MRK Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 0.09%

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

Insider Selling (Last 12 Months): $209,562.36

Merck & Co., Inc. Insider Trading History Chart

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

^$83.20

▲ +0.46 (0.56%)

As of 04/28/2025 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
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
11/10/2022	Steven Mizell	EVP	Sell	15,000	$101.42	$1,521,300.00	32,144
11/9/2022	Johannes Jacobus Oosthuizen	Insider	Sell	1,795	$103.21	$185,261.95	16,731
11/9/2022	Robert M. Davis	CEO	Sell	167,613	$102.44	$17,170,275.72	247,593
11/8/2022	Steven Mizell	EVP	Sell	20,000	$101.00	$2,020,000.00	32,144
11/7/2022	Johannes Jacobus Oosthuizen	Insider	Sell	45,561	$99.47	$4,531,952.67	18,526
11/4/2022	Kenneth C. Frazier	Insider	Sell	235,000	$98.61	$23,173,350.00	700,653
10/31/2022	Kenneth C. Frazier	Insider	Sell	300,000	$100.75	$30,225,000.00	706,283
10/28/2022	Richard R. Deluca	EVP	Sell	164,557	$100.26	$16,498,484.82	136,977
10/28/2022	Rita A. Karachun	VP	Sell	31,997	$100.34	$3,210,578.98	41,103
10/28/2022	Sanat Chattopadhyay	Insider	Sell	100,292	$100.10	$10,039,229.20	45,608

See Full Table

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
4/29/2025	IFM Investors Pty Ltd	531,758	$47.73M	0.5%	+8.8%	0.021%
4/29/2025	OneDigital Investment Advisors LLC	55,900	$5.02M	0.1%	-8.1%	0.002%
4/29/2025	44 Wealth Management LLC	5,022	$0.45M	0.2%	-3.1%	0.000%
4/29/2025	Avantax Planning Partners Inc.	92,798	$8.33M	0.3%	+14.0%	0.004%
4/29/2025	Silver Oak Securities Incorporated	11,239	$1M	0.1%	-6.5%	0.000%
4/29/2025	Calamos Wealth Management LLC	18,040	$1.62M	0.1%	-9.9%	0.001%
4/29/2025	Calamos Advisors LLC	668,215	$59.98M	0.3%	-21.6%	0.026%
4/29/2025	MBA Advisors LLC	4,543	$0.41M	0.2%	+4.6%	0.000%
4/29/2025	Aurora Private Wealth Inc.	10,095	$0.91M	0.2%	-2.5%	0.000%
4/29/2025	Davidson Trust Co.	7,852	$0.71M	0.3%	+2.1%	0.000%
4/29/2025	Goelzer Investment Management Inc.	130,151	$11.68M	0.7%	-0.7%	0.005%
4/28/2025	Castle Wealth Management LLC	3,049	$0.28M	0.1%	-12.9%	0.000%
4/28/2025	North Capital Inc.	3,108	$0.28M	0.3%	N/A	0.000%
4/28/2025	Barlow Wealth Partners Inc.	8,607	$0.71M	0.1%	-8.5%	0.000%
4/28/2025	D.A. Davidson & CO.	551,950	$49.54M	0.4%	-2.5%	0.022%
4/28/2025	Rosenberg Matthew Hamilton	3,684	$0.33M	0.1%	+14.6%	0.000%
4/28/2025	Principal Financial Group Inc.	5,629,432	$505.30M	0.3%	-13.4%	0.223%
4/28/2025	Mutual Advisors LLC	85,037	$7.04M	0.2%	-0.4%	0.003%
4/28/2025	Oregon Public Employees Retirement Fund	217,371	$19.51M	0.4%	+0.2%	0.009%
4/28/2025	Red Mountain Financial LLC	5,153	$0.46M	0.6%	-22.6%	0.000%
4/28/2025	Meritage Portfolio Management	2,650	$0.24M	0.0%	-95.1%	0.000%
4/28/2025	Buffington Mohr McNeal	61,540	$5.52M	1.1%	-21.7%	0.002%
4/28/2025	ZWJ Investment Counsel Inc.	35,559	$3.19M	0.1%	-37.0%	0.001%
4/28/2025	Resonant Capital Advisors LLC	10,066	$0.91M	0.1%	+12.4%	0.000%
4/28/2025	Teacher Retirement System of Texas	1,141,381	$102.45M	0.4%	-6.4%	0.045%
4/28/2025	Lodestone Wealth Management LLC	31,656	$2.84M	1.5%	-7.8%	0.001%
4/28/2025	First Horizon Advisors Inc.	168,561	$15.13M	0.4%	+3.1%	0.007%
4/28/2025	Latitude Advisors LLC	4,414	$0.40M	0.2%	+12.4%	0.000%
4/28/2025	Revisor Wealth Management LLC	3,623	$0.33M	0.1%	N/A	0.000%
4/28/2025	Novem Group	35,669	$3.20M	0.4%	-7.0%	0.001%
4/28/2025	Weaver Consulting Group	4,200	$0.38M	0.1%	+25.7%	0.000%
4/28/2025	Private Trust Co. NA	43,678	$3.92M	0.4%	+1.5%	0.002%
4/28/2025	O Brien Wealth Partners LLC	2,350	$0.21M	0.0%	+11.9%	0.000%
4/28/2025	Arlington Trust Co LLC	7,655	$0.69M	0.1%	-3.7%	0.000%
4/28/2025	Alley Investment Management Company LLC	51,258	$4.60M	0.6%	-51.2%	0.002%
4/28/2025	Pinnacle Financial Partners Inc	155,381	$14.57M	0.3%	-31.4%	0.006%
4/28/2025	Fiduciary Group LLC	21,621	$1.94M	0.2%	-0.7%	0.001%
4/28/2025	Instrumental Wealth LLC	3,065	$0.25M	0.2%	-10.0%	0.000%
4/28/2025	Miller Howard Investments Inc. NY	364,668	$32.73M	1.0%	-1.1%	0.014%
4/28/2025	American Capital Advisory LLC	5,981	$0.54M	0.3%	-2.9%	0.000%
4/28/2025	McGinn Penninger Investment Management Inc.	35,115	$3.15M	2.1%	+5.4%	0.001%
4/28/2025	Kanawha Capital Management LLC	15,745	$1.41M	0.1%	-17.5%	0.001%
4/28/2025	Penobscot Wealth Management	3,207	$0.29M	0.1%	+13.4%	0.000%
4/28/2025	Moody Lynn & Lieberson LLC	47,671	$4.28M	0.3%	-35.8%	0.002%
4/28/2025	Aaron Wealth Advisors LLC	14,273	$1.28M	0.1%	+1.2%	0.001%
4/28/2025	First Bank & Trust	5,566	$0.50M	0.1%	-12.4%	0.000%
4/28/2025	FSM Wealth Advisors LLC	4,864	$0.44M	0.1%	-27.5%	0.000%
4/28/2025	Meadow Creek Wealth Advisors LLC	13,228	$1.19M	0.9%	-1.7%	0.001%
4/28/2025	Sippican Capital Advisors	22,268	$2M	1.5%	+4.0%	0.001%
4/28/2025	Klingenstein Fields & Co. LP	283,321	$25.43M	1.1%	+0.9%	0.011%
4/28/2025	Harbour Trust & Investment Management Co	4,925	$0.44M	0.1%	-13.0%	0.000%
4/28/2025	Alterna Wealth Management Inc.	3,186	$0.29M	0.2%	+48.0%	0.000%
4/28/2025	PICTET BANK & TRUST Ltd	14,013	$1.26M	1.5%	+7.6%	0.001%
4/28/2025	Keybank National Association OH	892,173	$80.08M	0.3%	-3.4%	0.035%
4/28/2025	Arbor Trust Wealth Advisors LLC	3,930	$0.36M	0.2%	-15.0%	0.000%
4/28/2025	Pictet North America Advisors SA	6,875	$0.62M	0.1%	-8.7%	0.000%
4/28/2025	Guerra Pan Advisors LLC	11,154	$1M	0.8%	-3.0%	0.000%
4/28/2025	Rossby Financial LCC	2,477	$0.21M	0.1%	-6.2%	0.000%
4/28/2025	Yukon Wealth Management Inc.	2,349	$0.21M	0.1%	N/A	0.000%
4/28/2025	Summit Trail Advisors LLC	60,835	$5.51M	0.2%	+8.6%	0.002%
4/28/2025	Sumitomo Mitsui DS Asset Management Company Ltd	558,588	$50.14M	0.5%	-11.7%	0.022%
4/28/2025	Lansing Street Advisors	3,703	$0.33M	0.1%	-9.8%	0.000%
4/28/2025	Clear Creek Financial Management LLC	6,566	$0.59M	0.1%	+24.8%	0.000%
4/28/2025	Cidel Asset Management Inc.	12,880	$1.16M	0.1%	+13.8%	0.001%
4/28/2025	BLB&B Advisors LLC	44,513	$4M	0.2%	-7.1%	0.002%
4/28/2025	Guardian Investment Management	15,100	$1.36M	1.1%	-1.3%	0.001%
4/28/2025	RKL Wealth Management LLC	13,291	$1.19M	0.1%	+28.3%	0.001%
4/28/2025	Vontobel Holding Ltd.	344,702	$30.94M	0.1%	-2.2%	0.014%
4/28/2025	Rovin Capital UT ADV	3,387	$0.30M	0.1%	+15.7%	0.000%
4/28/2025	Astoria Portfolio Advisors LLC.	5,076	$0.46M	0.2%	+128.5%	0.000%
4/28/2025	ABLE Financial Group LLC	8,016	$0.72M	0.2%	-2.0%	0.000%
4/25/2025	Mather Group LLC.	42,440	$3.81M	0.0%	+65.0%	0.002%
4/25/2025	Alta Advisers Ltd	12,584	$1.13M	0.5%	+50.1%	0.000%
4/25/2025	Unified Investment Management	9,491	$0.85M	1.0%	N/A	0.000%
4/25/2025	Cypress Capital LLC	26,423	$2.37M	0.7%	+4.5%	0.001%
4/25/2025	Benchmark Financial Wealth Advisors LLC	3,549	$0.32M	0.1%	-24.5%	0.000%
4/25/2025	Deseret Mutual Benefit Administrators	15,496	$1.39M	0.7%	+4.7%	0.001%
4/25/2025	Advisors Management Group Inc. ADV	22,417	$2.01M	0.4%	+2.3%	0.001%
4/25/2025	Smith Salley Wealth Management	152,953	$13.73M	0.9%	-9.1%	0.006%
4/25/2025	Saxon Interests Inc.	20,602	$1.85M	0.9%	+9.7%	0.001%
4/25/2025	Barnes Dennig Private Wealth Management LLC	306	$27K	0.0%	N/A	0.000%
4/25/2025	Beaton Management Co. Inc.	20,287	$1.82M	0.9%	+6.3%	0.001%
4/25/2025	Richardson Capital Management LLC	1,216	$0.11M	0.1%	N/A	0.000%
4/25/2025	J.Safra Asset Management Corp	2,695	$0.24M	0.0%	-8.7%	0.000%
4/25/2025	G&S Capital LLC	7,162	$0.64M	0.3%	N/A	0.000%
4/25/2025	Essex LLC	29,328	$2.63M	0.6%	-10.4%	0.001%
4/25/2025	Farmers & Merchants Trust Co of Chambersburg PA	5,170	$0.46M	0.2%	-5.1%	0.000%
4/25/2025	Townsend & Associates Inc	7,315	$0.66M	0.1%	-6.6%	0.000%
4/25/2025	Red Door Wealth Management LLC	83,767	$7.52M	1.1%	+11.6%	0.003%
4/25/2025	Spinnaker Trust	42,655	$3.83M	0.2%	+1.7%	0.002%
4/25/2025	Intelligence Driven Advisers LLC	11,606	$1.04M	0.2%	-11.1%	0.000%
4/25/2025	CMG Global Holdings LLC	3,689	$0.33M	0.2%	-16.0%	0.000%
4/25/2025	First Fiduciary Investment Counsel Inc.	7,318	$0.66M	0.1%	-3.4%	0.000%
4/25/2025	WASHINGTON TRUST Co	28,730	$2.58M	0.1%	-8.6%	0.001%
4/25/2025	Insight Inv LLC	34,780	$3.12M	1.2%	+75.7%	0.001%
4/25/2025	MorganRosel Wealth Management LLC	400	$36K	0.0%	N/A	0.000%
4/25/2025	Argent Advisors Inc.	20,603	$1.85M	0.6%	+24.3%	0.001%
4/25/2025	Red Cedar Investment Management LLC	21,092	$1.89M	0.3%	-32.2%	0.001%
4/25/2025	Canandaigua National Bank & Trust Co.	87,795	$7.88M	0.8%	+10.4%	0.003%
4/25/2025	Valley National Advisers Inc.	19,691	$1.77M	0.3%	+86.1%	0.001%

Data available starting January 2016

See Full Table

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: $83.20

$82.40

$83.68

50 Day Range

MA: $87.00

$76.42

$95.13

52 Week Range

Now: $83.20

$75.93

$134.63

Volume

14,235,803 shs

Average Volume

11,870,150 shs

Market Capitalization

$209.81 billion

P/E Ratio

12.36

Dividend Yield

3.92%

Beta

0.4

Who are the company insiders with the largest holdings of Merck & Co., Inc.?: Merck & Co., Inc.'s top insider shareholders include:
Richard R Deluca (EVP)
Rita A Karachun (VP)
Steven Mizell (EVP)
Joseph Romanelli (Insider)
Johannes Jacobus Oosthuizen (Insider)
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:
Sumitomo Mitsui Trust Group Inc. — 0.29%
Principal Financial Group Inc. — 0.22%
Rhumbline Advisers — 0.18%
GAMMA Investing LLC — 0.17%
Robeco Institutional Asset Management B.V. — 0.10%
KBC Group NV — 0.09%
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:
Handelsbanken Fonder AB
Principal Financial Group Inc.
Retirement Systems of Alabama
Compagnie Lombard Odier SCmA
IMC Chicago LLC
Allspring Global Investments Holdings LLC
MEAG MUNICH ERGO Kapitalanlagegesellschaft mbH
KBC Group NV
Which institutional investors are buying Merck & Co., Inc. stock?: During the last quarter, MRK stock was acquired by institutional investors including:
GAMMA Investing LLC
Sarasin & Partners LLP
Mirae Asset Global Investments Co. Ltd.
AEGON ASSET MANAGEMENT UK Plc
Compass Capital Management Inc.
CX Institutional
Foster Victor Wealth Advisors LLC
Wealth Enhancement Advisory Services LLC