Form 4 for MRK Merck & Co.
Accepted 2026-05-01 17:56:59 ET · period of report 2026-04-29 · accession 0000310158-26-000092 · 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 | 2026-05-01 17:56 | 2026-04-29 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $110.03 | +1,377 | 32.4K | +4% | +$151.5K |
| D | 2026-05-01 17:56 | 2026-04-29 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | F - Tax | $110.03 | -679 | 31.7K | -2% | -$74.7K |
| D | 2026-05-01 17:56 | 2026-04-29 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $0.00 | -1,377 | 2,755 | -33% | $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 | 2026-04-29 | M | A | 1,377 | $110.03 | 32,395.04 | D | — | — | (F1) Holdings include shares acquired in dividend reinvestment transactions. |
| 2 | Common | Common Stock | 2026-04-29 | F | D | 679 | $110.03 | 31,716.04 | D | — | — | |
| 3 | Derivative | Restricted Stock Unit | 2026-04-29 | M | D | 1,377 | $0.00 | 2,755 | D | — · 2026-04-29 to 2028-04-29 | 1,377 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 vest and are distributed as shares of Merck & Co., Inc. common stock in three equal installments on 4/29/2026, 4/29/2027 and 4/29/2028. |