Form 4 for MRK Merck & Co.
Accepted 2026-02-06 00:00:00 ET · period of report 2026-02-06 · accession 0000310158-26-000044 · 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 | 2026-02-06 | 2026-02-06 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $77.62 | +5,000 | 35.8K | +16% | +$388.1K |
| D | 2026-02-06 | 2026-02-06 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | S - Sale+OE | $121.91 | -5,000 | 30.8K | -14% | -$609.5K |
| D | 2026-02-06 | 2026-02-06 | MRK | Williams David Michael | EVP, Chief Info, Digital Off | M - OptEx | $0.00 | -5,000 | 4,600 | -52% | $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 | 2026-02-06 | M | A | 5,000 | $77.62 | 35,837.74 | D | — | — | |
| 2 | Common | Common Stock | 2026-02-06 | S | D | 5,000 | $121.91 | 30,837.74 | D | — | — | |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-02-06 | M | D | 5,000 | $0.00 | 4,600 | D | $77.62 · 2020-05-03 to 2029-05-02 | 5,000 Common Stock | (F1) Exercise price and holdings reflect the adjustments that occurred as of June 2, 2021 in connection with the Organon & Co. ("Organon") spin-off as described in the registration statement on Form 10 filed with the SEC by Organon (the "Form 10"). As reported in the Form 10, all Merck stock option awards outstanding as of immediately prior to the distribution date were converted on the distribution date into adjusted Merck awards for Merck employees to preserve the same intrinsic value and general terms and conditions (including vesting) as were in place immediately prior to the adjustments. (F2) The option vests and becomes exercisable in three equal installments on 5/3/2020, 5/3/2021 and 5/3/2022. |