MRK

Merck & Co., Inc.

Insider trading activity for Merck & Co., Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$30M

net selling

Bought(0 · 0 insiders): $0
Sold(17 · 5 insiders): $30M

Past 6 months

-$30M

net selling

Bought(0 · 0 insiders): $0
Sold(17 · 5 insiders): $30M

Past 12 months

-$30M

net selling

Bought(0 · 0 insiders): $0
Sold(17 · 5 insiders): $30M

Transaction history

The 79 most recent Form 4 transactions.

Open in screener →

Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 13	Guindo Chirfi	EVP, Access, Policy &…	SSELL	10,000	$135.00	$1.4M	-21.4%	Open the original filing on SEC.gov
Aug 12	Zachary Jennifer	EVP, General Counsel	MEXER◆	13,433	—	—	—	Open the original filing on SEC.gov
Aug 12	Zachary Jennifer	EVP, General Counsel	MEXER◆	41,494	—	—	—	Open the original filing on SEC.gov
Aug 12	Zachary Jennifer	EVP, General Counsel	SSELL	80,315	$133.46	$10.7M	-63.8%	Open the original filing on SEC.gov
Aug 12	Zachary Jennifer	EVP, General Counsel	MEXER	13,433	$84.71	$1.1M	+11.9%	Open the original filing on SEC.gov
Aug 12	Zachary Jennifer	EVP, General Counsel	MEXER	41,494	$117.89	$4.9M	+58.5%	Open the original filing on SEC.gov
Aug 12	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	600	$132.04	$79.2K	-0.5%	Open the original filing on SEC.gov
Aug 12	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	11,099	$131.61	$1.5M	-9.1%	Open the original filing on SEC.gov
Aug 11	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	5,427	$132.35	$718.3K	-4.3%	Open the original filing on SEC.gov
Aug 11	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	7,410	$131.33	$973.2K	-5.5%	Open the original filing on SEC.gov
Aug 10	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	20,784	$130.43	$2.7M	-13.4%	Open the original filing on SEC.gov
Aug 6	Guindo Chirfi	EVP, Access, Policy &…	SSELL	15,000	$131.00	$2M	-24.3%	Open the original filing on SEC.gov
Aug 6	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	300	$131.02	$39.3K	-0.2%	Open the original filing on SEC.gov
Aug 6	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	4,945	$130.23	$644K	-3.1%	Open the original filing on SEC.gov
Aug 6	DeLuca Richard R.	EVP&Pres, Merck Animal…	SSELL	805	$131.02	$105.5K	-0.5%	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	MEXER◆	34,705	—	—	—	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	MEXER◆	13,542	—	—	—	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	MEXER◆	4,600	—	—	—	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	SSELL	34,705	$128.77	$4.5M	-52.3%	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	MEXER	34,705	$73.73	$2.6M	+109.4%	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	SSELL	13,542	$128.77	$1.7M	-29.9%	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	MEXER	13,542	$75.36	$1M	+42.7%	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	SSELL	4,600	$128.77	$592.3K	-12.7%	Open the original filing on SEC.gov
Aug 5	Williams David Michael	EVP,Chief Info&Digital…	MEXER	4,600	$77.62	$357.1K	+14.5%	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	MEXER◆	2,686	—	—	—	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	MEXER◆	9,709	—	—	—	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	MEXER◆	6,311	—	—	—	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	SSELL	2,686	$128.72	$345.7K	-12.8%	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	MEXER	2,686	$84.71	$227.5K	+14.8%	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	SSELL	9,709	$128.72	$1.2M	-34.8%	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	MEXER	9,709	$87.10	$845.7K	+53.3%	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	SSELL	6,311	$128.72	$812.3K	-25.7%	Open the original filing on SEC.gov
Aug 5	Maraldo David R.	EVP & Pres. MMD	MEXER	6,311	$73.73	$465.3K	+34.6%	Open the original filing on SEC.gov
Jun 30	Seidman Christine E	Director	AGRANT◆	63.23	$128.50	$8.1K	—	Open the original filing on SEC.gov
Jun 30	Karsanbhai Surendralal…	Director	AGRANT◆	126.46	$128.50	$16.2K	—	Open the original filing on SEC.gov
Jun 30	Coe Mary Ellen	Director	AGRANT◆	233.46	$128.50	$30K	—	Open the original filing on SEC.gov
May 29	Warden Kathy J	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Thulin Inge G	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Seidman Christine E	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Russo Patricia F	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Rothman Paul	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Mayo Stephen	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Lavizzo-Mourey Risa J	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Karsanbhai Surendralal…	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Glocer Thomas H	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Craig Pamela J.	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Coe Mary Ellen	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 29	Baker Douglas M Jr	Director	AGRANT◆	1,853.1	$118.72	$220K	—	Open the original filing on SEC.gov
May 5	Zachary Jennifer	EVP, General Counsel	AGRANT◆	35,312	—	—	—	Open the original filing on SEC.gov
May 5	Zachary Jennifer	EVP, General Counsel	AGRANT◆	12,064	—	—	—	Open the original filing on SEC.gov
May 5	Williams David Michael	EVP,Chief Info&Digital…	AGRANT◆	13,582	—	—	—	Open the original filing on SEC.gov
May 5	Williams David Michael	EVP,Chief Info&Digital…	AGRANT◆	4,640	—	—	—	Open the original filing on SEC.gov
May 5	Oosthuizen Johannes…	EVP, Oncology & Int?l	AGRANT◆	31,044	—	—	—	Open the original filing on SEC.gov
May 5	Oosthuizen Johannes…	EVP, Oncology & Int?l	AGRANT◆	10,605	—	—	—	Open the original filing on SEC.gov
May 5	Smart Dalton E. III	SVP Fin. - Global…	AGRANT◆	5,045	—	—	—	Open the original filing on SEC.gov
May 5	Smart Dalton E. III	SVP Fin. - Global…	AGRANT◆	2,298	—	—	—	Open the original filing on SEC.gov
May 5	Maraldo David R.	EVP & Pres. MMD	AGRANT◆	21,731	—	—	—	Open the original filing on SEC.gov
May 5	Maraldo David R.	EVP & Pres. MMD	AGRANT◆	7,424	—	—	—	Open the original filing on SEC.gov
May 5	Litchfield Caroline	EVP & CFO	AGRANT◆	46,566	—	—	—	Open the original filing on SEC.gov
May 5	Litchfield Caroline	EVP & CFO	AGRANT◆	15,908	—	—	—	Open the original filing on SEC.gov
May 5	Li Dean Y	Executive VP & President…	AGRANT◆	58,207	—	—	—	Open the original filing on SEC.gov
May 5	Li Dean Y	Executive VP & President…	AGRANT◆	19,885	—	—	—	Open the original filing on SEC.gov
May 5	Larson Betty D	EVP, Chief HR Officer	AGRANT◆	23,283	—	—	—	Open the original filing on SEC.gov
May 5	Larson Betty D	EVP, Chief HR Officer	AGRANT◆	7,954	—	—	—	Open the original filing on SEC.gov
May 5	Guindo Chirfi	EVP, Access, Policy &…	AGRANT◆	19,402	—	—	—	Open the original filing on SEC.gov
May 5	Guindo Chirfi	EVP, Access, Policy &…	AGRANT◆	6,628	—	—	—	Open the original filing on SEC.gov
May 5	Foard Brian	EVP, Specialty, Pharma,…	AGRANT◆	31,044	—	—	—	Open the original filing on SEC.gov
May 5	Foard Brian	EVP, Specialty, Pharma,…	AGRANT◆	35,351	—	—	—	Open the original filing on SEC.gov
May 5	Foard Brian	EVP, Specialty, Pharma,…	AGRANT◆	10,605	—	—	—	Open the original filing on SEC.gov
May 5	DeLuca Richard R.	EVP&Pres, Merck Animal…	AGRANT◆	34,924	—	—	—	Open the original filing on SEC.gov
May 5	DeLuca Richard R.	EVP&Pres, Merck Animal…	AGRANT◆	11,931	—	—	—	Open the original filing on SEC.gov
May 5	Davis Robert M	Chairman, CEO &…	AGRANT◆	139,697	—	—	—	Open the original filing on SEC.gov
May 5	Davis Robert M	Chairman, CEO &…	AGRANT◆	47,724	—	—	—	Open the original filing on SEC.gov
May 2	Smart Dalton E. III	SVP Fin. - Global…	MEXER◆	383	—	—	—	Open the original filing on SEC.gov
May 2	Smart Dalton E. III	SVP Fin. - Global…	FTAX	132	$112.16	$14.8K	-1.4%	Open the original filing on SEC.gov
May 2	Smart Dalton E. III	SVP Fin. - Global…	MEXER	383	$112.16	$43K	+4.2%	Open the original filing on SEC.gov
May 2	Maraldo David R.	EVP & Pres. MMD	MEXER◆	552	—	—	—	Open the original filing on SEC.gov
May 2	Maraldo David R.	EVP & Pres. MMD	FTAX	159	$112.16	$17.8K	-0.9%	Open the original filing on SEC.gov
May 2	Maraldo David R.	EVP & Pres. MMD	MEXER	552	$112.16	$61.9K	+3.1%	Open the original filing on SEC.gov

SSELL$1.4M

Guindo Chirfi · EVP, Access,…Aug 13

10,000 sh @ $135.00 · -21.4% own

MEXER◆—

Zachary Jennifer · EVP, General…Aug 12

13,433 sh

MEXER◆—

Zachary Jennifer · EVP, General…Aug 12

41,494 sh

SSELL$10.7M

Zachary Jennifer · EVP, General…Aug 12

80,315 sh @ $133.46 · -63.8% own

MEXER$1.1M

Zachary Jennifer · EVP, General…Aug 12

13,433 sh @ $84.71 · +11.9% own

MEXER$4.9M

Zachary Jennifer · EVP, General…Aug 12

41,494 sh @ $117.89 · +58.5% own

SSELL$79.2K

DeLuca Richard R. · EVP&Pres, Merck…Aug 12

600 sh @ $132.04 · -0.5% own

SSELL$1.5M

DeLuca Richard R. · EVP&Pres, Merck…Aug 12

11,099 sh @ $131.61 · -9.1% own

SSELL$718.3K

DeLuca Richard R. · EVP&Pres, Merck…Aug 11

5,427 sh @ $132.35 · -4.3% own

SSELL$973.2K

DeLuca Richard R. · EVP&Pres, Merck…Aug 11

7,410 sh @ $131.33 · -5.5% own

SSELL$2.7M

DeLuca Richard R. · EVP&Pres, Merck…Aug 10

20,784 sh @ $130.43 · -13.4% own

SSELL$2M

Guindo Chirfi · EVP, Access,…Aug 6

15,000 sh @ $131.00 · -24.3% own

SSELL$39.3K

DeLuca Richard R. · EVP&Pres, Merck…Aug 6

300 sh @ $131.02 · -0.2% own

SSELL$644K

DeLuca Richard R. · EVP&Pres, Merck…Aug 6

4,945 sh @ $130.23 · -3.1% own

SSELL$105.5K

DeLuca Richard R. · EVP&Pres, Merck…Aug 6

805 sh @ $131.02 · -0.5% own

MEXER◆—

Williams David Michael · EVP,Chief Info&Dig…Aug 5

34,705 sh

MEXER◆—

Williams David Michael · EVP,Chief Info&Dig…Aug 5

13,542 sh

MEXER◆—

Williams David Michael · EVP,Chief Info&Dig…Aug 5

4,600 sh

SSELL$4.5M

Williams David Michael · EVP,Chief Info&Dig…Aug 5

34,705 sh @ $128.77 · -52.3% own

MEXER$2.6M

Williams David Michael · EVP,Chief Info&Dig…Aug 5

34,705 sh @ $73.73 · +109.4% own

SSELL$1.7M

Williams David Michael · EVP,Chief Info&Dig…Aug 5

13,542 sh @ $128.77 · -29.9% own

MEXER$1M

Williams David Michael · EVP,Chief Info&Dig…Aug 5

13,542 sh @ $75.36 · +42.7% own

SSELL$592.3K

Williams David Michael · EVP,Chief Info&Dig…Aug 5

4,600 sh @ $128.77 · -12.7% own

MEXER$357.1K

Williams David Michael · EVP,Chief Info&Dig…Aug 5

4,600 sh @ $77.62 · +14.5% own

MEXER◆—

Maraldo David R. · EVP & Pres. MMDAug 5

2,686 sh

MEXER◆—

Maraldo David R. · EVP & Pres. MMDAug 5

9,709 sh

MEXER◆—

Maraldo David R. · EVP & Pres. MMDAug 5

6,311 sh

SSELL$345.7K

Maraldo David R. · EVP & Pres. MMDAug 5

2,686 sh @ $128.72 · -12.8% own

MEXER$227.5K

Maraldo David R. · EVP & Pres. MMDAug 5

2,686 sh @ $84.71 · +14.8% own

SSELL$1.2M

Maraldo David R. · EVP & Pres. MMDAug 5

9,709 sh @ $128.72 · -34.8% own

MEXER$845.7K

Maraldo David R. · EVP & Pres. MMDAug 5

9,709 sh @ $87.10 · +53.3% own

SSELL$812.3K

Maraldo David R. · EVP & Pres. MMDAug 5

6,311 sh @ $128.72 · -25.7% own

MEXER$465.3K

Maraldo David R. · EVP & Pres. MMDAug 5

6,311 sh @ $73.73 · +34.6% own

AGRANT◆$8.1K

Seidman Christine E · DirectorJun 30

63.23 sh @ $128.50

AGRANT◆$16.2K

Karsanbhai Surendralal… · DirectorJun 30

126.46 sh @ $128.50

AGRANT◆$30K

Coe Mary Ellen · DirectorJun 30

233.46 sh @ $128.50

AGRANT◆$220K

Warden Kathy J · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Thulin Inge G · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Seidman Christine E · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Russo Patricia F · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Rothman Paul · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Mayo Stephen · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Lavizzo-Mourey Risa J · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Karsanbhai Surendralal… · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Glocer Thomas H · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Craig Pamela J. · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Coe Mary Ellen · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆$220K

Baker Douglas M Jr · DirectorMay 29

1,853.1 sh @ $118.72

AGRANT◆—

Zachary Jennifer · EVP, General…May 5

35,312 sh

AGRANT◆—

Zachary Jennifer · EVP, General…May 5

12,064 sh

AGRANT◆—

Williams David Michael · EVP,Chief Info&Dig…May 5

13,582 sh

AGRANT◆—

Williams David Michael · EVP,Chief Info&Dig…May 5

4,640 sh

AGRANT◆—

Oosthuizen Johannes… · EVP, Oncology &…May 5

31,044 sh

AGRANT◆—

Oosthuizen Johannes… · EVP, Oncology &…May 5

10,605 sh

AGRANT◆—

Smart Dalton E. III · SVP Fin. - Global…May 5

5,045 sh

AGRANT◆—

Smart Dalton E. III · SVP Fin. - Global…May 5

2,298 sh

AGRANT◆—

Maraldo David R. · EVP & Pres. MMDMay 5

21,731 sh

AGRANT◆—

Maraldo David R. · EVP & Pres. MMDMay 5

7,424 sh

AGRANT◆—

Litchfield Caroline · EVP & CFOMay 5

46,566 sh

AGRANT◆—

Litchfield Caroline · EVP & CFOMay 5

15,908 sh

AGRANT◆—

Li Dean Y · Executive VP &…May 5

58,207 sh

AGRANT◆—

Li Dean Y · Executive VP &…May 5

19,885 sh

AGRANT◆—

Larson Betty D · EVP, Chief HR…May 5

23,283 sh

AGRANT◆—

Larson Betty D · EVP, Chief HR…May 5

7,954 sh

AGRANT◆—

Guindo Chirfi · EVP, Access,…May 5

19,402 sh

AGRANT◆—

Guindo Chirfi · EVP, Access,…May 5

6,628 sh

AGRANT◆—

Foard Brian · EVP, Specialty,…May 5

31,044 sh

AGRANT◆—

Foard Brian · EVP, Specialty,…May 5

35,351 sh

AGRANT◆—

Foard Brian · EVP, Specialty,…May 5

10,605 sh

AGRANT◆—

DeLuca Richard R. · EVP&Pres, Merck…May 5

34,924 sh

AGRANT◆—

DeLuca Richard R. · EVP&Pres, Merck…May 5

11,931 sh

AGRANT◆—

Davis Robert M · Chairman, CEO &…May 5

139,697 sh

AGRANT◆—

Davis Robert M · Chairman, CEO &…May 5

47,724 sh

MEXER◆—

Smart Dalton E. III · SVP Fin. - Global…May 2

383 sh

FTAX$14.8K

Smart Dalton E. III · SVP Fin. - Global…May 2

132 sh @ $112.16 · -1.4% own

MEXER$43K

Smart Dalton E. III · SVP Fin. - Global…May 2

383 sh @ $112.16 · +4.2% own

MEXER◆—

Maraldo David R. · EVP & Pres. MMDMay 2

552 sh

FTAX$17.8K

Maraldo David R. · EVP & Pres. MMDMay 2

159 sh @ $112.16 · -0.9% own

MEXER$61.9K

Maraldo David R. · EVP & Pres. MMDMay 2

552 sh @ $112.16 · +3.1% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 36 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.