InsiderTrades

Form 4 for MRK Merck & Co.

Accepted 2026-02-06 00:00:00 ET · period of report 2026-02-04 · accession 0000310158-26-000042 · 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 2026-02-06 2026-02-04 MRK Smart Dalton E. III SVP Fin. - Gbl Ctrl S - Sale+OE $119.68 -6,400 10.6K -38% -$766.0K
D 2026-02-06 2026-02-04 MRK Smart Dalton E. III SVP Fin. - Gbl Ctrl M - OptEx $62.07 +4,000 14.6K +38% +$248.3K
D 2026-02-06 2026-02-04 MRK Smart Dalton E. III SVP Fin. - Gbl Ctrl M - OptEx $0.00 -4,000 8,130 -33% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-04 S D 2,400 $119.68 8,204.82 D — —
2 Common Common Stock 2026-02-04 S D 4,000 $119.68 10,604.82 D — —
3 Common Common Stock 2026-02-04 M A 4,000 $62.07 14,604.82 D — —
4 Derivative Stock Option (Right to Buy) 2026-02-04 M D 4,000 $0.00 8,130 D $62.07 · 2018-05-05 to 2027-05-04 4,000 Common Stock (F1) The option became exercisable in equal installments on 5/5/2018, 5/5/2019 and 5/5/2020.