MRKMerck & Co.
Merck & Co., Inc. (Merck or the Company) is a global health care company that delivers innovative health solutions through its prescription medicines, including biologic therapies, vaccines and animal health products. 10-K, Item 1
- Employees
- 75,000
- Headquarters
- Rahway, NJ
- CEO
- Robert M. Davis
- Next results
- around Feb 2, 2027
Every trade in MRK shares that directors, officers and 10% owners reported on Form 4 since May 14, 2026. Open-market buys and sales are the trades the insider chose to make; grants, option exercises and shares withheld for tax are part of pay.
| Date | Insider | Role | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| Aug 13, 2026 | Chirfi Guindo | EVP, Access, Policy & Comms | Sale | -10,000 | 135.00 | 1.4M | 36,613 |
| Aug 12, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -11,099 | 131.61 | 1.5M | 110,767 |
| Aug 12, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -600 | 132.04 | 79K | 110,167 |
| Aug 12, 2026 | Jennifer Zachary | EVP, General Counsel | Sale | -80,315 | 133.46 | 10.7M | 45,509 |
| Aug 11, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -7,410 | 131.33 | 973K | 127,293 |
| Aug 11, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -5,427 | 132.35 | 718K | 121,866 |
| Aug 10, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -20,784 | 130.43 | 2.7M | 134,703 |
| Aug 6, 2026 | Chirfi Guindo | EVP, Access, Policy & Comms | Sale | -15,000 | 131.00 | 2.0M | 46,613 |
| Aug 6, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -805 | 131.02 | 105K | 160,732 |
| Aug 6, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -4,945 | 130.23 | 644K | 155,787 |
| Aug 6, 2026 | Richard R. DeLuca | EVP&Pres, Merck Animal Heallth | Sale | -300 | 131.02 | 39K | 155,487 |
| Aug 5, 2026 | David Michael Williams | EVP,Chief Info&Digital Officer | Sale | -4,600 | 128.77 | 592K | 31,716 |
| Aug 5, 2026 | David Michael Williams | EVP,Chief Info&Digital Officer | Sale | -13,542 | 128.77 | 1.7M | 31,716 |
| Aug 5, 2026 | David Michael Williams | EVP,Chief Info&Digital Officer | Sale | -34,705 | 128.77 | 4.5M | 31,716 |
| Aug 5, 2026 | David R. Maraldo | EVP & Pres. MMD | Sale | -6,311 | 128.72 | 812K | 18,212 |
| Aug 5, 2026 | David R. Maraldo | EVP & Pres. MMD | Sale | -9,709 | 128.72 | 1.2M | 18,212 |
| Aug 5, 2026 | David R. Maraldo | EVP & Pres. MMD | Sale | -2,686 | 128.72 | 346K | 18,212 |
From the Form 4s in SEC's filing index; each date links to the filing. The Insider selling plans tab shows planned sales (10b5-1 plans and Form 144).
Work on MRK in a spreadsheet:
Excel workbook (a sheet per section, ten years by column, charts, links to the filings) ·
CSV.
For a Google Sheet that stays up to date, paste =IMPORTDATA("https://tickdelta.com/company/MRK/export.csv") into a cell.