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M

MRK

NYSE

Merck & Co., Inc.

Latest disclosureOctober 1, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 17 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 124

Limited filing history
All124Buying0Selling17Other107
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

124 trades · March 31, 2026 – September 30, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 124 trades on this page.

Award disclosed

Christine E. Seidman

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$8.12K
Reported price
$145.31 / derivative unit
Traded September 30, 2026Filed October 1, 2026SEC filing
Award disclosed

Surendralal Lanca Karsanbhai

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$16.25K
Reported price
$145.31 / derivative unit
Traded September 30, 2026Filed October 1, 2026SEC filing
Award disclosed

Mary Ellen Coe

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$30K
Reported price
$145.31 / derivative unit
Traded September 30, 2026Filed October 1, 2026SEC filing
Sale disclosed

Chirfi Guindo

EVP, Access, Policy & Comms

Common Stock

Reported value
$1.35M
Reported price
$135.00 / share
Traded August 13, 2026Filed August 13, 2026SEC filing
Exercise or conversion

Jennifer Zachary

EVP, General Counsel

Common Stock

Value context
$4.89M
Reported price
$117.89 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Exercise or conversion

Jennifer Zachary

EVP, General Counsel

Common Stock

Value context
$1.14M
Reported price
$84.71 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Sale disclosed

Jennifer Zachary

EVP, General Counsel

Common Stock

Reported value
$10.72M
Reported price
$133.4557 / share
Traded August 12, 2026Filed August 13, 2026SEC filing
Exercise or conversion

Jennifer Zachary

EVP, General Counsel

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$117.89 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 12, 2026Filed August 13, 2026SEC filing
Exercise or conversion

Jennifer Zachary

EVP, General Counsel

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$84.71 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 12, 2026Filed August 13, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$2.71M
Reported price
$130.4345 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$973.16K
Reported price
$131.3313 / share
Traded August 11, 2026Filed August 12, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$718.26K
Reported price
$132.3496 / share
Traded August 11, 2026Filed August 12, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$1.46M
Reported price
$131.6128 / share
Traded August 12, 2026Filed August 12, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$79.22K
Reported price
$132.0367 / share
Traded August 12, 2026Filed August 12, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$105.47K
Reported price
$131.0216 / share
Traded August 6, 2026Filed August 10, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$643.99K
Reported price
$130.2312 / share
Traded August 6, 2026Filed August 10, 2026SEC filing
Sale disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Reported value
$39.31K
Reported price
$131.0233 / share
Traded August 6, 2026Filed August 10, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Common Stock

Value context
$465.31K
Reported price
$73.73 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Sale disclosed

David R. Maraldo

EVP & Pres. MMD

Common Stock

Reported value
$812.34K
Reported price
$128.7179 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Common Stock

Value context
$845.65K
Reported price
$87.10 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Sale disclosed

David R. Maraldo

EVP & Pres. MMD

Common Stock

Reported value
$1.25M
Reported price
$128.7179 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Common Stock

Value context
$227.53K
Reported price
$84.71 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Sale disclosed

David R. Maraldo

EVP & Pres. MMD

Common Stock

Reported value
$345.74K
Reported price
$128.7179 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$73.73 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$87.10 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$84.71 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Value context
$357.05K
Reported price
$77.62 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Sale disclosed

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Reported value
$592.35K
Reported price
$128.7707 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Value context
$1.02M
Reported price
$75.36 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Sale disclosed

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Reported value
$1.74M
Reported price
$128.7707 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Value context
$2.56M
Reported price
$73.73 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Sale disclosed

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Reported value
$4.47M
Reported price
$128.7707 / share
Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$77.62 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$75.36 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 5, 2026Filed August 7, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$73.73 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded August 5, 2026Filed August 7, 2026SEC filing
Sale disclosed

Chirfi Guindo

EVP, Access, Policy & Comms

Common Stock

Reported value
$1.97M
Reported price
$131.00 / share
Traded August 6, 2026Filed August 7, 2026SEC filing
Award disclosed

Christine E. Seidman

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$8.13K
Reported price
$128.50 / derivative unit
Traded June 30, 2026Filed July 1, 2026SEC filing
Award disclosed

Surendralal Lanca Karsanbhai

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$16.25K
Reported price
$128.50 / derivative unit
Traded June 30, 2026Filed July 1, 2026SEC filing
Award disclosed

Mary Ellen Coe

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$30K
Reported price
$128.50 / derivative unit
Traded June 30, 2026Filed July 1, 2026SEC filing
Award disclosed

Kathy J. Warden

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Surendralal Lanca Karsanbhai

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Mary Ellen Coe

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Inge G. Thulin

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Christine E. Seidman

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Patricia F. Russo

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Paul Rothman

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Stephen Mayo

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Risa J. Lavizzo-Mourey

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Thomas H. Glocer

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Pamela J. Craig

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Douglas M. Baker Jr

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$220K
Reported price
$118.72 / derivative unit
Traded May 29, 2026Filed June 2, 2026SEC filing
Award disclosed

Jennifer Zachary

EVP, General Counsel

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Jennifer Zachary

EVP, General Counsel

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

David Michael Williams

EVP,Chief Info&Digital Officer

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

David Michael Williams

EVP,Chief Info&Digital Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Caroline Litchfield

EVP & CFO

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Caroline Litchfield

EVP & CFO

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Dean Y. Li

Executive VP & President, MRL

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Dean Y. Li

Executive VP & President, MRL

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Betty D. Larson

EVP, Chief HR Officer

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Betty D. Larson

EVP, Chief HR Officer

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Robert M. Davis

Chairman, CEO & President

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Robert M. Davis

Chairman, CEO & President

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Brian Foard

EVP, Specialty, Pharma, & ID

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Brian Foard

EVP, Specialty, Pharma, & ID

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Brian Foard

EVP, Specialty, Pharma, & ID

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

David R. Maraldo

EVP & Pres. MMD

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

David R. Maraldo

EVP & Pres. MMD

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Johannes Jacobus Oosthuizen

EVP, Oncology & Int?l

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Johannes Jacobus Oosthuizen

EVP, Oncology & Int?l

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Dalton E. Smart III

SVP Fin. - Global Controller

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Dalton E. Smart III

SVP Fin. - Global Controller

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Chirfi Guindo

EVP, Access, Policy & Comms

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Award disclosed

Chirfi Guindo

EVP, Access, Policy & Comms

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 5, 2026Filed May 7, 2026SEC filing
Exercise or conversion

Dalton E. Smart III

SVP Fin. - Global Controller

Common Stock

Value context
$42.96K
Reported price
$112.16 / share
Traded May 2, 2026Filed May 5, 2026SEC filing
Tax or exercise withholding

Dalton E. Smart III

SVP Fin. - Global Controller

Common Stock

Value context
$14.81K
Reported price
$112.16 / share
Traded May 2, 2026Filed May 5, 2026SEC filing
Exercise or conversion

Dalton E. Smart III

SVP Fin. - Global Controller

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 2, 2026Filed May 5, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Common Stock

Value context
$61.91K
Reported price
$112.16 / share
Traded May 2, 2026Filed May 5, 2026SEC filing
Tax or exercise withholding

David R. Maraldo

EVP & Pres. MMD

Common Stock

Value context
$17.83K
Reported price
$112.16 / share
Traded May 2, 2026Filed May 5, 2026SEC filing
Exercise or conversion

David R. Maraldo

EVP & Pres. MMD

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 2, 2026Filed May 5, 2026SEC filing
Exercise or conversion

Chirfi Guindo

EVP, Access, Policy & Comms

Common Stock

Value context
$216.43K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Chirfi Guindo

EVP, Access, Policy & Comms

Common Stock

Value context
$106.62K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Chirfi Guindo

EVP, Access, Policy & Comms

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Sanat Chattopadhyay

Exe V-P & Pres. MMD

Common Stock

Value context
$285.75K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Sanat Chattopadhyay

Exe V-P & Pres. MMD

Common Stock

Value context
$124.33K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Sanat Chattopadhyay

Exe V-P & Pres. MMD

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Value context
$277.06K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Common Stock

Value context
$136.55K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Richard R. DeLuca

EVP&Pres, Merck Animal Heallth

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Value context
$151.51K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

David Michael Williams

EVP,Chief Info&Digital Officer

Common Stock

Value context
$74.71K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

David Michael Williams

EVP,Chief Info&Digital Officer

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Dalton E. Smart III

SVP Fin. - Global Controller

Common Stock

Value context
$103.87K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Dalton E. Smart III

SVP Fin. - Global Controller

Common Stock

Value context
$35.65K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Dalton E. Smart III

SVP Fin. - Global Controller

Common Stock

Value context
$51.48K
Reported price
$110.95 / share
Traded April 30, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Dalton E. Smart III

SVP Fin. - Global Controller

Common Stock

Value context
$17.64K
Reported price
$110.95 / share
Traded April 30, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Dalton E. Smart III

SVP Fin. - Global Controller

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Dalton E. Smart III

SVP Fin. - Global Controller

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 30, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Dean Y. Li

Executive VP & President, MRL

Common Stock

Value context
$519.56K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Dean Y. Li

Executive VP & President, MRL

Common Stock

Value context
$255.93K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Dean Y. Li

Executive VP & President, MRL

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Jennifer Zachary

EVP, General Counsel

Common Stock

Value context
$324.7K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Jennifer Zachary

EVP, General Counsel

Common Stock

Value context
$159.98K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Jennifer Zachary

EVP, General Counsel

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Betty D. Larson

EVP, Chief HR Officer

Common Stock

Value context
$229.41K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Betty D. Larson

EVP, Chief HR Officer

Common Stock

Value context
$78.67K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Betty D. Larson

EVP, Chief HR Officer

Common Stock

Value context
$1.26M
Reported price
$110.95 / share
Traded April 30, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Betty D. Larson

EVP, Chief HR Officer

Common Stock

Value context
$570.62K
Reported price
$110.95 / share
Traded April 30, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Betty D. Larson

EVP, Chief HR Officer

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Betty D. Larson

EVP, Chief HR Officer

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 30, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Caroline Litchfield

EVP & CFO

Common Stock

Value context
$432.97K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Caroline Litchfield

EVP & CFO

Common Stock

Value context
$213.24K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Caroline Litchfield

EVP & CFO

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Robert M. Davis

Chairman, CEO & President

Common Stock

Value context
$1.46M
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Robert M. Davis

Chairman, CEO & President

Common Stock

Value context
$720.81K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Robert M. Davis

Chairman, CEO & President

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Johannes Jacobus Oosthuizen

EVP, Oncology & Int?l

Common Stock

Value context
$151.51K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Tax or exercise withholding

Johannes Jacobus Oosthuizen

EVP, Oncology & Int?l

Common Stock

Value context
$74.71K
Reported price
$110.03 / share
Traded April 29, 2026Filed May 1, 2026SEC filing
Exercise or conversion

Johannes Jacobus Oosthuizen

EVP, Oncology & Int?l

Restricted Stock Unit

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
Exercise / conversion price not reported
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded April 29, 2026Filed May 1, 2026SEC filing
Award disclosed

Christine E. Seidman

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$8.13K
Reported price
$120.29 / derivative unit
Traded March 31, 2026Filed April 1, 2026SEC filing
Award disclosed

Thomas H. Glocer

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$48.75K
Reported price
$120.29 / derivative unit
Traded March 31, 2026Filed April 1, 2026SEC filing
Award disclosed

Mary Ellen Coe

Director

Phantom Stock

Derivative security · not the ordinary share price.

Value context
$30K
Reported price
$120.29 / derivative unit
Traded March 31, 2026Filed April 1, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
DirectorPhantom StockGrant or awardDerivative units56$145.31 / derivative unit$8.12KSep 30Filed Oct 1 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units112$145.31 / derivative unit$16.25KSep 30Filed Oct 1 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units206$145.31 / derivative unit$30KSep 30Filed Oct 1 · 1d laterSEC filing
EVP, Access, Policy & CommsCommon StockSale10,000$135.00 / share$1.35MAug 13Filed Aug 13 · 0d laterSEC filing
EVP, General CounselCommon StockOption exercise or conversion41,494$117.89 / share$4.89MAug 12Filed Aug 13 · 1d laterSEC filing
EVP, General CounselCommon StockOption exercise or conversion13,433$84.71 / share$1.14MAug 12Filed Aug 13 · 1d laterSEC filing
EVP, General CounselCommon StockSale80,315$133.46 / share$10.72MAug 12Filed Aug 13 · 1d laterSEC filing
EVP, General CounselStock Option (Right to Buy)Option exercise or conversionDerivative units41,494$117.89 exercise / conversion priceNot a separate purchaseAug 12Filed Aug 13 · 1d laterSEC filing
EVP, General CounselStock Option (Right to Buy)Option exercise or conversionDerivative units13,433$84.71 exercise / conversion priceNot a separate purchaseAug 12Filed Aug 13 · 1d laterSEC filing
EVP&Pres, Merck Animal HeallthCommon StockSale20,784$130.43 / share$2.71MAug 10Filed Aug 12 · 2d laterSEC filing
EVP&Pres, Merck Animal HeallthCommon StockSale2 trades12,837avg $131.76 / share$1.69MAug 11Filed Aug 12 · 1d later
2 filings
  • 7,410 @ $131.33 · $973.16KSEC filing
  • 5,427 @ $132.35 · $718.26KSEC filing
EVP&Pres, Merck Animal HeallthCommon StockSale2 trades11,699avg $131.63 / share$1.54MAug 12Filed Aug 12 · 0d later
2 filings
  • 11,099 @ $131.61 · $1.46MSEC filing
  • 600 @ $132.04 · $79.22KSEC filing
EVP&Pres, Merck Animal HeallthCommon StockSale3 trades6,050avg $130.38 / share$788.77KAug 6Filed Aug 10 · 4d later
3 filings
  • 805 @ $131.02 · $105.47KSEC filing
  • 4,945 @ $130.23 · $643.99KSEC filing
  • 300 @ $131.02 · $39.31KSEC filing
EVP & Pres. MMDCommon StockOption exercise or conversion6,311$73.73 / share$465.31KAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDCommon StockSale6,311$128.72 / share$812.34KAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDCommon StockOption exercise or conversion9,709$87.10 / share$845.65KAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDCommon StockSale9,709$128.72 / share$1.25MAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDCommon StockOption exercise or conversion2,686$84.71 / share$227.53KAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDCommon StockSale2,686$128.72 / share$345.74KAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDStock Option (Right to Buy)Option exercise or conversionDerivative units6,311$73.73 exercise / conversion priceNot a separate purchaseAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDStock Option (Right to Buy)Option exercise or conversionDerivative units9,709$87.10 exercise / conversion priceNot a separate purchaseAug 5Filed Aug 7 · 2d laterSEC filing
EVP & Pres. MMDStock Option (Right to Buy)Option exercise or conversionDerivative units2,686$84.71 exercise / conversion priceNot a separate purchaseAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockOption exercise or conversion4,600$77.62 / share$357.05KAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockSale4,600$128.77 / share$592.35KAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockOption exercise or conversion13,542$75.36 / share$1.02MAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockSale13,542$128.77 / share$1.74MAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockOption exercise or conversion34,705$73.73 / share$2.56MAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockSale34,705$128.77 / share$4.47MAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerStock Option (Right to Buy)Option exercise or conversionDerivative units4,600$77.62 exercise / conversion priceNot a separate purchaseAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerStock Option (Right to Buy)Option exercise or conversionDerivative units13,542$75.36 exercise / conversion priceNot a separate purchaseAug 5Filed Aug 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerStock Option (Right to Buy)Option exercise or conversionDerivative units34,705$73.73 exercise / conversion priceNot a separate purchaseAug 5Filed Aug 7 · 2d laterSEC filing
EVP, Access, Policy & CommsCommon StockSale15,000$131.00 / share$1.97MAug 6Filed Aug 7 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units63$128.50 / derivative unit$8.13KJun 30Filed Jul 1 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units126$128.50 / derivative unit$16.25KJun 30Filed Jul 1 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units233$128.50 / derivative unit$30KJun 30Filed Jul 1 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units1,853$118.72 / derivative unit$220KMay 29Filed Jun 2 · 4d laterSEC filing
EVP, General CounselRestricted Stock UnitGrant or awardDerivative units12,064Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, General CounselStock Option (Right to Buy)Grant or awardDerivative units35,312Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerRestricted Stock UnitGrant or awardDerivative units4,640Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerStock Option (Right to Buy)Grant or awardDerivative units13,582Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP & CFORestricted Stock UnitGrant or awardDerivative units15,908Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP & CFOStock Option (Right to Buy)Grant or awardDerivative units46,566Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
Executive VP & President, MRLRestricted Stock UnitGrant or awardDerivative units19,885Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
Executive VP & President, MRLStock Option (Right to Buy)Grant or awardDerivative units58,207Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Chief HR OfficerRestricted Stock UnitGrant or awardDerivative units7,954Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Chief HR OfficerStock Option (Right to Buy)Grant or awardDerivative units23,283Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP&Pres, Merck Animal HeallthRestricted Stock UnitGrant or awardDerivative units11,931Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP&Pres, Merck Animal HeallthStock Option (Right to Buy)Grant or awardDerivative units34,924Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
Chairman, CEO & PresidentRestricted Stock UnitGrant or awardDerivative units47,724Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
Chairman, CEO & PresidentStock Option (Right to Buy)Grant or awardDerivative units139,697Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Specialty, Pharma, & IDRestricted Stock UnitGrant or awardDerivative units10,605Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Specialty, Pharma, & IDRestricted Stock UnitGrant or awardDerivative units35,351Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Specialty, Pharma, & IDStock Option (Right to Buy)Grant or awardDerivative units31,044Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP & Pres. MMDRestricted Stock UnitGrant or awardDerivative units7,424Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP & Pres. MMDStock Option (Right to Buy)Grant or awardDerivative units21,731Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Oncology & Int?lRestricted Stock UnitGrant or awardDerivative units10,605Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Oncology & Int?lStock Option (Right to Buy)Grant or awardDerivative units31,044Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
SVP Fin. - Global ControllerRestricted Stock UnitGrant or awardDerivative units2,298Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
SVP Fin. - Global ControllerStock Option (Right to Buy)Grant or awardDerivative units5,045Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Access, Policy & CommsRestricted Stock UnitGrant or awardDerivative units6,628Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
EVP, Access, Policy & CommsStock Option (Right to Buy)Grant or awardDerivative units19,402Award · no purchase priceNon-cash awardMay 5Filed May 7 · 2d laterSEC filing
SVP Fin. - Global ControllerCommon StockOption exercise or conversion383$112.16 / share$42.96KMay 2Filed May 5 · 3d laterSEC filing
SVP Fin. - Global ControllerCommon StockExercise-price or tax withholding132$112.16 / share$14.81KMay 2Filed May 5 · 3d laterSEC filing
SVP Fin. - Global ControllerRestricted Stock UnitOption exercise or conversionDerivative units383Exercise / conversion price not reportedNot a separate purchaseMay 2Filed May 5 · 3d laterSEC filing
EVP & Pres. MMDCommon StockOption exercise or conversion552$112.16 / share$61.91KMay 2Filed May 5 · 3d laterSEC filing
EVP & Pres. MMDCommon StockExercise-price or tax withholding159$112.16 / share$17.83KMay 2Filed May 5 · 3d laterSEC filing
EVP & Pres. MMDRestricted Stock UnitOption exercise or conversionDerivative units552Exercise / conversion price not reportedNot a separate purchaseMay 2Filed May 5 · 3d laterSEC filing
EVP, Access, Policy & CommsCommon StockOption exercise or conversion1,967$110.03 / share$216.43KApr 29Filed May 1 · 2d laterSEC filing
EVP, Access, Policy & CommsCommon StockExercise-price or tax withholding969$110.03 / share$106.62KApr 29Filed May 1 · 2d laterSEC filing
EVP, Access, Policy & CommsRestricted Stock UnitOption exercise or conversionDerivative units1,967Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
Exe V-P & Pres. MMDCommon StockOption exercise or conversion2,597$110.03 / share$285.75KApr 29Filed May 1 · 2d laterSEC filing
Exe V-P & Pres. MMDCommon StockExercise-price or tax withholding1,130$110.03 / share$124.33KApr 29Filed May 1 · 2d laterSEC filing
Exe V-P & Pres. MMDRestricted Stock UnitOption exercise or conversionDerivative units2,597Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
EVP&Pres, Merck Animal HeallthCommon StockOption exercise or conversion2,518$110.03 / share$277.06KApr 29Filed May 1 · 2d laterSEC filing
EVP&Pres, Merck Animal HeallthCommon StockExercise-price or tax withholding1,241$110.03 / share$136.55KApr 29Filed May 1 · 2d laterSEC filing
EVP&Pres, Merck Animal HeallthRestricted Stock UnitOption exercise or conversionDerivative units2,518Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockOption exercise or conversion1,377$110.03 / share$151.51KApr 29Filed May 1 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerCommon StockExercise-price or tax withholding679$110.03 / share$74.71KApr 29Filed May 1 · 2d laterSEC filing
EVP,Chief Info&Digital OfficerRestricted Stock UnitOption exercise or conversionDerivative units1,377Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
SVP Fin. - Global ControllerCommon StockOption exercise or conversion944$110.03 / share$103.87KApr 29Filed May 1 · 2d laterSEC filing
SVP Fin. - Global ControllerCommon StockExercise-price or tax withholding324$110.03 / share$35.65KApr 29Filed May 1 · 2d laterSEC filing
SVP Fin. - Global ControllerCommon StockOption exercise or conversion464$110.95 / share$51.48KApr 30Filed May 1 · 1d laterSEC filing
SVP Fin. - Global ControllerCommon StockExercise-price or tax withholding159$110.95 / share$17.64KApr 30Filed May 1 · 1d laterSEC filing
SVP Fin. - Global ControllerRestricted Stock UnitOption exercise or conversionDerivative units944Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
SVP Fin. - Global ControllerRestricted Stock UnitOption exercise or conversionDerivative units464Exercise / conversion price not reportedNot a separate purchaseApr 30Filed May 1 · 1d laterSEC filing
Executive VP & President, MRLCommon StockOption exercise or conversion4,722$110.03 / share$519.56KApr 29Filed May 1 · 2d laterSEC filing
Executive VP & President, MRLCommon StockExercise-price or tax withholding2,326$110.03 / share$255.93KApr 29Filed May 1 · 2d laterSEC filing
Executive VP & President, MRLRestricted Stock UnitOption exercise or conversionDerivative units4,722Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
EVP, General CounselCommon StockOption exercise or conversion2,951$110.03 / share$324.7KApr 29Filed May 1 · 2d laterSEC filing
EVP, General CounselCommon StockExercise-price or tax withholding1,454$110.03 / share$159.98KApr 29Filed May 1 · 2d laterSEC filing
EVP, General CounselRestricted Stock UnitOption exercise or conversionDerivative units2,951Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
EVP, Chief HR OfficerCommon StockOption exercise or conversion2,085$110.03 / share$229.41KApr 29Filed May 1 · 2d laterSEC filing
EVP, Chief HR OfficerCommon StockExercise-price or tax withholding715$110.03 / share$78.67KApr 29Filed May 1 · 2d laterSEC filing
EVP, Chief HR OfficerCommon StockOption exercise or conversion11,350$110.95 / share$1.26MApr 30Filed May 1 · 1d laterSEC filing
EVP, Chief HR OfficerCommon StockExercise-price or tax withholding5,143$110.95 / share$570.62KApr 30Filed May 1 · 1d laterSEC filing
EVP, Chief HR OfficerRestricted Stock UnitOption exercise or conversionDerivative units2,085Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
EVP, Chief HR OfficerRestricted Stock UnitOption exercise or conversionDerivative units11,350Exercise / conversion price not reportedNot a separate purchaseApr 30Filed May 1 · 1d laterSEC filing
EVP & CFOCommon StockOption exercise or conversion3,935$110.03 / share$432.97KApr 29Filed May 1 · 2d laterSEC filing
EVP & CFOCommon StockExercise-price or tax withholding1,938$110.03 / share$213.24KApr 29Filed May 1 · 2d laterSEC filing
EVP & CFORestricted Stock UnitOption exercise or conversionDerivative units3,935Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
Chairman, CEO & PresidentCommon StockOption exercise or conversion13,300$110.03 / share$1.46MApr 29Filed May 1 · 2d laterSEC filing
Chairman, CEO & PresidentCommon StockExercise-price or tax withholding6,551$110.03 / share$720.81KApr 29Filed May 1 · 2d laterSEC filing
Chairman, CEO & PresidentRestricted Stock UnitOption exercise or conversionDerivative units13,300Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
EVP, Oncology & Int?lCommon StockOption exercise or conversion1,377$110.03 / share$151.51KApr 29Filed May 1 · 2d laterSEC filing
EVP, Oncology & Int?lCommon StockExercise-price or tax withholding679$110.03 / share$74.71KApr 29Filed May 1 · 2d laterSEC filing
EVP, Oncology & Int?lRestricted Stock UnitOption exercise or conversionDerivative units1,377Exercise / conversion price not reportedNot a separate purchaseApr 29Filed May 1 · 2d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units68$120.29 / derivative unit$8.13KMar 31Filed Apr 1 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units405$120.29 / derivative unit$48.75KMar 31Filed Apr 1 · 1d laterSEC filing
DirectorPhantom StockGrant or awardDerivative units249$120.29 / derivative unit$30KMar 31Filed Apr 1 · 1d laterSEC filing

Congress transactions 10

All Congress filings
Purchase disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a purchase for the member.

Maria Elvira Salazar official portraitMaria Elvira SalazarReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
August 19, 2026
Filed September 9, 2026 · 21d laterOriginal report
Purchase disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a purchase for the member.

Maria Elvira Salazar official portraitMaria Elvira SalazarReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
August 19, 2026
Filed September 9, 2026 · 21d laterOriginal report
Full sale disclosed

Merck & Company, Inc. Common Stock (new) · Stock

The filing reports a full sale for the member.

AAAlan ArmstrongReporting Senate member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
March 27, 2026
Filed July 21, 2026 · 116d laterOriginal report
Purchase disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a purchase for a joint account.

Josh Gottheimer official portraitJosh GottheimerReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
February 4, 2026
Filed March 16, 2026 · 40d laterOriginal report
Sale disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a sale for a joint account.

Julie Johnson official portraitJulie JohnsonReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
December 18, 2025
Filed January 15, 2026 · 28d laterOriginal report
Purchase disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
December 19, 2025
Filed January 12, 2026 · 24d laterOriginal report
Purchase disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
November 18, 2025
Filed December 15, 2025 · 27d laterOriginal report
Partial sale disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a partial sale for a joint account.

Julie Johnson official portraitJulie JohnsonReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
November 13, 2025
Filed December 11, 2025 · 28d laterOriginal report
Sale disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a sale for a spouse.

Valerie Hoyle official portraitValerie HoyleReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
September 23, 2025
Filed October 10, 2025 · 17d laterOriginal report
Sale disclosed

Merck & Company, Inc. Common Stock (MRK) · Stock

The filing reports a sale for a spouse.

Sheri Biggs official portraitSheri BiggsReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
March 19, 2025
Filed October 5, 2025 · 200d laterOriginal report
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Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0000310158
Latest public acceptance
Oct 1, 2026, 05:52 PM UTC
Score calculated
Oct 8, 2026, 12:03 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.