MRK Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 0.13%

Insider Buying (Last 12 Months): $250,012.25

Insider Selling (Last 12 Months): $1,282,329.74

Merck & Co., Inc. Insider Trading History Chart

Merck & Co., Inc. Share Price & Price History

^$100.85

▼ -1.42 (-1.39%)

As of 12/4/2025 04:59 PM ET

Days: 30 | 90 | 365

Merck & Co., Inc. Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
11/3/2025	David Michael Williams	EVP	Sell	8,614	$83.59	$720,044.26	24,578
4/25/2025	Dalton E Smart III	SVP	Sell	4,262	$82.76	$352,723.12	7,778
2/6/2025	Cristal N. Downing	Insider	Sell	2,361	$88.76	$209,562.36	7,085
2/6/2025	Inge G. Thulin	Director	Buy	2,833	$88.25	$250,012.25	2,933
2/13/2024	Joseph Romanelli	Insider	Sell	1,000	$124.89	$124,890.00	19,569
2/2/2024	Steven Mizell	EVP	Sell	50,694	$126.65	$6,420,395.10	23,619
11/9/2023	Johannes Jacobus Oosthuizen	Insider	Sell	2,081	$102.38	$213,052.78	18,191
11/8/2023	Richard R. Deluca	EVP	Sell	43,823	$105.03	$4,602,729.69	111,764
8/14/2023	Steven Mizell	EVP	Sell	4,250	$109.01	$463,292.50	22,935
8/3/2023	Steven Mizell	EVP	Sell	4,500	$105.49	$474,705.00	27,185
5/4/2023	Rita A. Karachun	VP	Sell	15,875	$117.53	$1,865,788.75	45,710
5/3/2023	Steven Mizell	EVP	Sell	53,400	$119.01	$6,355,134.00	31,685
5/1/2023	Richard R. Deluca	EVP	Sell	75,436	$116.03	$8,752,839.08	154,493
4/28/2023	Richard R. Deluca	EVP	Sell	66,163	$115.00	$7,608,745.00	154,493
4/28/2023	Robert M. Davis	CEO	Sell	143,329	$114.93	$16,472,801.97	271,817
4/26/2023	Joseph Romanelli	Insider	Buy	3	$113.68	$341.04	20,599
4/13/2023	Sanat Chattopadhyay	insider	Sell	134,055	$115.07	$15,425,708.85
3/24/2023	Joseph Romanelli	Insider	Sell	35	$104.65	$3,662.75	20,596
3/20/2023	Joseph Romanelli	Insider	Buy	136	$105.47	$14,343.92	20,631
2/21/2023	Joseph Romanelli	Insider	Buy	11	$109.20	$1,201.20	20,495
2/15/2023	Joseph Romanelli	Insider	Sell	5,000	$108.22	$541,100.00	20,284
2/13/2023	Steven Mizell	EVP	Sell	1,815	$109.10	$198,016.50	33,085
2/9/2023	Steven Mizell	EVP	Sell	5,000	$107.00	$535,000.00	34,900
2/6/2023	Steven Mizell	EVP	Sell	4,436	$104.25	$462,453.00	39,900
1/9/2023	Sanat Chattopadhyay	Insider	Sell	83,994	$112.29	$9,431,686.26	29,500

SEC Filings (Institutional Ownership Changes) for Merck & Co., Inc. (NYSE:MRK)

76.07% of Merck & Co., Inc. stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Merck & Co., Inc. Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
12/3/2025	Severin Investments LLC	12,468	$1.05M	0.9%	+140.0%	0.001%
12/2/2025	Allworth Financial LP	123,675	$10.38M	0.0%	+3.2%	0.005%
12/2/2025	IFP Advisors Inc	30,381	$2.55M	0.1%	-2.0%	0.001%
12/2/2025	Swiss Life Asset Management Ltd	1,157,633	$97.16M	0.5%	+3.8%	0.047%
12/2/2025	Steadtrust LLC	5,369	$0.45M	0.3%	-2.7%	0.000%
12/1/2025	Groupama Asset Managment	832,605	$69.88M	0.2%	+6.3%	0.034%
12/1/2025	Syverson Strege & Co	4,052	$0.34M	0.1%	-7.0%	0.000%
12/1/2025	Payne Capital Management LLC	13,787	$1.16M	0.4%	+235.9%	0.001%
12/1/2025	Investment Research Partners LLC	6,114	$0.53M	0.2%	N/A	0.000%
11/26/2025	Strategic Advocates LLC	1,014	$85K	0.0%	N/A	0.000%
11/26/2025	Lantern Wealth Advisors LLC	11,009	$0.92M	0.3%	N/A	0.000%
11/26/2025	Vermillion & White Wealth Management Group LLC	750	$63K	0.0%	+202.4%	0.000%
11/25/2025	Court Place Advisors LLC	25,917	$2.18M	0.7%	-4.9%	0.001%
11/25/2025	Alexander Labrunerie & CO. Inc.	3,498	$0.29M	0.1%	-6.1%	0.000%
11/25/2025	Chelsea Counsel Co.	3,510	$0.30M	0.1%	-8.8%	0.000%
11/24/2025	Cherry Tree Wealth Management LLC	697	$58K	0.0%	-25.6%	0.000%
11/24/2025	Fulcrum Asset Management LLP	23,399	$1.96M	0.5%	-2.7%	0.001%
11/24/2025	CIBC Private Wealth Group LLC	392,779	$32.97M	0.1%	-3.9%	0.016%
11/21/2025	Capital Square LLC	13,138	$1.10M	0.6%	-3.4%	0.001%
11/21/2025	CIBC Bancorp USA Inc.	345,081	$28.96M	0.1%	N/A	0.014%
11/21/2025	Bell Investment Advisors Inc	2,860	$0.24M	0.0%	-3.4%	0.000%
11/21/2025	Maple Capital Management Inc.	8,864	$0.74M	0.0%	-14.3%	0.000%
11/21/2025	Blue Fin Capital Inc.	29,351	$2.46M	0.4%	-2.0%	0.001%
11/21/2025	Achmea Investment Management B.V.	179,749	$15.09M	0.2%	+2.4%	0.007%
11/20/2025	Ariadne Wealth Management LP	6,299	$0.59M	0.3%	+15.3%	0.000%
11/20/2025	Kensington Investment Counsel LLC	35,799	$3.01M	1.2%	-17.7%	0.001%
11/20/2025	Old North State Trust LLC	8,922	$0.75M	0.5%	-6.7%	0.000%
11/20/2025	Centaurus Financial Inc.	24,958	$2.10M	0.1%	+5.8%	0.001%
11/20/2025	PCG Asset Management LLC	5,847	$0.49M	0.4%	-2.7%	0.000%
11/20/2025	Wilmington Savings Fund Society FSB	239,973	$20.14M	0.5%	-14.4%	0.010%
11/20/2025	First Affirmative Financial Network	8,149	$0.68M	0.3%	+1.9%	0.000%
11/20/2025	Asset Dedication LLC	21,692	$1.82M	0.1%	+7.1%	0.001%
11/20/2025	Caerus Investment Advisors LLC	15,622	$1.31M	0.5%	N/A	0.001%
11/19/2025	First Commonwealth Financial Corp PA	2,955	$0.25M	0.0%	+6.8%	0.000%
11/19/2025	Auxier Asset Management LLC	118,564	$9.95M	1.4%	-0.4%	0.005%
11/19/2025	Campbell Capital Management Inc.	22,235	$1.87M	0.7%	N/A	0.001%
11/19/2025	UP Strategic Wealth Investment Advisors LLC	3,244	$0.27M	0.2%	N/A	0.000%
11/19/2025	Faithward Advisors LLC	7,599	$0.64M	0.1%	-3.9%	0.000%
11/19/2025	Sunbelt Securities Inc.	76,635	$6.43M	0.4%	-2.7%	0.003%
11/19/2025	Captrust Financial Advisors	1,238,450	$103.94M	0.2%	+1.2%	0.050%
11/19/2025	Coldstream Capital Management Inc.	123,366	$10.36M	0.1%	+12.7%	0.005%
11/19/2025	Aspire Private Capital LLC	2,977	$0.25M	0.1%	-26.7%	0.000%
11/19/2025	Danica Pension Livsforsikringsaktieselskab	135,471	$11.37M	0.2%	N/A	0.005%
11/19/2025	Danske Bank A S	1,906,030	$159.97M	0.4%	N/A	0.077%
11/19/2025	Second Line Capital LLC	5,749	$0.49M	0.1%	-5.4%	0.000%
11/19/2025	Stance Capital LLC	16,800	$1.41M	0.5%	+5.6%	0.001%
11/19/2025	GM Advisory Group LLC	15,590	$1.31M	0.1%	-22.1%	0.001%
11/18/2025	Silvant Capital Management LLC	26,005	$2.18M	0.1%	-4.3%	0.001%
11/18/2025	Advisory Services Network LLC	118,066	$9.91M	0.1%	-5.2%	0.005%
11/18/2025	Kozak & Associates Inc.	1,924	$0.18M	0.0%	-5.4%	0.000%
11/18/2025	Cim Investment Management Inc.	8,177	$0.69M	0.2%	-50.6%	0.000%
11/18/2025	San Luis Wealth Advisors LLC	10,573	$0.89M	0.2%	+17.7%	0.000%
11/18/2025	Boyar Asset Management Inc.	4,897	$0.41M	0.3%	+3.7%	0.000%
11/18/2025	Raab & Moskowitz Asset Management LLC	53,335	$4.48M	1.0%	-8.1%	0.002%
11/18/2025	Integrated Investment Consultants LLC	18,729	$1.57M	0.2%	-4.1%	0.001%
11/18/2025	Fulcrum Asset Management LLP	9,363	$0.79M	0.5%	+1.7%	0.000%
11/18/2025	Livforsakringsbolaget Skandia Omsesidigt	18,777	$1.59M	0.1%	-4.6%	0.001%
11/18/2025	Corus Family Wealth Advisors	3,868	$0.33M	0.2%	+5.6%	0.000%
11/18/2025	Apexium Financial LP	18,907	$1.59M	0.1%	-3.4%	0.001%
11/17/2025	Hancock Whitney Corp	315,335	$26.47M	0.5%	-3.6%	0.013%
11/17/2025	Greenline Partners LLC	2,825	$0.24M	0.0%	-23.5%	0.000%
11/17/2025	Financial Engines Advisors L.L.C.	9,783	$0.82M	0.0%	+1.3%	0.000%
11/17/2025	Aureus Asset Management LLC	10,274	$0.86M	0.1%	-14.2%	0.000%
11/17/2025	OmniStar Financial Group Inc.	17,440	$1.46M	0.9%	+25.7%	0.001%
11/17/2025	Keystone Financial Group	24,652	$2.12M	0.2%	-9.0%	0.001%
11/17/2025	Jacobs Levy Equity Management Inc.	3,346	$0.28M	0.0%	-93.6%	0.000%
11/17/2025	Morningstar Investment Management LLC	135,266	$11.35M	0.4%	+1,138.2%	0.005%
11/17/2025	Kestra Private Wealth Services LLC	258,997	$21.74M	0.3%	+11.4%	0.010%
11/17/2025	NewEdge Advisors LLC	341,158	$28.63M	0.1%	-6.9%	0.014%
11/17/2025	Reynders McVeigh Capital Management LLC	23,276	$1.95M	0.1%	-5.9%	0.001%
11/17/2025	First Foundation Advisors	14,296	$1.20M	0.0%	+7.1%	0.001%
11/17/2025	Gould Capital LLC	31,926	$2.68M	1.7%	+3.3%	0.001%
11/17/2025	Vivaldi Capital Management LP	5,001	$0.42M	0.1%	-43.3%	0.000%
11/17/2025	CANADA LIFE ASSURANCE Co	3,693,267	$290.09M	0.4%	+1.7%	0.149%
11/17/2025	Caxton Associates LLP	60,945	$5.12M	0.1%	+54.6%	0.002%
11/17/2025	Williams Jones Wealth Management LLC.	53,195	$4.47M	0.1%	-7.0%	0.002%
11/17/2025	Wiser Advisor Group LLC	655	$55K	0.1%	N/A	0.000%
11/17/2025	Woodline Partners LP	908,544	$76.25M	0.4%	+16.7%	0.037%
11/17/2025	CYBER HORNET ETFs LLC	7,048	$0.59M	0.4%	+4.1%	0.000%
11/17/2025	Blue Chip Partners LLC	228,418	$19.17M	1.4%	+5.5%	0.009%
11/17/2025	Triumph Capital Management	3,572	$0.30M	0.1%	-17.4%	0.000%
11/17/2025	Perritt Capital Management Inc	4,202	$0.35M	0.2%	-98.7%	0.000%
11/17/2025	Silicon Valley Capital Partners	422	$35K	0.0%	+160.5%	0.000%
11/17/2025	Dark Forest Capital Management LP	29,010	$2.44M	0.1%	-37.4%	0.001%
11/17/2025	Westshore Wealth LLC	4,121	$0.35M	0.1%	-3.6%	0.000%
11/17/2025	Proficio Capital Partners LLC	6,323	$0.53M	0.0%	-59.2%	0.000%
11/17/2025	IMS Capital Management	9,632	$0.81M	0.4%	-13.3%	0.000%
11/17/2025	Pin Oak Investment Advisors Inc.	3,571	$0.30M	0.2%	-30.9%	0.000%
11/17/2025	Optimist Retirement Group LLC	28,637	$2.40M	1.1%	N/A	0.001%
11/17/2025	Brooks Moore & Associates Inc.	32,199	$2.70M	1.3%	-31.7%	0.001%
11/17/2025	Schneider Downs Wealth Management Advisors LP	2,961	$0.25M	0.0%	+15.6%	0.000%
11/17/2025	XTX Topco Ltd	39,536	$3.32M	0.2%	N/A	0.002%
11/17/2025	Yukon Wealth Management Inc.	2,556	$0.22M	0.1%	N/A	0.000%
11/17/2025	Turning Point Benefit Group Inc.	512	$46K	0.0%	N/A	0.000%
11/17/2025	United Capital Financial Advisors LLC	121,992	$10.24M	0.1%	-2.9%	0.005%
11/17/2025	Utah Retirement Systems	416,282	$34.94M	0.3%	-0.2%	0.017%
11/17/2025	Victory Financial Group LLC	3,540	$0.30M	0.0%	-5.8%	0.000%
11/17/2025	Voleon Capital Management LP	278,010	$23.33M	0.6%	+105.9%	0.011%
11/17/2025	Voloridge Investment Management LLC	938,715	$78.79M	0.3%	-46.2%	0.038%
11/17/2025	Wimmer Associates 1 LLC	12,133	$1.02M	0.5%	-3.5%	0.000%

Data available starting January 2016

Merck & Co., Inc. is a health care company, which engages in the provision of health solutions through its prescription medicines, vaccines, biologic therapies, animal health, and consumer care products. It operates through the following segments: Pharmaceutical, Animal Health, and Other. The Pharmaceutical segment includes human health pharmaceutical and vaccine products. The Animal Health segment discovers, develops, manufactures, and markets animal health products, such as pharmaceutical and vaccine products, for the prevention, treatment and control of disease in livestock, and companion animal species. The Other segment consists of sales for the non-reportable segments of healthcare services. The company was founded in 1891 and is headquartered in Rahway, NJ.

Today's Range

Now: $100.85

$100.54

$102.60

50 Day Range

MA: $90.43

$78.46

$105.71

52 Week Range

Now: $100.85

$73.31

$105.84

Volume

12,757,948 shs

Average Volume

14,661,325 shs

Market Capitalization

$250.31 billion

P/E Ratio

13.32

Dividend Yield

3.17%

Beta

0.29

Who are the company insiders with the largest holdings of Merck & Co., Inc.?: Merck & Co., Inc.'s top insider shareholders include:
David Michael Williams (EVP)
Steven Mizell (EVP)
Joseph Romanelli (Insider)
Dalton E Smart III (SVP)
Cristal N Downing (Insider)
Inge G Thulin (Director)
Learn More about top insider investors at Merck & Co., Inc..
Who are the major institutional investors of Merck & Co., Inc.?: Merck & Co., Inc.'s top institutional shareholders include:
Vanguard Group Inc. — 10.09%
State Street Corp — 4.76%
Wellington Management Group LLP — 3.03%
DLD Asset Management LP — 1.91%
Northern Trust Corp — 1.13%
Fisher Asset Management LLC — 0.97%
Learn More about top institutional investors of Merck & Co., Inc. stock.
Which institutional investors are selling Merck & Co., Inc. stock?: During the previous quarter, MRK stock was sold by these institutional investors:
Franklin Resources Inc.
UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
National Bank of Canada FI
Wellington Management Group LLP
Bahl & Gaynor Inc.
Amundi
Barrow Hanley Mewhinney & Strauss LLC
Thornburg Investment Management Inc.
Within the previous year, company insiders that have sold Merck & Co., Inc. company stock include:
David Michael Williams (EVP)
Steven Mizell (EVP)
Joseph Romanelli (Insider)
Learn More investors selling Merck & Co., Inc. stock.
Which institutional investors are buying Merck & Co., Inc. stock?: Within the previous quarter, MRK stock was purchased by institutional investors including:
DLD Asset Management LP
Assenagon Asset Management S.A.
Invesco Ltd.
Ameriprise Financial Inc.
Van ECK Associates Corp
Danske Bank A S
AQR Capital Management LLC
Mondrian Investment Partners LTD