InsiderTrades

Form 4 for MRK Merck & Co.

Accepted 2026-05-01 17:38:12 ET · period of report 2026-04-29 · accession 0000310158-26-000080 · 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 17:38 2026-04-29 MRK Davis Robert M COB, CEO, Pres, Dir M - OptEx $110.03 +13.3K 456.9K +3% +$1.46M
D 2026-05-01 17:38 2026-04-29 MRK Davis Robert M COB, CEO, Pres, Dir F - Tax $110.03 -6,551 450.4K -1% -$720.8K
D 2026-05-01 17:38 2026-04-29 MRK Davis Robert M COB, CEO, Pres, Dir M - OptEx $0.00 -13.3K 26.6K -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-04-29 M A 13,300 $110.03 456,901.76 D — —
2 Common Common Stock 2026-04-29 F D 6,551 $110.03 450,350.76 D — —
3 Derivative Restricted Stock Unit 2026-04-29 M D 13,300 $0.00 26,601 D — · 2026-04-29 to 2028-04-29 13,300 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.