Transactions
2
Insider / Merck & Co., Inc.
Guindo Chirfi
EVP, Access, Policy & Comms at Merck & Co., Inc. · MRK
Guindo Chirfi, EVP, Access, Policy & Comms at Merck & Co., Inc., has disclosed 2 transactions in MRK since August 7, 2026: 0 purchases (0 open-market buys) and 2 sales, worth about $3.3M at the reported prices. The latest was filed August 13, 2026, 0 days after the trade.
Open-market buys
0
Sales
2
Avg. disclosure lag
0.5d
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source |
|---|---|---|---|---|---|---|---|---|---|
| MRK | Sell S | August 13, 2026 | August 13, 2026 | 0d | 10,000 | $135 | $1.4M | Form 4 ↗ | |
| MRK | Sell S | August 6, 2026 | August 7, 2026 | 1d | 15,000 | $131 | $2.0M | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| August 13, 2026 | Form 4 | 0000310158-26-000223 | 1 | published | EDGAR ↗ |
| August 7, 2026 | Form 4 | 0000310158-26-000213 | 1 | published | EDGAR ↗ |
Sources and method
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.