Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 12 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

12 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Oct. 31, 2018 MRK S 47,036 $74.33 $3,496,186 9,770 Direct -82.80% Disposed 103.5% (price as of 2026-10-02)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Oct. 31, 2018 MRK Stock Option (right to buy) Common Stock (23,220) $59.86 April 30, 2025 23,220 Disposed
Oct. 31, 2018 MRK Stock Option (right to buy) Common Stock (5,706) $63.97 May 4, 2027 5,706 Disposed
Oct. 31, 2018 MRK Stock Option (right to buy) Common Stock (18,110) $54.68 May 9, 2026 18,110 Disposed
May 4, 2018 MRK Restricted Stock Unit Common Stock (2,597) · May 4, 2021 2,597 Acquired
May 4, 2018 MRK Stock Option (right to buy) Common Stock (18,298) $57.75 May 3, 2028 18,298 Acquired
May 1, 2018 MRK Restricted Stock Unit Common Stock (10,441) · May 1, 2018 10,441 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 7 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 1, 2017 MRK Common Stock - 401(k) Plan 130 Indirect
June 1, 2017 MRK Restricted Stock Unit→ Common Stock (10,441) 10,441 Direct
June 1, 2017 MRK Restricted Stock Unit→ Common Stock (1,876) 1,876 Direct
June 1, 2017 MRK Restricted Stock Unit→ Common Stock (2,195) 2,195 Direct
June 1, 2017 MRK Stock Option (right to buy)→ Common Stock (27,165) 27,165 Direct
June 1, 2017 MRK Stock Option (right to buy)→ Common Stock (23,220) 23,220 Direct
June 1, 2017 MRK Stock Option (right to buy)→ Common Stock (17,118) 17,118 Direct