SEC Form 4 · insider transactions · free
Merck & Co., Inc. insider buying and selling
22 Form 4 filings against Merck & Co., Inc. (MRK) in the last 90 days. Below are the transactions from 4 recent filings, one per insider where the window allows, as filed.
| Date | Insider | Role | Transaction | Code | Shares | Price | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-08-13 | Guindo Chirfi | EVP, Access, Policy & Comms | open-market sale | S | 10,000 | $135.00 | 36,613 |
| 2026-08-12 | Zachary Jennifer | EVP, General Counsel | option exercise | M | 41,494 | $117.89 | 112,391 |
| 2026-08-12 | Zachary Jennifer | EVP, General Counsel | option exercise | M | 13,433 | $84.71 | 125,824 |
| 2026-08-12 | Zachary Jennifer | EVP, General Counsel | open-market sale | S | 80,315 | $133.46 | 45,509 |
| 2026-08-12 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | open-market sale | S | 11,099 | $131.61 | 110,767 |
| 2026-08-12 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | open-market sale | S | 600 | $132.04 | 110,167 |
| 2026-08-11 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | open-market sale | S | 7,410 | $131.33 | 127,293 |
| 2026-08-11 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | open-market sale | S | 5,427 | $132.35 | 121,866 |
| 2026-08-10 | DeLuca Richard R. | EVP&Pres, Merck Animal Heallth | open-market sale | S | 20,784 | $130.43 | 134,703 |
| 2026-08-05 | Maraldo David R. | EVP & Pres. MMD | option exercise | M | 6,311 | $73.73 | 24,523 |
| 2026-08-05 | Maraldo David R. | EVP & Pres. MMD | open-market sale | S | 6,311 | $128.72 | 18,212 |
| 2026-08-05 | Maraldo David R. | EVP & Pres. MMD | option exercise | M | 9,709 | $87.10 | 27,921 |
| 2026-08-05 | Maraldo David R. | EVP & Pres. MMD | open-market sale | S | 9,709 | $128.72 | 18,212 |
| 2026-08-05 | Maraldo David R. | EVP & Pres. MMD | option exercise | M | 2,686 | $84.71 | 20,898 |
Every Form 4 against Merck & Co., Inc., parsed and explained
The free view above is the newest few filings. The paid report reads every Form 4 in your window (up to 365 days), separates open-market buys and sales from awards, exercises and tax withholding, totals the flow per insider, flags 10b5-1 plans where the filing notes them, and hands you a cited write-up plus a downloadable transactions table.
agents: POST /v1/insider-report with {"ticker":"MRK"} over x402 or MPP, $4
Generated from public SEC EDGAR filings. Filing data is shown as filed. This is information, not investment advice.