Insider transactions Merck & Co., Inc.

Stocks

MRK

US58933Y1055

Pharmaceuticals

Real-time Estimate Cboe BZX Other stock markets 15:24:29 22/07/2026 BST			5-day change	1st Jan Change
128.74 ^USD	+1.96%		+3.57%	+21.62%

07-21	Gilead, Merck weekly HIV pill keeps virus suppressed in late-stage trials	RE
07-17	GSK stops development of chronic cough drug after late-stage trial miss	RE

Insider Transaction History

Latest insider transactions for Merck & Co., Inc.

Date	Insider	Type	Main position	Quantity	Price	Amount	% Market Cap.
30/06/26	Christine Seidman	Other	Director	63	125.37	7.9K	0.0000%
30/06/26	Mary Coe	Other	Director	233	125.37	29.21K	0.0000%
30/06/26	Surendralal Karsanbhai	Other	Director	126	125.37	15.8K	0.0000%
29/05/26	Tom Glocer	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Patricia Russo	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Mary Coe	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Pamela Craig	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Paul Rothman	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Risa Lavizzo-Mourey	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Surendralal Karsanbhai	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Kathy Warden	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Inge Thulin	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Douglas Baker	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Christine Seidman	Other	Director	1,853	114.70	213K	0.0001%
29/05/26	Stephen Mayo	Other	Director	1,853	114.70	213K	0.0001%
05/05/26	Richard DeLuca	Other	Executive/Senior Manager	46,855	111.38	5.22M	0.0019%
05/05/26	Dean Li	Other	Executive/Senior Manager	78,092	111.38	8.7M	0.0032%
05/05/26	Jannie Oosthuizen	Other	Executive/Senior Manager	41,649	111.38	4.64M	0.0017%
05/05/26	Chirfi Guindo	Other	Public Communications Manager	26,030	111.38	2.9M	0.0011%
05/05/26	Robert Davis	Other	Chief Executive Officer	187,421	111.38	20.87M	0.0076%
05/05/26	Dalton Smart	Other	Controller/Auditor	7,343	111.38	818K	0.0003%
05/05/26	Brian Foard	Free	EVP, Specialty, Pharma, & ID	77,000	111.38	8.58M	0.0031%
05/05/26	David Michael Williams	Other	EVP,Chief Info&Digital Officer	18,222	111.38	2.03M	0.0007%
05/05/26	Betty Larson	Other	Head of Human Resources	31,237	111.38	3.48M	0.0013%
05/05/26	Jennifer Zachary	Other	General Counsel	47,376	111.38	5.28M	0.0019%
05/05/26	Caroline Litchfield	Other	Chief Financial Officer	62,474	111.38	6.96M	0.0025%
05/05/26	David R Maraldo	Other	EVP & Pres. MMD	29,155	111.38	3.25M	0.0012%
02/05/26	David R Maraldo	Fiscal year	EVP & Pres. MMD	1,263	112.16	79.75K	0.0001%
02/05/26	Dalton Smart	Fiscal year	Controller/Auditor	898	112.16	57.76K	0.0000%
01/05/26	David R Maraldo	Other	EVP & Pres. MMD	26,178	-	-	0.0011%
29/04/26	Robert Davis	Fiscal year	Chief Executive Officer	33,151	110.03	2.18M	0.0013%
29/04/26	Jannie Oosthuizen	Fiscal year	Executive/Senior Manager	3,433	110.03	226K	0.0001%
29/04/26	Richard DeLuca	Fiscal year	Executive/Senior Manager	6,277	110.03	414K	0.0003%
29/04/26	Sanat Chattopadhyay	Fiscal year	Executive/Senior Manager	6,324	110.03	410K	0.0003%
29/04/26	Dean Li	Fiscal year	Executive/Senior Manager	11,770	110.03	775K	0.0005%
29/04/26	Dave Williams	Fiscal year	Chief Technology Officer	3,433	110.03	226K	0.0001%
29/04/26	Betty Larson	Fiscal year	Head of Human Resources	32,728	110.82	2.14M	0.0013%
29/04/26	Chirfi Guindo	Fiscal year	Public Communications Manager	4,903	110.03	323K	0.0002%
29/04/26	Jennifer Zachary	Fiscal year	General Counsel	7,356	110.03	485K	0.0003%
29/04/26	Caroline Litchfield	Fiscal year	Chief Financial Officer	9,808	110.03	646K	0.0004%
31/03/26	Tom Glocer	Other	Director	405	-	-	0.0000%
31/03/26	Christine Seidman	Other	Director	68	-	-	0.0000%
31/03/26	Mary Coe	Other	Director	249	-	-	0.0000%
12/02/26	Chirfi Guindo	Sell	Public Communications Manager	10,000	121.46	1.21M	0.0004%
10/02/26	Dean Li	Sell	Executive/Senior Manager	10,235	117.52	1.2M	0.0004%
09/02/26	Chirfi Guindo	Sell	Public Communications Manager	10,000	118.41	1.18M	0.0004%
09/02/26	Jennifer Zachary	Fiscal year	General Counsel	364,719	119.15	28.97M	0.0147%
06/02/26	Johannes Jacobus Oosthuizen	Sell	President, U.S. Market	15,000	121.87	1.83M	0.0006%
06/02/26	David Michael Williams	Fiscal year	EVP,Chief Info&Digital Officer	15,000	99.76	998K	0.0006%
06/02/26	Richard DeLuca	Sell	Executive/Senior Manager	37,685	120.92	4.56M	0.0015%