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$MRK

$124.73 +$1.19 (0.96%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

KENNETH C FRAZIER

936,422 shares

Net: 0 B/S: -

Adam H Schechter

277,879 shares

Net: 0 B/S: -

ROGER M PERLMUTTER

151,029 shares

Net: 0 B/S: -

Willie A Deese

133,759 shares

Net: 0 B/S: -

PETER C WENDELL

124,753 shares

Net: 0 B/S: -

THOMAS H GLOCER

110,912 shares

Net: +3,302 B/S: ∞

Frank Clyburn

97,095 shares

Net: 0 B/S: -

ROCHELLE B LAZARUS

87,596 shares

Net: 0 B/S: -

Michael J Holston

69,786 shares

Net: 0 B/S: -

PATRICIA F RUSSO

62,391 shares

Net: +1,853 B/S: ∞

WEIR MIRIAN M GRADDICK

62,213 shares

Net: 0 B/S: -

Michael Rosenblatt

50,934 shares

Net: 0 B/S: -

LESLIE A BRUN

49,719 shares

Net: 0 B/S: -

Julie L. Gerberding

48,712 shares

Net: 0 B/S: -

Robert M Davis

47,724 shares

Net: +86,935 B/S: 7.24

Rita A Karachun

45,710 shares

Net: 0 B/S: -

Thomas R Cech

40,238 shares

Net: 0 B/S: -

Paul Rothman

34,945 shares

Net: +1,853 B/S: ∞

Pamela J. Craig

34,945 shares

Net: +1,853 B/S: ∞

CARLOS E REPRESAS

33,755 shares

Net: 0 B/S: -

Craig B. Thompson

31,810 shares

Net: 0 B/S: -

Mary Ellen Coe

31,766 shares

Net: +2,744 B/S: ∞

Joseph Romanelli

28,739 shares

Net: +5,703 B/S: ∞

INGE G THULIN

27,470 shares

Net: +1,853 B/S: ∞

Michael A Klobuchar

23,621 shares

Net: 0 B/S: -

STEVEN MIZELL

23,619 shares

Net: 0 B/S: -

ADELE D AMBROSE

22,708 shares

Net: 0 B/S: -

Christine E Seidman

21,228 shares

Net: +2,095 B/S: ∞

Dean Y Li

19,885 shares

Net: +32,515 B/S: 2.38

Michael Nally

19,630 shares

Net: 0 B/S: -

Kathy J Warden

17,890 shares

Net: +1,853 B/S: ∞

RISA J LAVIZZO-MOUREY

17,749 shares

Net: +1,853 B/S: ∞

Inge G Thulin

16,519 shares

Net: 0 B/S: -

Sanat Chattopadhyay

16,477 shares

Net: +15,347 B/S: ∞

WILLIAM B JR HARRISON

16,400 shares

Net: 0 B/S: -

Caroline Litchfield

15,908 shares

Net: +33,757 B/S: 1.85

Stephen Mayo

14,825 shares

Net: +1,853 B/S: ∞

Clark Golestani

14,083 shares

Net: 0 B/S: -

Jennifer Zachary

12,064 shares

Net: +25,144 B/S: 2.03

Richard R. DeLuca

11,931 shares

Net: -12,213 B/S: 0.71

DOUGLAS M JR BAKER

11,518 shares

Net: +1,853 B/S: ∞

Johannes Jacobus Oosthuizen

10,605 shares

Net: +1,329 B/S: 1.13

Brian Foard

10,605 shares

Net: +10,605 B/S: ∞

Michael Fleming

10,283 shares

Net: 0 B/S: -

C ROBERT KIDDER

9,317 shares

Net: 0 B/S: -

John H Noseworthy

9,225 shares

Net: 0 B/S: -

Betty D Larson

7,954 shares

Net: +15,531 B/S: ∞

David R. Maraldo

7,424 shares

Net: +7,817 B/S: ∞

James H Scholefield

7,142 shares

Net: 0 B/S: -

Dalton Smart

7,014 shares

Net: 0 B/S: -

Chirfi Guindo

6,628 shares

Net: -3,781 B/S: 1.38

Surendralal Lanca Karsanbhai

5,392 shares

Net: +1,853 B/S: ∞

Lisa LeCointe-Cephas

5,142 shares

Net: 0 B/S: -

David Michael Williams

4,640 shares

Net: +11,523 B/S: 2.52

Ashley Watson

2,597 shares

Net: 0 B/S: -

Dalton E. III Smart

2,298 shares

Net: +4,540 B/S: 2.29

Arpa Garay

2,109 shares

Net: 0 B/S: -

WENDELL P WEEKS

100 shares

Net: 0 B/S: -

Cristal N Downing

0 shares

Net: -7,085 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
KENNETH C FRAZIER	936,422	0	-
Adam H Schechter	277,879	0	-
ROGER M PERLMUTTER	151,029	0	-
Willie A Deese	133,759	0	-
PETER C WENDELL	124,753	0	-
THOMAS H GLOCER	110,912	+3,302	∞
Frank Clyburn	97,095	0	-
ROCHELLE B LAZARUS	87,596	0	-
Michael J Holston	69,786	0	-
PATRICIA F RUSSO	62,391	+1,853	∞
WEIR MIRIAN M GRADDICK	62,213	0	-
Michael Rosenblatt	50,934	0	-
LESLIE A BRUN	49,719	0	-
Julie L. Gerberding	48,712	0	-
Robert M Davis	47,724	+86,935	7.24
Rita A Karachun	45,710	0	-
Thomas R Cech	40,238	0	-
Paul Rothman	34,945	+1,853	∞
Pamela J. Craig	34,945	+1,853	∞
CARLOS E REPRESAS	33,755	0	-
Craig B. Thompson	31,810	0	-
Mary Ellen Coe	31,766	+2,744	∞
Joseph Romanelli	28,739	+5,703	∞
INGE G THULIN	27,470	+1,853	∞
Michael A Klobuchar	23,621	0	-
STEVEN MIZELL	23,619	0	-
ADELE D AMBROSE	22,708	0	-
Christine E Seidman	21,228	+2,095	∞
Dean Y Li	19,885	+32,515	2.38
Michael Nally	19,630	0	-
Kathy J Warden	17,890	+1,853	∞
RISA J LAVIZZO-MOUREY	17,749	+1,853	∞
Inge G Thulin	16,519	0	-
Sanat Chattopadhyay	16,477	+15,347	∞
WILLIAM B JR HARRISON	16,400	0	-
Caroline Litchfield	15,908	+33,757	1.85
Stephen Mayo	14,825	+1,853	∞
Clark Golestani	14,083	0	-
Jennifer Zachary	12,064	+25,144	2.03
Richard R. DeLuca	11,931	-12,213	0.71
DOUGLAS M JR BAKER	11,518	+1,853	∞
Johannes Jacobus Oosthuizen	10,605	+1,329	1.13
Brian Foard	10,605	+10,605	∞
Michael Fleming	10,283	0	-
C ROBERT KIDDER	9,317	0	-
John H Noseworthy	9,225	0	-
Betty D Larson	7,954	+15,531	∞
David R. Maraldo	7,424	+7,817	∞
James H Scholefield	7,142	0	-
Dalton Smart	7,014	0	-
Chirfi Guindo	6,628	-3,781	1.38
Surendralal Lanca Karsanbhai	5,392	+1,853	∞
Lisa LeCointe-Cephas	5,142	0	-
David Michael Williams	4,640	+11,523	2.52
Ashley Watson	2,597	0	-
Dalton E. III Smart	2,298	+4,540	2.29
Arpa Garay	2,109	0	-
WENDELL P WEEKS	100	0	-
Cristal N Downing	0	-7,085	-

Individual Transactions

May 29, 2026

PATRICIA F RUSSO

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 62,391

Value: +$219,988

RISA J LAVIZZO-MOUREY

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 17,749

Value: +$219,988

THOMAS H GLOCER

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 110,912

Value: +$219,988

DOUGLAS M JR BAKER

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 11,518

Value: +$219,988

Pamela J. Craig

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 34,945

Value: +$219,988

INGE G THULIN

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 27,470

Value: +$219,988

Kathy J Warden

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 17,890

Value: +$219,988

Paul Rothman

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 34,945

Value: +$219,988

Mary Ellen Coe

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 31,766

Value: +$219,988

Surendralal Lanca Karsanbhai

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 5,392

Value: +$219,988

Christine E Seidman

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 21,228

Value: +$219,988

Stephen Mayo

Grant/Award Acquisition

Change: +1,853

Price: $118.72

Shares: 14,825

Value: +$219,988

Insider	Filing Date	Transaction	Shares	Change	Price	Value
PATRICIA F RUSSO	Jun 02	Grant/Award Acquisition (A) Compensation/Award	62,391	+1,853	$118.72	+$219,988
RISA J LAVIZZO-MOUREY	Jun 02	Grant/Award Acquisition (A) Compensation/Award	17,749	+1,853	$118.72	+$219,988
THOMAS H GLOCER	Jun 02	Grant/Award Acquisition (A) Compensation/Award	110,912	+1,853	$118.72	+$219,988
DOUGLAS M JR BAKER	Jun 02	Grant/Award Acquisition (A) Compensation/Award	11,518	+1,853	$118.72	+$219,988
Pamela J. Craig	Jun 02	Grant/Award Acquisition (A) Compensation/Award	34,945	+1,853	$118.72	+$219,988
INGE G THULIN	Jun 02	Grant/Award Acquisition (A) Compensation/Award	27,470	+1,853	$118.72	+$219,988
Kathy J Warden	Jun 02	Grant/Award Acquisition (A) Compensation/Award	17,890	+1,853	$118.72	+$219,988
Paul Rothman	Jun 02	Grant/Award Acquisition (A) Compensation/Award	34,945	+1,853	$118.72	+$219,988
Mary Ellen Coe	Jun 02	Grant/Award Acquisition (A) Compensation/Award	31,766	+1,853	$118.72	+$219,988
Surendralal Lanca Karsanbhai	Jun 02	Grant/Award Acquisition (A) Compensation/Award	5,392	+1,853	$118.72	+$219,988
Christine E Seidman	Jun 02	Grant/Award Acquisition (A) Compensation/Award	21,228	+1,853	$118.72	+$219,988
Stephen Mayo	Jun 02	Grant/Award Acquisition (A) Compensation/Award	14,825	+1,853	$118.72	+$219,988

May 05, 2026

Robert M Davis

Grant/Award Acquisition

Change: +47,724

Price: $0.00

Shares: 47,724

Value: +$0

Richard R. DeLuca

Grant/Award Acquisition

Change: +11,931

Price: $0.00

Shares: 11,931

Value: +$0

Betty D Larson

Grant/Award Acquisition

Change: +7,954

Price: $0.00

Shares: 7,954

Value: +$0

Chirfi Guindo

Grant/Award Acquisition

Change: +6,628

Price: $0.00

Shares: 6,628

Value: +$0

Jennifer Zachary

Grant/Award Acquisition

Change: +12,064

Price: $0.00

Shares: 12,064

Value: +$0

David Michael Williams

Grant/Award Acquisition

Change: +4,640

Price: $0.00

Shares: 4,640

Value: +$0

Dean Y Li

Grant/Award Acquisition

Change: +19,885

Price: $0.00

Shares: 19,885

Value: +$0

Caroline Litchfield

Grant/Award Acquisition

Change: +15,908

Price: $0.00

Shares: 15,908

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Robert M Davis	May 07	Grant/Award Acquisition (A) Compensation/Award	47,724	+47,724	$0.00	+$0
Richard R. DeLuca	May 07	Grant/Award Acquisition (A) Compensation/Award	11,931	+11,931	$0.00	+$0
Betty D Larson	May 07	Grant/Award Acquisition (A) Compensation/Award	7,954	+7,954	$0.00	+$0
Chirfi Guindo	May 07	Grant/Award Acquisition (A) Compensation/Award	6,628	+6,628	$0.00	+$0
Jennifer Zachary	May 07	Grant/Award Acquisition (A) Compensation/Award	12,064	+12,064	$0.00	+$0
David Michael Williams	May 07	Grant/Award Acquisition (A) Compensation/Award	4,640	+4,640	$0.00	+$0
Dean Y Li	May 07	Grant/Award Acquisition (A) Compensation/Award	19,885	+19,885	$0.00	+$0
Caroline Litchfield	May 07	Grant/Award Acquisition (A) Compensation/Award	15,908	+15,908	$0.00	+$0