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CIK 0000310158 · Large accelerated filer

Merck & Co., Inc.

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Ticker
MRK
Exchange
NYSE
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
NJ
Entity type
operating
EIN
221918501
Phone
908-740-4000
Business address
126 EAST LINCOLN AVENUE, P.O. BOX 2000, RAHWAY, NJ, 07065
Former names
Merck & Co. Inc., SCHERING PLOUGH CORP
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-05-29 Warden Kathy J Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 17,890.29
2026-05-29 Karsanbhai Surendralal Lanca Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 5,392.34
2026-05-29 Coe Mary Ellen Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 31,765.64
2026-05-29 THULIN INGE G Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 27,469.71
2026-05-29 Seidman Christine E Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 21,228.04
2026-05-29 RUSSO PATRICIA F Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 62,390.75
2026-05-29 Rothman Paul Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 34,944.94
2026-05-29 Mayo Stephen Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 14,824.52
2026-05-29 LAVIZZO-MOUREY RISA J Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 17,749.35
2026-05-29 GLOCER THOMAS H Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 110,911.76
2026-05-29 Craig Pamela J. Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 34,944.93
2026-05-29 BAKER DOUGLAS M JR Director Grant or award · Phantom Stock +1,853.1 $118.72 $220K 11,518.21
2026-05-05 Zachary Jennifer EVP, General Counsel Grant or award · Restricted Stock Unit +12,064 12,064
2026-05-05 Zachary Jennifer EVP, General Counsel Grant or award · Stock Option (Right to Buy) +35,312 35,312
2026-05-05 Williams David Michael EVP,Chief Info&Digital Officer Grant or award · Restricted Stock Unit +4,640 4,640
2026-05-05 Williams David Michael EVP,Chief Info&Digital Officer Grant or award · Stock Option (Right to Buy) +13,582 13,582
2026-05-05 Litchfield Caroline EVP & CFO Grant or award · Restricted Stock Unit +15,908 15,908
2026-05-05 Litchfield Caroline EVP & CFO Grant or award · Stock Option (Right to Buy) +46,566 46,566
2026-05-05 Li Dean Y Executive VP & President, MRL Grant or award · Restricted Stock Unit +19,885 19,885
2026-05-05 Li Dean Y Executive VP & President, MRL Grant or award · Stock Option (Right to Buy) +58,207 58,207

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