Form 4 for MRK Merck & Co.
Accepted 2026-08-13 16:11:35 ET · period of report 2026-08-12 · accession 0000310158-26-000221 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-08-13 16:11 | 2026-08-12 | MRK | Zachary Jennifer | EVP, GC | M - OptEx | $109.78 | +54.9K | 125.8K | +77% | +$6.03M |
| D | 2026-08-13 16:11 | 2026-08-12 | MRK | Zachary Jennifer | EVP, GC | S - Sale+OE | $133.46 | -80.3K | 45.5K | -64% | -$10.72M |
| DM | 2026-08-13 16:11 | 2026-08-12 | MRK | Zachary Jennifer | EVP, GC | M - OptEx | $0.00 | -54.9K | 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 | 2026-08-12 | M | A | 41,494 | $117.89 | 112,391.25 | D | — | — | |
| 2 | Common | Common Stock | 2026-08-12 | M | A | 13,433 | $84.71 | 125,824.25 | D | — | — | |
| 3 | Common | Common Stock | 2026-08-12 | S | D | 80,315 | $133.46 | 45,509.25 | D | — | — | (F1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $133.0300 to $133.5000, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above in this footnote. |
| 4 | Derivative | Stock Option (Right to Buy) | 2026-08-12 | M | D | 41,494 | $0.00 | 0 | D | $117.89 · 2024-05-02 to 2033-05-01 | 41,494 Common Stock | (F2) The options vested and became exercisable in equal installments on 5/2/2024, 5/2/2025 and 5/2/2026. |
| 5 | Derivative | Stock Option (Right to Buy) | 2026-08-12 | M | D | 13,433 | $0.00 | 0 | D | $84.71 · 2026-04-29 to 2035-04-28 | 13,433 Common Stock | (F3) The options vest and become exercisable in equal installments on 4/29/2026, 4/29/2027, and 4/29/2028. |