MRK Insider Holders & Insider Ownership

List of insiders holdings for Merck & Co. Inc.:

Shares directly owned by the insider.
Shares indirectly owned by the insider.
Total shares owned by the insider (sum of shares directly and indirectly owned).
Total market value if available.
Shares are not adjusted for stock split.

"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#	Insider Holder Name	Report Date Time	Shares Owned Directly Indirectly	Total Shares Owned	Filing
1	CONNORS JOSEPH C Executive Vice President	2004-04-16 14:44:01	1,724,522 500,287	2,224,809	Form 4
2	WYSZOMIERSKI JACK L Executive Vice President	2003-12-03 16:37:45	1,415,239 0	1,415,239	Form 4
3	ZAHN RICHARD W Vice President	2003-12-04 10:48:01	1,148,811 3,628	1,152,439	Form 4
4	FRAZIER KENNETH C Executive Chair	2022-11-08 16:56:54	700,653 4,481	705,134	Form 4
5	Davis Robert M Chairman, CEO & President	2025-05-01 18:07:59	665,126 0	665,126	Form 4
6	KELLY THOMAS H Vice President and Controller	2004-06-09 11:17:13	471,632 0	471,632	Form 4
7	FOSTER GERALDINE U Senior Vice President	2003-12-23 15:36:43	420,199 0	420,199	Form 4
8	RYAN JOHN P Senior Vice President	2003-12-23 13:35:18	395,663 4,534	400,197	Form 4
9	PERLMUTTER ROGER M Exe V-P & Pres, MRL	2020-05-05 16:52:06	366,089 0	366,089	Form 4
10	Kuhlik Bruce N Exe V-P & Gen Counsel	2015-05-05 16:46:15	292,847 0	292,847	Form 4
11	CLARK RICHARD T Chairman	2011-03-01 15:07:33	108,211 149,327	257,538	Form 4
12	Chattopadhyay Sanat Exe V-P & Pres. MMD	2025-05-01 18:12:34	43,256 185,328	228,584	Form 4
13	DeLuca Richard R. EVP&Pres, Merck Animal Heallth	2025-05-01 18:10:15	222,675 1,281	223,956	Form 4
14	KIM PETER S Exe V-P & Pres, MRL	2013-02-27 17:50:45	189,609 1,348	190,957	Form 4
15	Scalet J Chris Exe V-P Global Srvs & CIO	2012-05-04 09:40:14	158,045 3,212	161,257	Form 4
16	Li Dean Y Executive VP & President, MRL	2025-05-01 18:04:29	158,828 0	158,828	Form 4
17	BARSHAY STANLEY F ExVP&PresConsHlthCare	2010-03-05 17:00:20	154,788 1,176	155,964	Form 4
18	KELLOGG PETER N Exe V-P & CFO	2014-02-26 14:26:34	149,554 0	149,554	Form 4
19	GRADDICK WEIR MIRIAN M Exe V-P, HR	2018-05-08 17:32:48	142,646 0	142,646	Form 4
20	Litchfield Caroline EVP & CFO	2025-05-01 18:15:09	139,880 0	139,880	Form 4
21	Deese Willie A Exe V-P & Pres. MMD	2016-02-24 12:37:52	133,759 719.08	134,478	Form 4
22	WENDELL PETER C Director	2024-03-29 16:18:48	125,753 0	125,753	Form 4
23	GLOCER THOMAS H Director	2025-07-02 12:06:38	109,141 0	109,141	Form 4
24	Zachary Jennifer EVP, General Counsel	2025-05-01 18:03:00	104,986 0	104,986	Form 4
25	Guindo Chirfi Chief Marketing Officer	2025-05-01 17:45:16	102,595 55.42	102,651	Form 4
26	Heller Bridgette P Exe.VP & Pres.Con.Hlth.Care	2014-05-13 15:53:58	95,997 0	95,997	Form 4
27	LAZARUS ROCHELLE B Director	2020-04-02 16:35:06	92,190 1,757	93,947	Form 4
28	Rosenblatt Michael Exec V-P & Chief Med Officer	2016-05-12 11:40:09	92,407 0	92,407	Form 4
29	THIER SAMUEL O MD Director	2009-11-05 21:37:15	88,983 0	88,983	Form 4
30	OSBORNE RICHARD DE J Director	2006-05-23 12:53:59	78,335 0	78,335	Form 4
31	Bowles Richard S III Exe VP&Chief Ethics & ComplOff	2012-05-10 15:05:59	73,540 4,005	77,545	Form 4
32	KELLEY WILLAM N Director	2012-04-03 11:58:45	75,791 750	76,541	Form 4
33	KOHAN RAUL E Exe Vice President	2012-01-04 16:24:28	70,990 4,639	75,629	Form 4
34	RUSSO PATRICIA F Director	2025-06-03 13:21:14	71,671 0	71,671	Form 4
35	Holston Michael J EVP, General Counsel	2018-03-01 19:33:12	69,786 0	69,786	Form 4
36	Do Cuong V EVP & Chief Strategy Officer	2013-05-08 19:29:07	64,412 0	64,412	Form 4
37	Schechter Adam H EVP & Pres-Global Human Health	2018-11-02 16:44:44	0 55,406	55,406	Form 4
38	Oosthuizen Johannes Jacobus President, U.S. Market	2025-05-01 18:06:15	53,769 0	53,769	Form 4
39	BRUN LESLIE A Director	2021-06-02 13:42:04	51,667 0	51,667	Form 4
40	Gerberding Julie L. EVP, Chief Patient Officer	2022-02-28 16:17:42	48,712 0	48,712	Form 4
41	Karachun Rita A Sr. VP Fince-Global Controller	2023-05-05 16:54:07	48,269 0	48,269	Form 4
42	TATLOCK ANNE M Director	2012-04-03 11:58:51	47,403 713.98	48,117	Form 4
43	Williams David Michael EVP,Chief Info&Digital Officer	2025-05-01 18:13:51	47,164 0	47,164	Form 4
44	MIZELL STEVEN EVP, Chief HR Officer	2024-02-02 16:07:51	45,707 0	45,707	Form 4
45	REPRESAS CARLOS E Director	2017-05-30 17:33:36	33,755 11,500	45,255	Form 4
46	Cech Thomas R Director	2020-06-02 17:08:21	40,338 0	40,338	Form 4
47	Clyburn Frank EVP & Pres ? Human Health	2021-11-04 16:21:59	39,479 0	39,479	Form 4
48	Thompson Craig B. Director	2018-05-29 17:33:09	35,162 0	35,162	Form 4
49	Craig Pamela J. Director	2025-06-03 12:53:38	33,706 0	33,706	Form 4
50	Rothman Paul Director	2025-06-03 13:18:17	32,091 0	32,091	Form 4
51	Watson Ashley SVP Chief Ethics & Com Officer	2018-11-01 17:07:30	30,237 191.98	30,429	Form 4
52	Scholefield James H EVP,Chief Info&Digital Officer	2019-11-01 17:04:08	30,014 0	30,014	Form 4
53	Romanelli Joseph President, Human Health Int?l	2025-05-02 16:14:57	29,336 0	29,336	Form 4
54	Larson Betty D EVP, Chief HR Officer	2025-05-02 16:12:31	28,897 0	28,897	Form 4
55	Coe Mary Ellen Director	2025-07-02 12:04:07	28,062 0	28,062	Form 4
56	Turner Mervyn Chief Strategy Officer	2011-03-01 15:08:41	26,424 1,545	27,969	Form 4
57	THULIN INGE G Director	2025-06-03 13:25:24	27,697 0	27,697	Form 4
58	BAKER DOUGLAS M JR Director	2025-06-03 12:49:42	25,344 0	25,344	Form 4
59	Garay Arpa SVP Human Health Global Mktg.	2022-05-05 17:24:52	25,287 0	25,287	Form 4
60	Klobuchar Michael A EVP - Chief Strategy Officer	2024-05-06 16:06:55	23,621 1,577	25,198	Form 4
61	GOLDSTONE STEVEN F Director	2012-04-03 11:58:40	23,354 1000	24,354	Form 4
62	Downing Cristal N Chief Comm. & Public Afrs Ofcr	2025-05-01 18:00:28	24,125 0	24,125	Form 4
63	MILLER DONALD L Director	2004-04-29 19:51:06	23,408 400	23,808	Form 4
64	Nally Michael EVP, Chief Marketing Officer	2021-03-02 11:39:06	19,630 1,760	21,390	Form 4
65	KOMANSKY DAVID H Director	2004-04-29 17:23:07	20,999 0	20,999	Form 4
66	Golestani Clark EVP & Chief Info Officer	2016-08-10 16:57:10	14,083 5,860	19,943	Form 4
67	LEDER PHILIP Director	2008-12-01 17:46:15	19,841 0	19,841	Form 4
68	Seidman Christine E Director	2025-07-02 12:08:35	18,596 0	18,596	Form 4
69	AMBROSE ADELE D Sr.V-P & Chief Comuns Officer	2017-09-06 17:56:46	17,876 0	17,876	Form 4/A
70	SHENK THOMAS E Director	2011-05-31 10:46:01	17,485 0	17,485	Form 4
71	Canan John Sr.V-P Finc-Global Controller	2014-02-26 14:51:12	13,610 3,346	16,956	Form 4
72	HARRISON WILLIAM B JR Director	2016-04-13 15:03:46	16,400 0	16,400	Form 4
73	LAVIZZO-MOUREY RISA J Director	2025-06-03 13:05:40	16,367 0	16,367	Form 4
74	Warden Kathy J Director	2025-06-03 13:45:50	16,004 0	16,004	Form 4
75	JACOBSON HARRY R Director	2011-05-31 10:44:45	14,363 0	14,363	Form 4
76	Mayo Stephen Director	2025-06-03 13:14:10	12,640 0	12,640	Form 4
77	KIDDER C ROBERT Director	2017-05-12 16:58:07	9,317 1,022	10,339	Form 4
78	Fleming Michael SVP Chief Ethics & Com Officer	2021-03-02 11:35:47	10,283 0	10,283	Form 4
79	Smart Dalton E. III SVP Fin. - Global Controller	2025-05-05 16:23:49	9,539 0	9,539	Form 4
80	Noseworthy John H Director	2019-04-02 16:58:41	9,325 0	9,325	Form 4
81	LeCointe-Cephas Lisa SVP Chief Ethics & Com Officer	2023-05-05 17:01:15	7,336 0	7,336	Form 4
82	Karsanbhai Surendralal Lanca Director	2025-06-03 12:58:04	3,422 0	3,422	Form 4
83	WEEKS WENDELL P Director	2020-05-07 16:50:02	100 0	100	Form 4
84	BERTOLINI ROBERT J Executive Vice President	2009-11-04 17:51:10	0 0	0	Form 4
85	LEMMA DONALD R Vice President	2003-11-18 10:18:09	0 0	0	Form 4
86	CHEELEY C RON Senior Vice President	2009-11-04 17:51:07	0 0	0	Form 4
87	BECHERER HANS W Director	2009-10-14 16:35:23	0 0	0	Form 4
88	MUNDY CARL E JR Director	2009-10-14 16:35:12	0 0	0	Form 4
89	PICKETT CECIL B Vice President	2006-09-08 14:56:32	0 0	0	Form 4
90	GINGERELLA DOUGLAS F Vice President and Controller	2006-03-21 18:30:19	0 0	0	Form 4
91	NICHOLS DANIEL A Vice President - Taxes	2003-11-18 10:23:37	0 0	0	Form 4
92	MOORE E KEVIN Vice President and Treasurer	2003-11-18 10:20:30	0 0	0	Form 4
93	HASSAN FRED Chairman and CEO	2009-11-04 17:53:03	0 0	0	Form 4
94	Koestler Thomas P Executive Vice President	2009-11-04 17:53:11	0 0	0	Form 4
95	KOEHLER STEVEN H Vice President and Controller	2009-11-04 17:55:06	0 0	0	Form 4
96	COX CARRIE SMITH Executive Vice President	2009-11-04 17:56:00	0 0	0	Form 4
97	Queisser Lori A. Senior Vice President	2009-11-04 17:57:14	0 0	0	Form 4
98	VAN OORDT ROBERT FW Director	2009-11-04 17:57:52	0 0	0	Form 4
99	SABATINO THOMAS J JR Executive Vice President	2009-11-04 17:59:14	0 0	0	Form 4
100	TURNER KATHRYN C Director	2009-11-04 17:59:43	0 0	0	Form 4
101	SAUNDERS BRENT L Senior Vice President	2009-11-04 18:01:08	0 0	0	Form 4
102	STAHL JACK L Director	2009-11-04 18:01:37	0 0	0	Form 4
103	WEINBACH ARTHUR F Director	2009-11-04 18:03:06	0 0	0	Form 4
104	PEREZ ANTONIO M Director	2009-11-04 18:04:03	0 0	0	Form 4
105	Colligan Thomas J Director	2009-11-04 18:04:36	0 0	0	Form 4
106	MCGRATH EUGENE R Director	2009-11-04 18:06:23	0 0	0	Form 4
107	LAROSA JOSEPH J Secretary	2003-11-18 10:13:21	0 0	0	Form 4

Insider Holders & Insider Ownership - Merck & Co. Inc. (MRK)