Merck & Company Inc.

Last updated September 27, 2026

Organization details

Legal name
Merck & Company Inc.
Former names
Schering Plough Corp
Ownership
Public
Status
Active
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
New Jersey
Headquarters city
Rahway
Headquarters state / province
New Jersey
Headquarters country
United States
Fiscal year end
December
Ticker symbol
MRK
Primary stock exchange
NYSE

Identifiers

SEC CIK
0000310158
EIN
22-1918501

Board of directors

Chief executives

Robert M. Davis · CEO & President
Dates unknown

Director election results

Annual meeting of May 26, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

10 of this board's directors also sit on 16 other boards.

Network of Merck & Company Inc.'s board connections Allogene Therapeutics Inc. Allogene Therapeutics... Corning Incorporated Corning Incorporated Duke Energy Corporation (Holding Company) Duke Energy Corporatio... Emerson Electric Company Emerson Electric Compa... GE Aerospace GE Aerospace GE HealthCare Technologies Inc. GE HealthCare Technolo... General Motors Company General Motors Company Hewlett Packard Enterprise Company Hewlett Packard Enterp... Intel Corporation Intel Corporation KKR & Co. Inc. KKR & Co. Inc. Labcorp Holdings Inc. Labcorp Holdings Inc. Morgan Stanley Morgan Stanley Northrop Grumman Corporation Northrop Grumman Corpo... Sarepta Therapeutics Inc. Sarepta Therapeutics I... Target Corporation Target Corporation The Progressive Corporation The Progressive Corpor... Douglas M. Baker Jr. Douglas M. Baker Jr. Kathy J. Warden Kathy J. Warden Pamela J. Craig Pamela J. Craig Patricia F. Russo Patricia F. Russo Paul Rothman Paul Rothman Risa J. Lavizzo-Mourey Risa J. Lavizzo-Mour... Robert M. Davis Robert M. Davis Stephen Mayo Stephen Mayo Surendralal Lanca Karsanbhai Surendralal Lanca Ka... Thomas H. Glocer Thomas H. Glocer Merck & Company Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$72,013,416
35 sales by 11 insiders
Date Insider Transaction Shares Price Value
Aug 13, 2026 Chirfi Guindo Officer (EVP, Access, Policy & Comms) Open-market sale −10,000 $135.00 $1,350,000
Aug 12, 2026 Jennifer Zachary Officer (EVP, General Counsel) Option exercise +41,494 $117.89 $4,891,728
Aug 12, 2026 Jennifer Zachary Officer (EVP, General Counsel) Option exercise +13,433 $84.71 $1,137,909
Aug 12, 2026 Jennifer Zachary Officer (EVP, General Counsel) Open-market sale −80,315 $133.46 $10,718,495
Aug 12, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −11,099 $131.61 $1,460,770
Aug 12, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −600 $132.04 $79,222
Aug 11, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −7,410 $131.33 $973,165
Aug 11, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −5,427 $132.35 $718,261
Aug 10, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −20,784 $130.43 $2,710,951
Aug 6, 2026 Chirfi Guindo Officer (EVP, Access, Policy & Comms) Open-market sale −15,000 $131.00 $1,965,000
Aug 6, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −805 $131.02 $105,472
Aug 6, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −4,945 $130.23 $643,993
Aug 6, 2026 DeLuca Richard R. Officer (EVP&Pres, Merck Animal Heallth) Open-market sale −300 $131.02 $39,307
Aug 5, 2026 Maraldo David R. Officer (EVP & Pres. MMD) Option exercise +6,311 $73.73 $465,310
Aug 5, 2026 Williams David Michael Officer (EVP,Chief Info&Digital Officer) Option exercise +4,600 $77.62 $357,052

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