Form 4 for MRK Merck & Co.
Accepted 2025-08-05 00:00:00 ET · period of report 2025-08-04 · accession 0000310158-25-000012 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-08-05 | 2025-08-04 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $79.29 | +17.1K | 41.4K | +70% | +$1.36M |
| D | 2025-08-05 | 2025-08-04 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | F - Tax | $79.29 | -8,432 | 33.0K | -20% | -$668.6K |
| D | 2025-08-05 | 2025-08-04 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $0.00 | -17.1K | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-04 | M | A | 17,119 | $79.29 | 41,445.47 | D | — | — | (F1) Holdings include shares acquired in dividend reinvestment transactions. |
| 2 | Common | Common Stock | 2025-08-04 | F | D | 8,432 | $79.29 | 33,013.47 | D | — | — | |
| 3 | Derivative | Restricted Stock Unit | 2025-08-04 | M | D | 17,119 | $0.00 | 0 | D | — · 2025-08-03 to 2025-08-03 | 17,119 Common Stock | (F2) Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock. (F3) These restricted stock units vested and were distributed as shares of Merck & Co., Inc. common stock in one installment on 8/4/2025, the business day immediately following 8/3/2025. The Reporting Person's Form 4 filed on 8/4/2022 incorrectly reported that these restricted stock units vested and were to be distributed in three equal installments on 8/3/2023, 8/3/2024, and 8/3/2025. |