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NYSE · USD

MRK

Merck & Co., Inc.

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2807
SEC CIK
0000310158
Parsed reports
1,951

Last 12 months

Inside the activity.

0 purchase rows · 35 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202502
Dec 202500
Jan 202600
Feb 2026016
Mar 202600
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 2026017
Sep 202600
Oct 202600

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
May 10, 2016 Filed May 12, 2016 15:39 UTC
AMBROSE ADELE DSr.V-P & Chief Comuns Officer
GrantRestricted Stock Unit · Derivative 2,743 $0.00 $0.00
Disclosure

SEC source: 0001225208-16-033202 · doc4.xml · derivative · entry 2

AMBROSE ADELE D · CIK 0001182424 · Sr.V-P & Chief Comuns Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,743

Underlying: Common Stock · 2,743 shares

Expires 2019-05-10

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Chattopadhyay SanatExe V-P & Pres. MMD
GrantStock Option (right to buy) · Derivative 81,494 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033203 · doc4.xml · derivative · entry 2

Chattopadhyay Sanat · CIK 0001670690 · Exe V-P & Pres. MMD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,494

Underlying: Common Stock · 81,494 shares

Expires 2026-05-09

F2 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
DeLuca Richard R.EVP&Pres, Merck Animal Health
GrantStock Option (right to buy) · Derivative 101,868 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033204 · doc4.xml · derivative · entry 3

DeLuca Richard R. · CIK 0001421339 · EVP&Pres, Merck Animal Health

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,868

Underlying: Common Stock · 101,868 shares

Expires 2026-05-09

F3 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
FRAZIER KENNETH CDirector · Chairman, President & CEO
GrantStock Option (right to buy) · Derivative 814,941 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033205 · doc4.xml · derivative · entry 3

FRAZIER KENNETH C · CIK 0001181175 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 814,941

Underlying: Common Stock · 814,941 shares

Expires 2026-05-09

F3 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Gerberding Julie L.EVP Strat Comm, Gl Pub Policy
GrantStock Option (right to buy) · Derivative 54,329 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033206 · doc4.xml · derivative · entry 2

Gerberding Julie L. · CIK 0001628884 · EVP Strat Comm, Gl Pub Policy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,329

Underlying: Common Stock · 54,329 shares

Expires 2026-05-09

F2 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Golestani ClarkEVP & Chief Info Officer
GrantStock Option (right to buy) · Derivative 50,934 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033207 · doc4.xml · derivative · entry 3

Golestani Clark · CIK 0001563786 · EVP & Chief Info Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,934

Underlying: Common Stock · 50,934 shares

Expires 2026-05-09

F3 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC GrantStock Option (right to buy) · Derivative 115,450 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033208 · doc4.xml · derivative · entry 2

GRADDICK WEIR MIRIAN M · CIK 0001168014 · Exe V-P, HR

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,450

Underlying: Common Stock · 115,450 shares

Expires 2026-05-09

F2 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Holston Michael JEVP, General Counsel
Exercise / conversionStock Option (right to buy) · Derivative 57,079 $0.00 Strike: $44.28 $0.00
Disclosure

SEC source: 0001225208-16-033209 · doc4.xml · derivative · entry 6

Holston Michael J · CIK 0001390613 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 57,079 shares

Expires 2022-07-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The option became exercisable in equal installments on 8/1/2013, 8/1/2014 and 8/1/2015.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Holston Michael JEVP, General Counsel
GrantStock Option (right to buy) · Derivative 149,406 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033209 · doc4.xml · derivative · entry 5

Holston Michael J · CIK 0001390613 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,406

Underlying: Common Stock · 149,406 shares

Expires 2026-05-09

F3 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Holston Michael JEVP, General Counsel
Exercise / conversionStock Option (right to buy) · Derivative 42,942 $0.00 Strike: $44.98 $0.00
Disclosure

SEC source: 0001225208-16-033209 · doc4.xml · derivative · entry 4

Holston Michael J · CIK 0001390613 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 42,942 shares

Expires 2023-05-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The option became exercisable in equal installments on 5/6/2014, 5/6/2015 and 5/6/2016.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Holston Michael JEVP, General Counsel
SaleCommon Stock 100,021 $54.50 $5,451,144.50
Disclosure

SEC source: 0001225208-16-033209 · doc4.xml · nonDerivative · entry 3

Holston Michael J · CIK 0001390613 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,280.227

F1 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Holston Michael JEVP, General Counsel
Exercise / conversionCommon Stock 42,942 $44.98 $1,931,531.16
Disclosure

SEC source: 0001225208-16-033209 · doc4.xml · nonDerivative · entry 2

Holston Michael J · CIK 0001390613 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,301.227

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:39 UTC
Holston Michael JEVP, General Counsel
Exercise / conversionCommon Stock 57,079 $44.28 $2,527,458.12
Disclosure

SEC source: 0001225208-16-033209 · doc4.xml · nonDerivative · entry 1

Holston Michael J · CIK 0001390613 · EVP, General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,359.227

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:40 UTC
Karachun Rita ASr. VP Fince-Global Controller
GrantStock Option (right to buy) · Derivative 40,747 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033210 · doc4.xml · derivative · entry 3

Karachun Rita A · CIK 0001601572 · Sr. VP Fince-Global Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,747

Underlying: Common Stock · 40,747 shares

Expires 2026-05-09

F3 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:40 UTC
Karachun Rita ASr. VP Fince-Global Controller
GrantRestricted Stock Unit · Derivative 3,292 $0.00 $0.00
Disclosure

SEC source: 0001225208-16-033210 · doc4.xml · derivative · entry 2

Karachun Rita A · CIK 0001601572 · Sr. VP Fince-Global Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,292

Underlying: Common Stock · 3,292 shares

Expires 2019-05-10

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:40 UTC
PERLMUTTER ROGER MExe V-P & Pres, MRL
GrantStock Option (right to buy) · Derivative 271,647 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033211 · doc4.xml · derivative · entry 2

PERLMUTTER ROGER M · CIK 0001184228 · Exe V-P & Pres, MRL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,647

Underlying: Common Stock · 271,647 shares

Expires 2026-05-09

F2 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:40 UTC
Rosenblatt MichaelExec V-P & Chief Med Officer
GrantStock Option (right to buy) · Derivative 50,934 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033212 · doc4.xml · derivative · entry 2

Rosenblatt Michael · CIK 0001478797 · Exec V-P & Chief Med Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,934

Underlying: Common Stock · 50,934 shares

Expires 2026-05-09

F2 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:40 UTC
Schechter Adam HEVP & Pres-Global Human Health
GrantStock Option (right to buy) · Derivative 258,065 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033213 · doc4.xml · derivative · entry 2

Schechter Adam H · CIK 0001376841 · EVP & Pres-Global Human Health

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 258,065

Underlying: Common Stock · 258,065 shares

Expires 2026-05-09

F2 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 10, 2016 Filed May 12, 2016 15:40 UTC
Davis Robert MEVP, CFO & Global Svcs
GrantStock Option (right to buy) · Derivative 251,273 $0.00 Strike: $54.68 $0.00
Disclosure

SEC source: 0001225208-16-033214 · doc4.xml · derivative · entry 1

Davis Robert M · CIK 0001363076 · EVP, CFO & Global Svcs

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,273

Underlying: Common Stock · 251,273 shares

Expires 2026-05-09

F1 · derivative.exercise_date: The option vests and becomes exercisable in three equal installments on 5/10/2017, 5/10/2018 and 5/10/2019.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:20 UTC
Chattopadhyay SanatExe V-P & Pres. MMD
Exercise / conversionRestricted Stock Unit · Derivative 4,002 $54.09 $216,468.18
Disclosure

SEC source: 0001225208-16-032903 · doc4.xml · derivative · entry 3

Chattopadhyay Sanat · CIK 0001670690 · Exe V-P & Pres. MMD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,002 shares

Expires 2016-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:20 UTC
Chattopadhyay SanatExe V-P & Pres. MMD
Tax withholdingCommon Stock 1,258 $54.09 $68,045.22
Disclosure

SEC source: 0001225208-16-032903 · doc4.xml · nonDerivative · entry 2

Chattopadhyay Sanat · CIK 0001670690 · Exe V-P & Pres. MMD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,171.795

F1 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:20 UTC
Chattopadhyay SanatExe V-P & Pres. MMD
Exercise / conversionCommon Stock 4,002 $0.00 $0.00
Disclosure

SEC source: 0001225208-16-032903 · doc4.xml · nonDerivative · entry 1

Chattopadhyay Sanat · CIK 0001670690 · Exe V-P & Pres. MMD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,429.795

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
Gerberding Julie L.EVP Strat Comm, Gl Pub Policy
Exercise / conversionRestricted Stock Unit · Derivative 4,002 $54.09 $216,468.18
Disclosure

SEC source: 0001225208-16-032904 · doc4.xml · derivative · entry 3

Gerberding Julie L. · CIK 0001628884 · EVP Strat Comm, Gl Pub Policy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,002 shares

Expires 2016-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
Gerberding Julie L.EVP Strat Comm, Gl Pub Policy
Tax withholdingCommon Stock 1,566 $54.09 $84,704.94
Disclosure

SEC source: 0001225208-16-032904 · doc4.xml · nonDerivative · entry 2

Gerberding Julie L. · CIK 0001628884 · EVP Strat Comm, Gl Pub Policy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,654.646

F1 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
Gerberding Julie L.EVP Strat Comm, Gl Pub Policy
Exercise / conversionCommon Stock 4,002 $0.00 $0.00
Disclosure

SEC source: 0001225208-16-032904 · doc4.xml · nonDerivative · entry 1

Gerberding Julie L. · CIK 0001628884 · EVP Strat Comm, Gl Pub Policy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,220.646

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
Karachun Rita ASr. VP Fince-Global Controller
Exercise / conversionRestricted Stock Unit · Derivative 2,001 $54.09 $108,234.09
Disclosure

SEC source: 0001225208-16-032905 · doc4.xml · derivative · entry 3

Karachun Rita A · CIK 0001601572 · Sr. VP Fince-Global Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,001 shares

Expires 2016-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
Karachun Rita ASr. VP Fince-Global Controller
Tax withholdingCommon Stock 746 $54.09 $40,351.14
Disclosure

SEC source: 0001225208-16-032905 · doc4.xml · nonDerivative · entry 2

Karachun Rita A · CIK 0001601572 · Sr. VP Fince-Global Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,628.566

F1 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
Karachun Rita ASr. VP Fince-Global Controller
Exercise / conversionCommon Stock 2,001 $0.00 $0.00
Disclosure

SEC source: 0001225208-16-032905 · doc4.xml · nonDerivative · entry 1

Karachun Rita A · CIK 0001601572 · Sr. VP Fince-Global Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,374.566

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
PERLMUTTER ROGER MExe V-P & Pres, MRL
Exercise / conversionRestricted Stock Unit · Derivative 44,464 $54.09 $2,405,057.76
Disclosure

SEC source: 0001225208-16-032906 · doc4.xml · derivative · entry 3

PERLMUTTER ROGER M · CIK 0001184228 · Exe V-P & Pres, MRL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 44,464 shares

Expires 2016-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
PERLMUTTER ROGER MExe V-P & Pres, MRL
Tax withholdingCommon Stock 26,946 $54.09 $1,457,509.14
Disclosure

SEC source: 0001225208-16-032906 · doc4.xml · nonDerivative · entry 2

PERLMUTTER ROGER M · CIK 0001184228 · Exe V-P & Pres, MRL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67,953.392

F1 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
PERLMUTTER ROGER MExe V-P & Pres, MRL
Exercise / conversionCommon Stock 44,464 $0.00 $0.00
Disclosure

SEC source: 0001225208-16-032906 · doc4.xml · nonDerivative · entry 1

PERLMUTTER ROGER M · CIK 0001184228 · Exe V-P & Pres, MRL

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,899.392

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
AMBROSE ADELE DSr.V-P & Chief Comuns Officer
Exercise / conversionRestricted Stock Unit · Derivative 3,335 $54.09 $180,390.15
Disclosure

SEC source: 0001225208-16-032907 · doc4.xml · derivative · entry 3

AMBROSE ADELE D · CIK 0001182424 · Sr.V-P & Chief Comuns Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,335 shares

Expires 2016-05-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
AMBROSE ADELE DSr.V-P & Chief Comuns Officer
Tax withholdingCommon Stock 1,243 $54.09 $67,233.87
Disclosure

SEC source: 0001225208-16-032907 · doc4.xml · nonDerivative · entry 2

AMBROSE ADELE D · CIK 0001182424 · Sr.V-P & Chief Comuns Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,685.178

F1 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
May 06, 2016 Filed May 9, 2016 20:21 UTC
AMBROSE ADELE DSr.V-P & Chief Comuns Officer
Exercise / conversionCommon Stock 3,335 $0.00 $0.00
Disclosure

SEC source: 0001225208-16-032907 · doc4.xml · nonDerivative · entry 1

AMBROSE ADELE D · CIK 0001182424 · Sr.V-P & Chief Comuns Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,928.178

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 14, 2016 Filed Apr 14, 2016 18:25 UTC
FRAZIER KENNETH CDirector · Chairman, President & CEO
Exercise / conversionStock Option (right to buy) · Derivative 131,040 $0.00 Strike: $44.19 $0.00
Disclosure

SEC source: 0001225208-16-031436 · doc4.xml · derivative · entry 4

FRAZIER KENNETH C · CIK 0001181175 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 131,040 shares

Expires 2017-03-01

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: The option became exercisable in equal installments on 3/2/2008, 3/2/2009 and 3/2/2010.

Read SEC document
April 14, 2016 Filed Apr 14, 2016 18:25 UTC
FRAZIER KENNETH CDirector · Chairman, President & CEO
SaleCommon Stock 131,040 $56.11 $7,352,942.69
Disclosure

SEC source: 0001225208-16-031436 · doc4.xml · nonDerivative · entry 2

FRAZIER KENNETH C · CIK 0001181175 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 522,477.063

F1 · kind: The exercise and sale transactions reported in this Form 4 are made pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.0000 to $56.2300, inclusive. The reporting person undertakes to provide to Merck & Co., Inc., any security holder of Merck & Co., Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above in this footnote.

F3 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

Read SEC document
April 14, 2016 Filed Apr 14, 2016 18:25 UTC
FRAZIER KENNETH CDirector · Chairman, President & CEO
Exercise / conversionCommon Stock 131,040 $44.19 $5,790,657.60
Disclosure

SEC source: 0001225208-16-031436 · doc4.xml · nonDerivative · entry 1

FRAZIER KENNETH C · CIK 0001181175 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 653,517.063

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
April 13, 2016 Filed Apr 13, 2016 19:03 UTC Exercise / conversionStock Option (right to buy) · Derivative 5,000 $0.00 Strike: $34.44 $0.00
Disclosure

SEC source: 0001225208-16-031395 · doc4.xml · derivative · entry 2

HARRISON WILLIAM B JR · CIK 0001179576 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2016-04-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: The option became exercisable in equal installments on 4/28/2007, 4/28/2008 and 4/28/2009.

Read SEC document
April 13, 2016 Filed Apr 13, 2016 19:03 UTC Exercise / conversionCommon Stock 5,000 $34.44 $172,200.00
Disclosure

SEC source: 0001225208-16-031395 · doc4.xml · nonDerivative · entry 1

HARRISON WILLIAM B JR · CIK 0001179576 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,400

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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March 31, 2016 Filed Apr 4, 2016 20:02 UTC GrantPhantom Stock · Derivative 614.2506 $52.91 $32,500.00
Disclosure

SEC source: 0001225208-16-030773 · doc4.xml · derivative · entry 2

GLOCER THOMAS H · CIK 0001140799 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,209.517

Underlying: Common Stock · 614.2506 shares

Expires not disclosed

F1 · derivative.exercise_price: 1-for-1

F2 · derivative.exercise_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F2 · derivative.expiration_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F3 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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March 31, 2016 Filed Apr 4, 2016 20:02 UTC GrantPhantom Stock · Derivative 756.0008 $52.91 $40,000.00
Disclosure

SEC source: 0001225208-16-030774 · doc4.xml · derivative · entry 2

HARRISON WILLIAM B JR · CIK 0001179576 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,601.9821

Underlying: Common Stock · 756.0008 shares

Expires not disclosed

F1 · derivative.exercise_price: 1-for-1

F2 · derivative.exercise_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F2 · derivative.expiration_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F3 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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March 31, 2016 Filed Apr 4, 2016 20:02 UTC GrantPhantom Stock · Derivative 519.7505 $52.91 $27,500.00
Disclosure

SEC source: 0001225208-16-030775 · doc4.xml · derivative · entry 3

LAZARUS ROCHELLE B · CIK 0001082206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,996.1485

Underlying: Common Stock · 519.7505 shares

Expires not disclosed

F1 · derivative.exercise_price: 1-for-1

F2 · derivative.exercise_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F2 · derivative.expiration_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F3 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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March 31, 2016 Filed Apr 4, 2016 20:02 UTC GrantPhantom Stock · Derivative 567.0006 $52.91 $30,000.00
Disclosure

SEC source: 0001225208-16-030776 · doc4.xml · derivative · entry 3

WEEKS WENDELL P · CIK 0001206158 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,310.1606

Underlying: Common Stock · 567.0006 shares

Expires not disclosed

F1 · derivative.exercise_price: 1-for-1

F2 · derivative.exercise_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F2 · derivative.expiration_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F3 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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March 31, 2016 Filed Apr 4, 2016 20:02 UTC GrantPhantom Stock · Derivative 519.7505 $52.91 $27,500.00
Disclosure

SEC source: 0001225208-16-030777 · doc4.xml · derivative · entry 2

WENDELL PETER C · CIK 0001032635 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,298.6475

Underlying: Common Stock · 519.7505 shares

Expires not disclosed

F1 · derivative.exercise_price: 1-for-1

F2 · derivative.exercise_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F2 · derivative.expiration_date: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F3 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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February 22, 2016 Filed Feb 24, 2016 17:37 UTC
AMBROSE ADELE DSr.V-P & Chief Comuns Officer
GrantCommon Stock 2,537 $50.77 $128,803.49
Disclosure

SEC source: 0001225208-16-027756 · doc4.xml · nonDerivative · entry 1

AMBROSE ADELE D · CIK 0001182424 · Sr.V-P & Chief Comuns Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,408.122

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance share units granted on 03/29/2013. Performance shares were paid out at 105 percent of target awards.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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February 22, 2016 Filed Feb 24, 2016 17:37 UTC
Deese Willie AExe V-P & Pres. MMD
GrantCommon Stock 14,557 $50.77 $739,058.89
Disclosure

SEC source: 0001225208-16-027757 · doc4.xml · nonDerivative · entry 1

Deese Willie A · CIK 0001328766 · Exe V-P & Pres. MMD

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,759.3521

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance share units granted on 03/29/2013. Performance shares were paid out at 105 percent of target awards.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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February 22, 2016 Filed Feb 24, 2016 17:37 UTC
DeLuca Richard R.EVP&Pres, Merck Animal Health
GrantCommon Stock 11,332 $50.77 $575,325.64
Disclosure

SEC source: 0001225208-16-027758 · doc4.xml · nonDerivative · entry 1

DeLuca Richard R. · CIK 0001421339 · EVP&Pres, Merck Animal Health

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,583.479

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance share units granted on 03/29/2013. Performance shares were paid out at 105 percent of target awards.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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February 22, 2016 Filed Feb 24, 2016 17:37 UTC
FRAZIER KENNETH CDirector · Chairman, President & CEO
GrantCommon Stock 93,241 $50.77 $4,733,845.57
Disclosure

SEC source: 0001225208-16-027759 · doc4.xml · nonDerivative · entry 1

FRAZIER KENNETH C · CIK 0001181175 · Director · Chairman, President & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 522,477.063

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance share units granted on 03/29/2013. Performance shares were paid out at 105 percent of target awards.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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February 22, 2016 Filed Feb 24, 2016 17:37 UTC
Gerberding Julie L.EVP Strat Comm, Gl Pub Policy
GrantCommon Stock 3,377 $50.77 $171,450.29
Disclosure

SEC source: 0001225208-16-027760 · doc4.xml · nonDerivative · entry 1

Gerberding Julie L. · CIK 0001628884 · EVP Strat Comm, Gl Pub Policy

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,986.088

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance share units granted on 03/29/2013. Performance shares were paid out at 105 percent of target awards.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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February 22, 2016 Filed Feb 24, 2016 17:38 UTC
Golestani ClarkEVP & Chief Info Officer
GrantCommon Stock 6,150 $50.77 $312,235.50
Disclosure

SEC source: 0001225208-16-027761 · doc4.xml · nonDerivative · entry 1

Golestani Clark · CIK 0001563786 · EVP & Chief Info Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,313

F1 · shares: Distribution of net after tax shares of common stock on satisfaction of performance share units granted on 03/29/2013. Performance shares were paid out at 105 percent of target awards.

F2 · balance_after: Holdings include shares acquired in dividend reinvestment transactions.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.