Merck & Co (MRK) insider trading activity: Get Latest News Today

MRK Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares1.35

Short Percent Of Float1.35

Shares Outstanding2.53B

Shares Float2.53B

Shares Short34.12M

Short Ratio3.46

1.35%

Short % of Float

1.35%

Short % of Shares Outstanding

Market Insider MRK

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.06% Percentage of Shares held by All Insiders

79.39% Percentage of Shares held by All Institutions

79.44% Percentage of Float held by Institutions

4353

Number of Institutions Holding Shares

Institutional Ownership

About 79.39% of MRK shares are held by financial institutions. CREDIT SUISSE AG/ is the top corporate investor, holding 6.29M shares valued at $829.65M. A 0.25% stake in Merck & Co., Inc. is owned by the company. DIMENSIONAL FUND ADVISORS LP owns 5.77M shares valued at $761.46M, which translates its holding of 0.23% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
2024-03-31	CREDIT SUISSE AG/	0.25%	6.29M	829.65M	-227.87K	-3.50%
2024-03-31	DIMENSIONAL FUND ADVISORS LP	0.23%	5.77M	761.46M	-168.67K	-2.84%
2024-03-31	NEUBERGER BERMAN GROUP LLC	0.22%	5.52M	728.9M	-752.85K	-11.99%
2024-03-31		0.22%	5.49M	724.78M	5.49M	+100.00%
2024-03-31	DEKABANK DEUTSCHE GIROZENTRALE	0.21%	5.39M	716.22M	22.49K	+0.42%
2024-03-31	TD ASSET MANAGEMENT INC	0.2%	5.17M	681.56B	-222.51K	-4.13%
2024-03-31	MACQUARIE GROUP LTD	0.2%	4.96M	653.87M	-1.02M	-17.01%
2024-03-31	ENSIGN PEAK ADVISORS, INC	0.19%	4.93M	650.65M	-164.16K	-3.22%
2024-03-31	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.19%	4.89M	644.84M	428.58K	+9.61%
2024-03-31	ABRDN PLC	0.19%	4.88M	643.95M	14.72K	+0.30%
2024-03-31	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.19%	4.73M	623.74M	701.2K	+17.42%
2024-03-31	CITIGROUP INC	0.19%	4.71M	621.49M	613.1K	+14.96%
2024-03-31	RHUMBLINE ADVISERS	0.18%	4.45M	587.07M	-108.07K	-2.37%
2024-03-31	BAHL & GAYNOR INC	0.17%	4.19M	553.04M	-80.67K	-1.89%
2024-03-31	PRUDENTIAL FINANCIAL INC	0.16%	4.1M	540.68M	337.96K	+8.99%
2024-03-31	NATIONAL PENSION SERVICE	0.16%	4.08M	538.68M	50.44K	+1.25%
2024-03-31	VANGUARD GROUP INC	9.6%	243.27M	32.1B	-1.51M	-0.62%
2024-03-31	WELLS FARGO & COMPANY/MN	0.65%	16.38M	2.16B	114.18K	+0.70%
2024-03-31	INVESCO LTD.	0.63%	16.06M	2.12B	-699.07K	-4.17%
2024-03-31	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.82B	0	0
2024-03-31	ROYAL BANK OF CANADA	0.54%	13.6M	1.8B	-1.37M	-9.14%
2024-03-31	FRANKLIN RESOURCES INC	0.7%	17.69M	2.33B	7.58M	+74.93%
2024-03-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.7%	17.65M	2.29B	-19.03M	-51.88%
2024-03-31	NUVEEN ASSET MANAGEMENT, LLC	0.65%	16.54M	2.18B	-158.15K	-0.95%
2024-03-31	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.58%	14.7M	1.94B	2.65M	+22.00%
2024-03-31	CAPITAL WORLD INVESTORS	0.55%	13.95M	1.84B	5.63M	+67.59%
2024-03-31	FISHER ASSET MANAGEMENT, LLC	0.55%	13.87M	1.83B	319.2K	+2.36%
2024-03-31	UBS GROUP AG	0.53%	13.54M	1.79B	878.54K	+6.94%
2024-03-31	AMUNDI	0.5%	12.67M	1.59B	287.83K	+2.33%
2024-03-31	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.55M	1.66B	-122.6K	-0.97%
2024-03-31	GOLDMAN SACHS GROUP INC	0.46%	11.66M	1.54B	-450.04K	-3.72%
2024-03-31	ALLIANCEBERNSTEIN L.P.	0.44%	11.19M	1.48B	2.19M	+24.33%
2024-03-31	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.43%	11.01M	1.45B	-1.98M	-15.24%
2024-03-31	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.43%	10.89M	1.44B	-541.81K	-4.74%
2024-03-31	JANUS HENDERSON GROUP PLC	0.41%	10.46M	1.38B	-1.6M	-13.24%
2024-03-31	MILLENNIUM MANAGEMENT LLC	0.4%	10.07M	1.33B	4.02M	+66.49%
2024-03-31	RAYMOND JAMES & ASSOCIATES	0.39%	9.8M	1.29B	209.62K	+2.19%
2024-03-31	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.36%	9.19M	1.21B	-292.47K	-3.08%
2024-03-31	SCHRODER INVESTMENT MANAGEMENT GROUP	0.35%	8.84M	1.17B	1.29M	+17.10%
2024-03-31	BARCLAYS PLC	0.34%	8.67M	1.14B	3.2M	+58.38%
2024-03-31	PNC FINANCIAL SERVICES GROUP, INC.	0.33%	8.45M	1.12B	-342.21K	-3.89%
2024-03-31	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.36M	1.1B	56.64K	+0.68%
2024-03-31	ENVESTNET ASSET MANAGEMENT INC	0.3%	7.63M	1.01B	469.44K	+6.56%
2024-03-31	SWISS NATIONAL BANK	0.3%	7.59M	1B	-345.9K	-4.36%
2024-03-31	CITADEL ADVISORS LLC	0.3%	7.58M	999.55M	1.26M	+19.90%
2024-03-31	HSBC HOLDINGS PLC	0.29%	7.43M	979.7M	749.93K	+11.23%
2024-03-31	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.28%	7.07M	932.92M	296.09K	+4.37%
2024-03-31	STIFEL FINANCIAL CORP	0.28%	7.04M	928.68M	240.64K	+3.54%
2024-03-31	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.03M	927.38M	-107.85K	-1.51%
2024-03-31	LSV ASSET MANAGEMENT	0.28%	6.99M	922.04M	-481.29K	-6.44%
2024-03-31	BANK OF MONTREAL /CAN/	0.26%	6.58M	866.92M	-981.3K	-12.98%
2024-03-31	BLACKROCK INC.	8.17%	207.02M	27.32B	5.18M	+2.57%
2024-03-31	STATE STREET CORP	4.64%	117.43M	15.58B	559.55K	+0.48%
2024-03-31	WELLINGTON MANAGEMENT GROUP LLP	3.41%	86.35M	11.39B	752.26K	+0.88%
2024-03-31	MORGAN STANLEY	1.64%	41.51M	5.48B	1.38M	+3.43%
2024-03-31	BANK OF AMERICA CORP /DE/	1.42%	36.01M	4.75B	-1.98M	-5.22%
2024-03-31	PRICE T ROWE ASSOCIATES INC /MD/	1.17%	29.64M	3.91B	-447.7K	-1.49%
2024-03-31	DEUTSCHE BANK AG\	0.84%	21.24M	2.8B	-330.69K	-1.53%
2024-03-31	AMERIPRISE FINANCIAL INC	0.67%	16.97M	2.24B	557.93K	+3.40%
2024-03-31	GEODE CAPITAL MANAGEMENT, LLC	2.23%	56.41M	7.43B	982.98K	+1.77%
2024-03-31	FMR LLC	2.06%	52.17M	6.88B	9.37M	+21.89%
2024-03-31	NORTHERN TRUST CORP	1.07%	27.1M	3.58B	-1.39M	-4.89%
2024-03-31	JPMORGAN CHASE & CO	1.05%	26.66M	3.52B	1.25M	+4.92%
2024-03-31	LEGAL & GENERAL GROUP PLC	0.92%	23.38M	3.08B	-115.53K	-0.49%
2024-03-31	BANK OF NEW YORK MELLON CORP	0.78%	19.64M	2.59B	-1.19M	-5.70%
2024-03-31	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.24%	6.18M	815.78M	-357.19K	-5.46%
2024-03-31	PRINCIPAL FINANCIAL GROUP INC	0.24%	6.03M	795.96M	120.57K	+2.04%
2024-03-31	CAPITAL INTERNATIONAL INVESTORS	0.24%	6.02M	794.85M	5.87M	+3,714.86%
2023-12-31	BANK OF AMERICA CORP /DE/	1.5%	37.99M	4.14B	2.24M	+6.28%
2023-12-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.45%	36.68M	3.97B	4.73M	+14.81%
2023-12-31	PRICE T ROWE ASSOCIATES INC /MD/	1.19%	30.09M	3.28B	809.05K	+2.76%
2023-12-31	NORGES BANK	1.12%	28.51M	3.11B	28.51M	+100.00%
2023-12-31	NORTHERN TRUST CORP	1.12%	28.49M	3.11B	-1.37M	-4.58%
2023-12-31	JPMORGAN CHASE & CO	1%	25.41M	2.77B	2.46M	+10.70%
2023-12-31	LEGAL & GENERAL GROUP PLC	0.93%	23.49M	2.56B	3.35M	+16.64%
2023-12-31	DEUTSCHE BANK AG\	0.85%	21.57M	2.35B	2.25M	+11.64%
2023-12-31	BANK OF NEW YORK MELLON CORP	0.82%	20.83M	2.27B	-4.16M	-16.65%
2023-12-31	INVESCO LTD.	0.66%	16.76M	1.83B	-915.21K	-5.18%
2023-12-31	NUVEEN ASSET MANAGEMENT, LLC	0.66%	16.7M	1.82B	47.79K	+0.29%
2023-12-31	AMERIPRISE FINANCIAL INC	0.65%	16.41M	1.79B	-188.33K	-1.13%
2023-12-31	WELLS FARGO & COMPANY/MN	0.64%	16.26M	1.77B	-151.74K	-0.92%
2023-12-31	ROYAL BANK OF CANADA	0.59%	14.97M	1.63B	1.7M	+12.78%
2023-12-31	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.5B	-436.23K	-3.07%
2023-12-31	FISHER ASSET MANAGEMENT, LLC	0.53%	13.55M	1.48B	212.85K	+1.60%
2023-12-31	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.51%	12.99M	1.42B	984.46K	+8.20%
2023-12-31	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.67M	1.38B	17.9K	+0.14%
2023-12-31	UBS GROUP AG	0.5%	12.66M	1.38B	443.31K	+3.63%
2023-12-31	AMUNDI	0.49%	12.38M	1.46B	-2.17M	-14.92%
2023-12-31	GOLDMAN SACHS GROUP INC	0.48%	12.11M	1.32B	-914.71K	-7.02%
2023-12-31	JANUS HENDERSON GROUP PLC	0.48%	12.06M	1.31B	-273.18K	-2.22%
2023-12-31	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.47%	12.05M	1.31B	253.98K	+2.15%
2023-12-31	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.45%	11.43M	1.25B	-674.66K	-5.57%
2023-12-31	FRANKLIN RESOURCES INC	0.4%	10.11M	1.1B	617.02K	+6.50%
2023-12-31	RAYMOND JAMES & ASSOCIATES	0.38%	9.59M	1.05B	178.13K	+1.89%
2023-12-31	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.37%	9.49M	1.03B	-436.26K	-4.40%
2023-12-31	ALLIANCEBERNSTEIN L.P.	0.35%	9M	980.89M	-392.12K	-4.18%
2023-12-31	PNC FINANCIAL SERVICES GROUP, INC.	0.35%	8.79M	958.67M	-102.25K	-1.15%
2023-12-31	PUTNAM INVESTMENTS LLC	0.33%	8.46M	921.91M	328.35K	+4.04%
2023-12-31	CAPITAL WORLD INVESTORS	0.33%	8.33M	907.71M	-3.3M	-28.40%
2023-12-31	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.31M	905.04M	-131.04K	-1.55%
2023-12-31	SWISS NATIONAL BANK	0.31%	7.93M	865.04M	-227K	-2.78%
2023-12-31	BANK OF MONTREAL /CAN/	0.3%	7.56M	824.76M	2.04M	+36.87%
2023-12-31	SCHRODER INVESTMENT MANAGEMENT GROUP	0.3%	7.54M	822.54M	404.65K	+5.67%
2023-12-31	LSV ASSET MANAGEMENT	0.29%	7.47M	814.28M	-345.13K	-4.42%
2023-12-31	ENVESTNET ASSET MANAGEMENT INC	0.28%	7.16M	780.43M	-71.1K	-0.98%
2023-12-31	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.13M	777.79M	-146.41K	-2.01%
2023-12-31	STIFEL FINANCIAL CORP	0.27%	6.8M	741.06M	-37.18K	-0.54%
2023-12-31	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.27%	6.77M	738.52M	-118.17K	-1.71%
2023-12-31	HSBC HOLDINGS PLC	0.26%	6.68M	727.71M	402.73K	+6.42%
2023-12-31	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.26%	6.54M	712.95M	-1.4K	-0.02%
2023-12-31	CREDIT SUISSE AG/	0.26%	6.52M	710.32M	-805.94K	-11.01%
2023-12-31	VANGUARD GROUP INC	9.65%	244.78M	26.69B	1.24M	+0.51%
2023-12-31	BLACKROCK INC.	7.95%	201.84M	22B	-1.1M	-0.54%
2023-12-31	STATE STREET CORP	4.61%	116.87M	12.83B	1.2M	+1.03%
2023-12-31	WELLINGTON MANAGEMENT GROUP LLP	3.37%	85.6M	9.33B	85.6M	+100.00%
2023-12-31	GEODE CAPITAL MANAGEMENT, LLC	2.18%	55.43M	6.03B	1.35M	+2.50%
2023-12-31	FMR LLC	1.69%	42.8M	4.67B	4.65M	+12.20%
2023-12-31	MORGAN STANLEY	1.58%	40.13M	4.37B	1.54M	+3.98%

MRK Insiders

Among the MRK insiders holding of 0.06% of the stake in company, FRAZIER KENNETH C, Executive Chair, holds the largest shares of 700.65K. DAVIS ROBERT M, Chairman, CEO & President, is the second largest MRK insider with ownership of 348.33K shares. DELUCA RICHARD R., EVP&Pres, Merck Animal Heallth, stands third with possession of 111.76K shares of that stake.

Insiders	Designation	Shares Held
FRAZIER KENNETH C	Executive Chair	700.65K
DAVIS ROBERT M	Chairman, CEO & President	348.33K
DELUCA RICHARD R.	EVP&Pres, Merck Animal Heallth	111.76K
CLYBURN FRANK	EVP & Pres ? Human Health	97.1K
LITCHFIELD CAROLINE	EVP & CFO	50.91K
LI DEAN Y	Executive VP & President, MRL	46.24K
KARACHUN RITA A	Sr. VP Fince-Global Controller	45.71K
GERBERDING JULIE L.	EVP, Chief Patient Officer	39.16K
OOSTHUIZEN JOHANNES JACOBUS	President, U.S. Market	30.71K
ZACHARY JENNIFER	EVP, General Counsel	29.06K
WILLIAMS DAVID MICHAEL	EVP,Chief Info&Digital Officer	24.12K
MIZELL STEVEN	EVP, Chief HR Officer	23.62K
ROMANELLI JOSEPH	President, Human Health Int?l	19.57K
BAKER DOUGLAS M JR	director	16K
DOWNING CRISTAL N	Chief Comm. & Public Afrs Ofcr	7.09K
THULIN INGE G	director	2.93K
BRUN LESLIE A	director	1.95K
WEEKS WENDELL P	director	100
CHATTOPADHYAY SANAT	Exe V-P & Pres. MMD	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
2025-02-19	OOSTHUIZEN JOHANNES JACOBUS	SALE	84.09	8.5K	714.74K	30.71K
2025-02-13	WILLIAMS DAVID MICHAEL	SALE	85.34	6K	512.06K	24.12K
2025-02-06	DOWNING CRISTAL N	SALE	88.76	2.36K	209.55K	7.09K
2025-02-06	THULIN INGE G	PURCHASE	88.25	2.83K	250K	2.93K
2025-02-05	BAKER DOUGLAS M JR	PURCHASE	88.50	15K	1.33M	16K
2024-02-14	DAVIS ROBERT M	SALE	125.40	85.02K	10.66M	348.33K
2024-02-14	LITCHFIELD CAROLINE	SALE	125.50	38.29K	4.81M	50.91K
2024-02-13	DAVIS ROBERT M	SALE	126.37	25.32K	3.2M	348.33K
2024-02-13	ROMANELLI JOSEPH	SALE	124.89	1K	124.89K	19.57K
2024-02-09	LI DEAN Y	SALE	125.50	14.7K	1.85M	46.24K
2024-02-07	WILLIAMS DAVID MICHAEL	SALE	127.57	1.45K	185.11K	19.81K
2024-02-02	OOSTHUIZEN JOHANNES JACOBUS	SALE	127.17	18.96K	2.41M	23.33K
2024-02-02	ZACHARY JENNIFER	SALE	126.97	49.5K	6.28M	29.06K
2024-02-02	MIZELL STEVEN	SALE	126.65	50.69K	6.42M	23.62K
2023-11-09	OOSTHUIZEN JOHANNES JACOBUS	SALE	102.38	2.08K	213.06K	18.19K
2023-11-08	DELUCA RICHARD R.	SALE	105.03	43.82K	4.6M	111.76K
2023-08-14	MIZELL STEVEN	SALE	109.01	4.25K	463.29K	22.94K
2023-08-03	MIZELL STEVEN	SALE	105.49	4.5K	474.7K	27.19K
2023-08-02	ROMANELLI JOSEPH	SALE	107.37	59	6.33K	0
2023-05-04	ZACHARY JENNIFER	SALE	117.59	19.14K	2.25M	35.13K
2023-05-04	KARACHUN RITA A	SALE	117.53	15.88K	1.87M	45.71K
2023-05-03	MIZELL STEVEN	SALE	119.01	13.4K	1.59M	31.69K
2023-05-02	WILLIAMS DAVID MICHAEL	SALE	116.82	7.51K	877.22K	11.06K
2023-05-01	DELUCA RICHARD R.	SALE	116.03	75.44K	8.75M	154.49K
2023-04-28	DELUCA RICHARD R.	SALE	115.00	66.16K	7.61M	154.49K
2023-04-28	DAVIS ROBERT M	SALE	114.93	143.33K	16.47M	271.82K
2023-04-26	ROMANELLI JOSEPH	PURCHASE	113.68	3	341.04	20.6K
2023-04-13	CHATTOPADHYAY SANAT	SALE	115.07	67.89K	7.81M	0
2023-03-24	ROMANELLI JOSEPH	SALE	104.65	35	3.66K	20.6K
2023-03-20	ROMANELLI JOSEPH	PURCHASE	105.47	136	14.34K	20.63K
2023-02-21	ROMANELLI JOSEPH	PURCHASE	109.20	11	1.2K	20.5K
2023-02-15	ROMANELLI JOSEPH	SALE	108.22	5K	541.1K	20.28K
2023-02-13	MIZELL STEVEN	SALE	109.10	1.82K	198.02K	33.09K
2023-02-09	MIZELL STEVEN	SALE	107.00	5K	535.01K	34.9K
2023-02-06	MIZELL STEVEN	SALE	104.25	4.44K	462.47K	39.9K
2023-02-03	ZACHARY JENNIFER	SALE	103.17	75.44K	7.78M	53.92K
2023-01-09	CHATTOPADHYAY SANAT	SALE	114.46	1.7K	194.81K	29.5K
2022-12-19	ROMANELLI JOSEPH	PURCHASE	109.04	7	763.28	20.48K
2022-12-13	ROMANELLI JOSEPH	PURCHASE	110.96	56	6.21K	20.48K
2022-12-06	ROMANELLI JOSEPH	PURCHASE	109.39	30	3.28K	20.42K
2022-12-05	ROMANELLI JOSEPH	PURCHASE	109.54	107	11.72K	20.39K
2022-12-02	ROMANELLI JOSEPH	PURCHASE	109.67	59	6.47K	59
2022-11-10	MIZELL STEVEN	SALE	101.42	15K	1.52M	32.14K
2022-11-09	DAVIS ROBERT M	SALE	103.59	100	10.36K	247.59K
2022-11-09	OOSTHUIZEN JOHANNES JACOBUS	SALE	103.21	1.8K	185.26K	16.73K
2022-11-08	MIZELL STEVEN	SALE	101.00	20K	2.02M	32.14K
2022-11-07	FRAZIER KENNETH C	SALE	100.07	84.72K	8.48M	700.65K
2022-11-07	OOSTHUIZEN JOHANNES JACOBUS	SALE	99.47	45.56K	4.53M	18.53K
2022-11-04	FRAZIER KENNETH C	SALE	99.08	34.81K	3.45M	700.65K
2022-11-03	FRAZIER KENNETH C	SALE	99.09	20.38K	2.02M	700.65K
2022-11-02	FRAZIER KENNETH C	SALE	100.40	94.34K	9.47M	700.65K
2022-11-01	FRAZIER KENNETH C	SALE	101.05	700	70.73K	706.28K
2022-10-31	FRAZIER KENNETH C	SALE	101.03	229.3K	23.17M	706.28K
2022-10-28	ZACHARY JENNIFER	SALE	99.85	65.49K	6.54M	38.04K
2022-10-28	DELUCA RICHARD R.	SALE	100.26	164.56K	16.5M	136.98K
2022-10-28	MIZELL STEVEN	SALE	98.84	8K	790.72K	32.14K
2022-10-28	KARACHUN RITA A	SALE	100.34	32K	3.21M	41.1K
2022-10-28	FRAZIER KENNETH C	SALE	100.80	178.36K	17.98M	706.28K
2022-10-28	CHATTOPADHYAY SANAT	SALE	100.10	100.29K	10.04M	45.61K
2022-10-28	OOSTHUIZEN JOHANNES JACOBUS	SALE	100.21	3.63K	364.06K	10.88K
2021-11-09	FRAZIER KENNETH C	SALE	83.23	29.62K	2.46M	586.8K
2021-11-04	LITCHFIELD CAROLINE	SALE	91.00	18.34K	1.67M	24.11K
2021-11-04	DELUCA RICHARD R.	SALE	90.40	29.78K	2.69M	116.93K
2021-11-03	KARACHUN RITA A	SALE	88.45	25K	2.21M	35.8K
2021-11-01	CLYBURN FRANK	SALE	87.87	39.76K	3.49M	97.1K
2021-11-01	GERBERDING JULIE L.	SALE	87.91	96.27K	8.46M	39.16K
2021-10-29	CHATTOPADHYAY SANAT	SALE	87.32	24.62K	2.15M	93.15K
2021-10-29	DELUCA RICHARD R.	SALE	87.56	135.41K	11.86M	116.93K
2021-05-10	CLYBURN FRANK	SALE	78.32	19.32K	1.51M	94.35K
2020-11-09	FRAZIER KENNETH C	SALE	81.74	144.87K	11.84M	411.55K
2020-10-05	DAVIS ROBERT M	SALE	81.03	251.27K	20.36M	171.06K
2020-08-13	CHATTOPADHYAY SANAT	SALE	83.01	10.38K	861.68K	67.37K
2020-08-05	CLYBURN FRANK	SALE	81.55	18.88K	1.54M	80.76K
2020-07-17	GERBERDING JULIE L.	SALE	80.01	18.17K	1.45M	26.58K
2020-05-07	BRUN LESLIE A	SALE	75.46	5K	377.3K	1.95K
2020-05-07	WEEKS WENDELL P	SALE	76.02	5K	380.1K	100
2020-01-13	GERBERDING JULIE L.	SALE	89.34	102.07K	9.12M	37.04K
2019-08-08	DELUCA RICHARD R.	SALE	85.01	31.7K	2.69M	71.52K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE17.83K2

SALES16.86K3

NET SHARES9721

NO. OF SHARES HELD80.85K5

% NET SHARES-98.8%-80%

Frequently Asked Questions

MRK Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares1.35

Short Percent Of Float1.35

Shares Outstanding2.53B

Shares Float2.53B

Shares Short34.12M

Short Ratio3.46

1.35%

Short % of Float

1.35%

Short % of Shares Outstanding

Market Insider MRK

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.06% Percentage of Shares held by All Insiders

79.39% Percentage of Shares held by All Institutions

79.44% Percentage of Float held by Institutions

4353

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
2024-03-31	CREDIT SUISSE AG/	0.25%	6.29M	829.65M	-227.87K	-3.50%
2024-03-31	DIMENSIONAL FUND ADVISORS LP	0.23%	5.77M	761.46M	-168.67K	-2.84%
2024-03-31	NEUBERGER BERMAN GROUP LLC	0.22%	5.52M	728.9M	-752.85K	-11.99%
2024-03-31		0.22%	5.49M	724.78M	5.49M	+100.00%
2024-03-31	DEKABANK DEUTSCHE GIROZENTRALE	0.21%	5.39M	716.22M	22.49K	+0.42%
2024-03-31	TD ASSET MANAGEMENT INC	0.2%	5.17M	681.56B	-222.51K	-4.13%
2024-03-31	MACQUARIE GROUP LTD	0.2%	4.96M	653.87M	-1.02M	-17.01%
2024-03-31	ENSIGN PEAK ADVISORS, INC	0.19%	4.93M	650.65M	-164.16K	-3.22%
2024-03-31	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.19%	4.89M	644.84M	428.58K	+9.61%
2024-03-31	ABRDN PLC	0.19%	4.88M	643.95M	14.72K	+0.30%
2024-03-31	GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC	0.19%	4.73M	623.74M	701.2K	+17.42%
2024-03-31	CITIGROUP INC	0.19%	4.71M	621.49M	613.1K	+14.96%
2024-03-31	RHUMBLINE ADVISERS	0.18%	4.45M	587.07M	-108.07K	-2.37%
2024-03-31	BAHL & GAYNOR INC	0.17%	4.19M	553.04M	-80.67K	-1.89%
2024-03-31	PRUDENTIAL FINANCIAL INC	0.16%	4.1M	540.68M	337.96K	+8.99%
2024-03-31	NATIONAL PENSION SERVICE	0.16%	4.08M	538.68M	50.44K	+1.25%
2024-03-31	VANGUARD GROUP INC	9.6%	243.27M	32.1B	-1.51M	-0.62%
2024-03-31	WELLS FARGO & COMPANY/MN	0.65%	16.38M	2.16B	114.18K	+0.70%
2024-03-31	INVESCO LTD.	0.63%	16.06M	2.12B	-699.07K	-4.17%
2024-03-31	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.82B	0	0
2024-03-31	ROYAL BANK OF CANADA	0.54%	13.6M	1.8B	-1.37M	-9.14%
2024-03-31	FRANKLIN RESOURCES INC	0.7%	17.69M	2.33B	7.58M	+74.93%
2024-03-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.7%	17.65M	2.29B	-19.03M	-51.88%
2024-03-31	NUVEEN ASSET MANAGEMENT, LLC	0.65%	16.54M	2.18B	-158.15K	-0.95%
2024-03-31	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.58%	14.7M	1.94B	2.65M	+22.00%
2024-03-31	CAPITAL WORLD INVESTORS	0.55%	13.95M	1.84B	5.63M	+67.59%
2024-03-31	FISHER ASSET MANAGEMENT, LLC	0.55%	13.87M	1.83B	319.2K	+2.36%
2024-03-31	UBS GROUP AG	0.53%	13.54M	1.79B	878.54K	+6.94%
2024-03-31	AMUNDI	0.5%	12.67M	1.59B	287.83K	+2.33%
2024-03-31	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.55M	1.66B	-122.6K	-0.97%
2024-03-31	GOLDMAN SACHS GROUP INC	0.46%	11.66M	1.54B	-450.04K	-3.72%
2024-03-31	ALLIANCEBERNSTEIN L.P.	0.44%	11.19M	1.48B	2.19M	+24.33%
2024-03-31	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.43%	11.01M	1.45B	-1.98M	-15.24%
2024-03-31	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.43%	10.89M	1.44B	-541.81K	-4.74%
2024-03-31	JANUS HENDERSON GROUP PLC	0.41%	10.46M	1.38B	-1.6M	-13.24%
2024-03-31	MILLENNIUM MANAGEMENT LLC	0.4%	10.07M	1.33B	4.02M	+66.49%
2024-03-31	RAYMOND JAMES & ASSOCIATES	0.39%	9.8M	1.29B	209.62K	+2.19%
2024-03-31	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.36%	9.19M	1.21B	-292.47K	-3.08%
2024-03-31	SCHRODER INVESTMENT MANAGEMENT GROUP	0.35%	8.84M	1.17B	1.29M	+17.10%
2024-03-31	BARCLAYS PLC	0.34%	8.67M	1.14B	3.2M	+58.38%
2024-03-31	PNC FINANCIAL SERVICES GROUP, INC.	0.33%	8.45M	1.12B	-342.21K	-3.89%
2024-03-31	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.36M	1.1B	56.64K	+0.68%
2024-03-31	ENVESTNET ASSET MANAGEMENT INC	0.3%	7.63M	1.01B	469.44K	+6.56%
2024-03-31	SWISS NATIONAL BANK	0.3%	7.59M	1B	-345.9K	-4.36%
2024-03-31	CITADEL ADVISORS LLC	0.3%	7.58M	999.55M	1.26M	+19.90%
2024-03-31	HSBC HOLDINGS PLC	0.29%	7.43M	979.7M	749.93K	+11.23%
2024-03-31	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.28%	7.07M	932.92M	296.09K	+4.37%
2024-03-31	STIFEL FINANCIAL CORP	0.28%	7.04M	928.68M	240.64K	+3.54%
2024-03-31	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.03M	927.38M	-107.85K	-1.51%
2024-03-31	LSV ASSET MANAGEMENT	0.28%	6.99M	922.04M	-481.29K	-6.44%
2024-03-31	BANK OF MONTREAL /CAN/	0.26%	6.58M	866.92M	-981.3K	-12.98%
2024-03-31	BLACKROCK INC.	8.17%	207.02M	27.32B	5.18M	+2.57%
2024-03-31	STATE STREET CORP	4.64%	117.43M	15.58B	559.55K	+0.48%
2024-03-31	WELLINGTON MANAGEMENT GROUP LLP	3.41%	86.35M	11.39B	752.26K	+0.88%
2024-03-31	MORGAN STANLEY	1.64%	41.51M	5.48B	1.38M	+3.43%
2024-03-31	BANK OF AMERICA CORP /DE/	1.42%	36.01M	4.75B	-1.98M	-5.22%
2024-03-31	PRICE T ROWE ASSOCIATES INC /MD/	1.17%	29.64M	3.91B	-447.7K	-1.49%
2024-03-31	DEUTSCHE BANK AG\	0.84%	21.24M	2.8B	-330.69K	-1.53%
2024-03-31	AMERIPRISE FINANCIAL INC	0.67%	16.97M	2.24B	557.93K	+3.40%
2024-03-31	GEODE CAPITAL MANAGEMENT, LLC	2.23%	56.41M	7.43B	982.98K	+1.77%
2024-03-31	FMR LLC	2.06%	52.17M	6.88B	9.37M	+21.89%
2024-03-31	NORTHERN TRUST CORP	1.07%	27.1M	3.58B	-1.39M	-4.89%
2024-03-31	JPMORGAN CHASE & CO	1.05%	26.66M	3.52B	1.25M	+4.92%
2024-03-31	LEGAL & GENERAL GROUP PLC	0.92%	23.38M	3.08B	-115.53K	-0.49%
2024-03-31	BANK OF NEW YORK MELLON CORP	0.78%	19.64M	2.59B	-1.19M	-5.70%
2024-03-31	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.24%	6.18M	815.78M	-357.19K	-5.46%
2024-03-31	PRINCIPAL FINANCIAL GROUP INC	0.24%	6.03M	795.96M	120.57K	+2.04%
2024-03-31	CAPITAL INTERNATIONAL INVESTORS	0.24%	6.02M	794.85M	5.87M	+3,714.86%
2023-12-31	BANK OF AMERICA CORP /DE/	1.5%	37.99M	4.14B	2.24M	+6.28%
2023-12-31	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.45%	36.68M	3.97B	4.73M	+14.81%
2023-12-31	PRICE T ROWE ASSOCIATES INC /MD/	1.19%	30.09M	3.28B	809.05K	+2.76%
2023-12-31	NORGES BANK	1.12%	28.51M	3.11B	28.51M	+100.00%
2023-12-31	NORTHERN TRUST CORP	1.12%	28.49M	3.11B	-1.37M	-4.58%
2023-12-31	JPMORGAN CHASE & CO	1%	25.41M	2.77B	2.46M	+10.70%
2023-12-31	LEGAL & GENERAL GROUP PLC	0.93%	23.49M	2.56B	3.35M	+16.64%
2023-12-31	DEUTSCHE BANK AG\	0.85%	21.57M	2.35B	2.25M	+11.64%
2023-12-31	BANK OF NEW YORK MELLON CORP	0.82%	20.83M	2.27B	-4.16M	-16.65%
2023-12-31	INVESCO LTD.	0.66%	16.76M	1.83B	-915.21K	-5.18%
2023-12-31	NUVEEN ASSET MANAGEMENT, LLC	0.66%	16.7M	1.82B	47.79K	+0.29%
2023-12-31	AMERIPRISE FINANCIAL INC	0.65%	16.41M	1.79B	-188.33K	-1.13%
2023-12-31	WELLS FARGO & COMPANY/MN	0.64%	16.26M	1.77B	-151.74K	-0.92%
2023-12-31	ROYAL BANK OF CANADA	0.59%	14.97M	1.63B	1.7M	+12.78%
2023-12-31	STATE FARM MUTUAL AUTOMOBILE INSURANCE CO	0.54%	13.79M	1.5B	-436.23K	-3.07%
2023-12-31	FISHER ASSET MANAGEMENT, LLC	0.53%	13.55M	1.48B	212.85K	+1.60%
2023-12-31	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	0.51%	12.99M	1.42B	984.46K	+8.20%
2023-12-31	UBS ASSET MANAGEMENT AMERICAS INC	0.5%	12.67M	1.38B	17.9K	+0.14%
2023-12-31	UBS GROUP AG	0.5%	12.66M	1.38B	443.31K	+3.63%
2023-12-31	AMUNDI	0.49%	12.38M	1.46B	-2.17M	-14.92%
2023-12-31	GOLDMAN SACHS GROUP INC	0.48%	12.11M	1.32B	-914.71K	-7.02%
2023-12-31	JANUS HENDERSON GROUP PLC	0.48%	12.06M	1.31B	-273.18K	-2.22%
2023-12-31	DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK, FRANKFURT AM MAIN	0.47%	12.05M	1.31B	253.98K	+2.15%
2023-12-31	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.45%	11.43M	1.25B	-674.66K	-5.57%
2023-12-31	FRANKLIN RESOURCES INC	0.4%	10.11M	1.1B	617.02K	+6.50%
2023-12-31	RAYMOND JAMES & ASSOCIATES	0.38%	9.59M	1.05B	178.13K	+1.89%
2023-12-31	ARISTOTLE CAPITAL MANAGEMENT, LLC	0.37%	9.49M	1.03B	-436.26K	-4.40%
2023-12-31	ALLIANCEBERNSTEIN L.P.	0.35%	9M	980.89M	-392.12K	-4.18%
2023-12-31	PNC FINANCIAL SERVICES GROUP, INC.	0.35%	8.79M	958.67M	-102.25K	-1.15%
2023-12-31	PUTNAM INVESTMENTS LLC	0.33%	8.46M	921.91M	328.35K	+4.04%
2023-12-31	CAPITAL WORLD INVESTORS	0.33%	8.33M	907.71M	-3.3M	-28.40%
2023-12-31	NORDEA INVESTMENT MANAGEMENT AB	0.33%	8.31M	905.04M	-131.04K	-1.55%
2023-12-31	SWISS NATIONAL BANK	0.31%	7.93M	865.04M	-227K	-2.78%
2023-12-31	BANK OF MONTREAL /CAN/	0.3%	7.56M	824.76M	2.04M	+36.87%
2023-12-31	SCHRODER INVESTMENT MANAGEMENT GROUP	0.3%	7.54M	822.54M	404.65K	+5.67%
2023-12-31	LSV ASSET MANAGEMENT	0.29%	7.47M	814.28M	-345.13K	-4.42%
2023-12-31	ENVESTNET ASSET MANAGEMENT INC	0.28%	7.16M	780.43M	-71.1K	-0.98%
2023-12-31	CLEARBRIDGE INVESTMENTS, LLC	0.28%	7.13M	777.79M	-146.41K	-2.01%
2023-12-31	STIFEL FINANCIAL CORP	0.27%	6.8M	741.06M	-37.18K	-0.54%
2023-12-31	SUMITOMO MITSUI TRUST HOLDINGS, INC.	0.27%	6.77M	738.52M	-118.17K	-1.71%
2023-12-31	HSBC HOLDINGS PLC	0.26%	6.68M	727.71M	402.73K	+6.42%
2023-12-31	BARROW HANLEY MEWHINNEY & STRAUSS LLC	0.26%	6.54M	712.95M	-1.4K	-0.02%
2023-12-31	CREDIT SUISSE AG/	0.26%	6.52M	710.32M	-805.94K	-11.01%
2023-12-31	VANGUARD GROUP INC	9.65%	244.78M	26.69B	1.24M	+0.51%
2023-12-31	BLACKROCK INC.	7.95%	201.84M	22B	-1.1M	-0.54%
2023-12-31	STATE STREET CORP	4.61%	116.87M	12.83B	1.2M	+1.03%
2023-12-31	WELLINGTON MANAGEMENT GROUP LLP	3.37%	85.6M	9.33B	85.6M	+100.00%
2023-12-31	GEODE CAPITAL MANAGEMENT, LLC	2.18%	55.43M	6.03B	1.35M	+2.50%
2023-12-31	FMR LLC	1.69%	42.8M	4.67B	4.65M	+12.20%
2023-12-31	MORGAN STANLEY	1.58%	40.13M	4.37B	1.54M	+3.98%

MRK Insiders

Insiders	Designation	Shares Held
FRAZIER KENNETH C	Executive Chair	700.65K
DAVIS ROBERT M	Chairman, CEO & President	348.33K
DELUCA RICHARD R.	EVP&Pres, Merck Animal Heallth	111.76K
CLYBURN FRANK	EVP & Pres ? Human Health	97.1K
LITCHFIELD CAROLINE	EVP & CFO	50.91K
LI DEAN Y	Executive VP & President, MRL	46.24K
KARACHUN RITA A	Sr. VP Fince-Global Controller	45.71K
GERBERDING JULIE L.	EVP, Chief Patient Officer	39.16K
OOSTHUIZEN JOHANNES JACOBUS	President, U.S. Market	30.71K
ZACHARY JENNIFER	EVP, General Counsel	29.06K
WILLIAMS DAVID MICHAEL	EVP,Chief Info&Digital Officer	24.12K
MIZELL STEVEN	EVP, Chief HR Officer	23.62K
ROMANELLI JOSEPH	President, Human Health Int?l	19.57K
BAKER DOUGLAS M JR	director	16K
DOWNING CRISTAL N	Chief Comm. & Public Afrs Ofcr	7.09K
THULIN INGE G	director	2.93K
BRUN LESLIE A	director	1.95K
WEEKS WENDELL P	director	100
CHATTOPADHYAY SANAT	Exe V-P & Pres. MMD	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
2025-02-19	OOSTHUIZEN JOHANNES JACOBUS	SALE	84.09	8.5K	714.74K	30.71K
2025-02-13	WILLIAMS DAVID MICHAEL	SALE	85.34	6K	512.06K	24.12K
2025-02-06	DOWNING CRISTAL N	SALE	88.76	2.36K	209.55K	7.09K
2025-02-06	THULIN INGE G	PURCHASE	88.25	2.83K	250K	2.93K
2025-02-05	BAKER DOUGLAS M JR	PURCHASE	88.50	15K	1.33M	16K
2024-02-14	DAVIS ROBERT M	SALE	125.40	85.02K	10.66M	348.33K
2024-02-14	LITCHFIELD CAROLINE	SALE	125.50	38.29K	4.81M	50.91K
2024-02-13	DAVIS ROBERT M	SALE	126.37	25.32K	3.2M	348.33K
2024-02-13	ROMANELLI JOSEPH	SALE	124.89	1K	124.89K	19.57K
2024-02-09	LI DEAN Y	SALE	125.50	14.7K	1.85M	46.24K
2024-02-07	WILLIAMS DAVID MICHAEL	SALE	127.57	1.45K	185.11K	19.81K
2024-02-02	OOSTHUIZEN JOHANNES JACOBUS	SALE	127.17	18.96K	2.41M	23.33K
2024-02-02	ZACHARY JENNIFER	SALE	126.97	49.5K	6.28M	29.06K
2024-02-02	MIZELL STEVEN	SALE	126.65	50.69K	6.42M	23.62K
2023-11-09	OOSTHUIZEN JOHANNES JACOBUS	SALE	102.38	2.08K	213.06K	18.19K
2023-11-08	DELUCA RICHARD R.	SALE	105.03	43.82K	4.6M	111.76K
2023-08-14	MIZELL STEVEN	SALE	109.01	4.25K	463.29K	22.94K
2023-08-03	MIZELL STEVEN	SALE	105.49	4.5K	474.7K	27.19K
2023-08-02	ROMANELLI JOSEPH	SALE	107.37	59	6.33K	0
2023-05-04	ZACHARY JENNIFER	SALE	117.59	19.14K	2.25M	35.13K
2023-05-04	KARACHUN RITA A	SALE	117.53	15.88K	1.87M	45.71K
2023-05-03	MIZELL STEVEN	SALE	119.01	13.4K	1.59M	31.69K
2023-05-02	WILLIAMS DAVID MICHAEL	SALE	116.82	7.51K	877.22K	11.06K
2023-05-01	DELUCA RICHARD R.	SALE	116.03	75.44K	8.75M	154.49K
2023-04-28	DELUCA RICHARD R.	SALE	115.00	66.16K	7.61M	154.49K
2023-04-28	DAVIS ROBERT M	SALE	114.93	143.33K	16.47M	271.82K
2023-04-26	ROMANELLI JOSEPH	PURCHASE	113.68	3	341.04	20.6K
2023-04-13	CHATTOPADHYAY SANAT	SALE	115.07	67.89K	7.81M	0
2023-03-24	ROMANELLI JOSEPH	SALE	104.65	35	3.66K	20.6K
2023-03-20	ROMANELLI JOSEPH	PURCHASE	105.47	136	14.34K	20.63K
2023-02-21	ROMANELLI JOSEPH	PURCHASE	109.20	11	1.2K	20.5K
2023-02-15	ROMANELLI JOSEPH	SALE	108.22	5K	541.1K	20.28K
2023-02-13	MIZELL STEVEN	SALE	109.10	1.82K	198.02K	33.09K
2023-02-09	MIZELL STEVEN	SALE	107.00	5K	535.01K	34.9K
2023-02-06	MIZELL STEVEN	SALE	104.25	4.44K	462.47K	39.9K
2023-02-03	ZACHARY JENNIFER	SALE	103.17	75.44K	7.78M	53.92K
2023-01-09	CHATTOPADHYAY SANAT	SALE	114.46	1.7K	194.81K	29.5K
2022-12-19	ROMANELLI JOSEPH	PURCHASE	109.04	7	763.28	20.48K
2022-12-13	ROMANELLI JOSEPH	PURCHASE	110.96	56	6.21K	20.48K
2022-12-06	ROMANELLI JOSEPH	PURCHASE	109.39	30	3.28K	20.42K
2022-12-05	ROMANELLI JOSEPH	PURCHASE	109.54	107	11.72K	20.39K
2022-12-02	ROMANELLI JOSEPH	PURCHASE	109.67	59	6.47K	59
2022-11-10	MIZELL STEVEN	SALE	101.42	15K	1.52M	32.14K
2022-11-09	DAVIS ROBERT M	SALE	103.59	100	10.36K	247.59K
2022-11-09	OOSTHUIZEN JOHANNES JACOBUS	SALE	103.21	1.8K	185.26K	16.73K
2022-11-08	MIZELL STEVEN	SALE	101.00	20K	2.02M	32.14K
2022-11-07	FRAZIER KENNETH C	SALE	100.07	84.72K	8.48M	700.65K
2022-11-07	OOSTHUIZEN JOHANNES JACOBUS	SALE	99.47	45.56K	4.53M	18.53K
2022-11-04	FRAZIER KENNETH C	SALE	99.08	34.81K	3.45M	700.65K
2022-11-03	FRAZIER KENNETH C	SALE	99.09	20.38K	2.02M	700.65K
2022-11-02	FRAZIER KENNETH C	SALE	100.40	94.34K	9.47M	700.65K
2022-11-01	FRAZIER KENNETH C	SALE	101.05	700	70.73K	706.28K
2022-10-31	FRAZIER KENNETH C	SALE	101.03	229.3K	23.17M	706.28K
2022-10-28	ZACHARY JENNIFER	SALE	99.85	65.49K	6.54M	38.04K
2022-10-28	DELUCA RICHARD R.	SALE	100.26	164.56K	16.5M	136.98K
2022-10-28	MIZELL STEVEN	SALE	98.84	8K	790.72K	32.14K
2022-10-28	KARACHUN RITA A	SALE	100.34	32K	3.21M	41.1K
2022-10-28	FRAZIER KENNETH C	SALE	100.80	178.36K	17.98M	706.28K
2022-10-28	CHATTOPADHYAY SANAT	SALE	100.10	100.29K	10.04M	45.61K
2022-10-28	OOSTHUIZEN JOHANNES JACOBUS	SALE	100.21	3.63K	364.06K	10.88K
2021-11-09	FRAZIER KENNETH C	SALE	83.23	29.62K	2.46M	586.8K
2021-11-04	LITCHFIELD CAROLINE	SALE	91.00	18.34K	1.67M	24.11K
2021-11-04	DELUCA RICHARD R.	SALE	90.40	29.78K	2.69M	116.93K
2021-11-03	KARACHUN RITA A	SALE	88.45	25K	2.21M	35.8K
2021-11-01	CLYBURN FRANK	SALE	87.87	39.76K	3.49M	97.1K
2021-11-01	GERBERDING JULIE L.	SALE	87.91	96.27K	8.46M	39.16K
2021-10-29	CHATTOPADHYAY SANAT	SALE	87.32	24.62K	2.15M	93.15K
2021-10-29	DELUCA RICHARD R.	SALE	87.56	135.41K	11.86M	116.93K
2021-05-10	CLYBURN FRANK	SALE	78.32	19.32K	1.51M	94.35K
2020-11-09	FRAZIER KENNETH C	SALE	81.74	144.87K	11.84M	411.55K
2020-10-05	DAVIS ROBERT M	SALE	81.03	251.27K	20.36M	171.06K
2020-08-13	CHATTOPADHYAY SANAT	SALE	83.01	10.38K	861.68K	67.37K
2020-08-05	CLYBURN FRANK	SALE	81.55	18.88K	1.54M	80.76K
2020-07-17	GERBERDING JULIE L.	SALE	80.01	18.17K	1.45M	26.58K
2020-05-07	BRUN LESLIE A	SALE	75.46	5K	377.3K	1.95K
2020-05-07	WEEKS WENDELL P	SALE	76.02	5K	380.1K	100
2020-01-13	GERBERDING JULIE L.	SALE	89.34	102.07K	9.12M	37.04K
2019-08-08	DELUCA RICHARD R.	SALE	85.01	31.7K	2.69M	71.52K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE17.83K2

SALES16.86K3

NET SHARES9721

NO. OF SHARES HELD80.85K5

% NET SHARES-98.8%-80%

MRK Stock Ownership Breakdown

Merck & Co., Inc.

MRK Stock Outstanding Shares

Market Insider MRK

Institutional Ownership

MRK Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

MRK Stock Outstanding Shares

Market Insider MRK

Institutional Ownership

MRK Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions