Form 4 for MRK Merck & Co.
Accepted 2026-05-01 17:42:35 ET · period of report 2026-04-29 · accession 0000310158-26-000084 · 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 | 2026-05-01 17:42 | 2026-04-29+ | MRK | Larson Betty D | EVP, Chief HR Off | M - OptEx | $110.81 | +13.4K | 18.9K | +245% | +$1.49M |
| DM | 2026-05-01 17:42 | 2026-04-29+ | MRK | Larson Betty D | EVP, Chief HR Off | F - Tax | $110.84 | -5,858 | 13.8K | -30% | -$649.3K |
| DM | 2026-05-01 17:42 | 2026-04-29+ | MRK | Larson Betty D | EVP, Chief HR Off | M - OptEx | $0.00 | -13.4K | 11.3K | -54% | $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 | 2,085 | $110.03 | 8,282 | D | — | — | |
| 2 | Common | Common Stock | 2026-04-29 | F | D | 715 | $110.03 | 7,567 | D | — | — | |
| 3 | Common | Common Stock | 2026-04-30 | M | A | 11,350 | $110.95 | 18,917 | D | — | — | |
| 4 | Common | Common Stock | 2026-04-30 | F | D | 5,143 | $110.95 | 13,774 | D | — | — | |
| 5 | Derivative | Restricted Stock Unit | 2026-04-29 | M | D | 2,085 | $0.00 | 4,172 | D | — · 2026-04-29 to 2028-04-29 | 2,085 Common Stock | (F1) Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock. (F2) 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. |
| 6 | Derivative | Restricted Stock Unit | 2026-04-30 | M | D | 11,350 | $0.00 | 11,350 | D | — · 2025-04-30 to 2027-04-30 | 11,350 Common Stock | (F1) 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 4/30/2025, 4/30/2026 and 4/30/2027. |