuchar Michael A | EVP - Chief Strategy Off | A - Grant | $109.88 | +2,651 | 18.0K | +17% | +$291.3K | |
| 2023-01-25 | 2023-01-23 | MRK | Li Dean Y | Pres, Executive VP, MRL | A - Grant | $109.88 | +3,275 | 19.9K | +20% | +$359.9K | |
| 2023-01-25 | 2023-01-23 | MRK | Zachary Jennifer | EVP, GC | A - Grant | $109.88 | +15.6K | 53.9K | +41% | +$1.72M | |
| 2023-01-25 | 2023-01-23 | MRK | Chattopadhyay Sanat | Exe V-P, Pres. MMD | A - Grant | $109.88 | +17.5K | 47.0K | +59% | +$1.92M | |
| 2023-01-25 | 2023-01-23 | MRK | MIZELL STEVEN | EVP, Chief HR Off | A - Grant | $109.88 | +12.2K | 44.3K | +38% | +$1.34M | |
| 2023-01-25 | 2023-01-23 | MRK | Litchfield Caroline | EVP, CFO | A - Grant | $109.88 | +2,656 | 30.2K | +10% | +$291.8K |
Purchase Sale Sale after option exercise All abbreviations