Guindo Chirfi
EVP, Access, Policy & Comms · 8 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-29 | MRK | Merck & Co., Inc. | Option exercise | 1,967 | $110.03 | $216,429.01 | filing |
| 2026-04-29 | MRK | Merck & Co., Inc. | Tax withholding | 969 | $110.03 | $106,619.07 | filing |
| 2026-02-12 | MRK | Merck & Co., Inc. | Sale | 10,000 | $121.46 | $1.2M | filing |
| 2026-02-09 | MRK | Merck & Co., Inc. | Sale | 10,000 | $118.41 | $1.2M | filing |
| 2026-02-05 | MRK | Merck & Co., Inc. | Sale | 20,000 | $121.88 | $2.4M | filing |
| 2026-01-26 | MRK | Merck & Co., Inc. | Award | 9,865 | $107.40 | $1.1M | filing |
| 2025-08-04 | MRK | Merck & Co., Inc. | Option exercise | 36,903 | $79.29 | $2.9M | filing |
| 2025-08-04 | MRK | Merck & Co., Inc. | Tax withholding | 18,175 | $79.29 | $1.4M | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.