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
-
Christine E. Seidman · DirectorSince 2023
-
Douglas M. Baker Jr. · DirectorSince 2023
-
Inge G. Thulin · DirectorSince 2023
-
Kathy J. Warden · DirectorSince 2023
-
Mary Ellen Coe · DirectorSince 2023
-
Pamela J. Craig · DirectorSince 2023
-
Patricia F. Russo · DirectorSince 2023
-
Paul Rothman · DirectorSince 2023
-
Peter C. Wendell · DirectorSince 2023
-
Risa J. Lavizzo-Mourey · DirectorSince 2023
-
Robert M. Davis · Director · Chairman, CEO & PresidentSince 2023
-
Stephen Mayo · DirectorSince 2023
-
Surendralal Lanca Karsanbhai · DirectorSince 2025
-
Thomas H. Glocer · DirectorSince 2023
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.
-
88.3%
-
93.4%
-
93.6%
-
97.4%
-
98.2%
-
98.3%
-
98.9%
-
99.0%
-
99.1%
-
99.2%
-
99.6%
-
99.7%
-
99.7%
Board connections
10 of this board's directors also sit on 16 other boards.
- via Stephen Mayo
- via Pamela J. Craig
- via Robert M. Davis
- via Surendralal Lanca Karsanbhai
- via Risa J. Lavizzo-Mourey
- via Risa J. Lavizzo-Mourey
- via Patricia F. Russo
- via Patricia F. Russo
- via Risa J. Lavizzo-Mourey
- via Patricia F. Russo
- via Paul Rothman
- via Thomas H. Glocer
- via Kathy J. Warden
- via Stephen Mayo
- via Douglas M. Baker Jr.
- via Pamela J. Craig
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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