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Merck & Co., Inc. (MRK) Insider Trading & Ownership

Merck & Co., Inc. logo
$84.13 +0.92 (+1.11%)
Closing price 03:59 PM Eastern
Extended Trading
$84.13 0.00 (0.00%)
As of 06:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Merck & Co., Inc. (NYSE:MRK) Insider Buying and Selling Activity

Current
Insider Ownership
Percentage
0.13%
Number Of
Insiders Buying
(Last 12 Months)
1
Amount Of
Insider Buying
(Last 12 Months)
$250.01K
Number Of
Insiders Selling
(Last 12 Months)
2
Amount Of
Insider Selling
(Last 12 Months)
$562.29K
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MRK Insider Buying and Selling by Quarter

Merck & Co., Inc. Insider and Congressional Trades History

Export to Excel
Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails
7/11/2025Ritchie TorresU.S. Congress Member (D-NY)Sell$83.35$1,001 - $15,000
7/1/2025Ro KhannaU.S. Congress Member (D-CA)Buy$81.75$1,001 - $15,000
6/27/2025Michael T. McCaulU.S. Congress Member (R-TX)Sell$78.93$100,001 - $250,000
6/24/2025Lisa C. McClainU.S. Congress Member (R-MI)Buy$80.38$1,001 - $15,000
6/23/2025Ro KhannaU.S. Congress Member (D-CA)Buy$80.15$15,001 - $50,000
6/20/2025Ro KhannaU.S. Congress Member (D-CA)Buy$79.24$1,001 - $15,000
6/16/2025C. Scott FranklinU.S. Congress Member (R-FL)Sell$80.97$1,001 - $15,000
6/13/2025Julie JohnsonU.S. Congress Member (D-TX)Buy$81.68$1,001 - $15,000
5/30/2025Gilbert Ray Cisneros, Jr.U.S. Congress Member (D-CA)Sell$76.86$1,001 - $15,000
5/28/2025Ro KhannaU.S. Congress Member (D-CA)Buy$76.17$15,001 - $50,000
5/19/2025Michael T. McCaulU.S. Congress Member (R-TX)Buy$77.16$50,001 - $100,000
5/19/2025Ro KhannaU.S. Congress Member (D-CA)Sell$77.16$1,001 - $15,000
5/15/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$74.68$15,001 - $50,000
5/9/2025Ro KhannaU.S. Congress Member (D-CA)Sell$75.88$1,001 - $15,000
5/8/2025Ro KhannaU.S. Congress Member (D-CA)Sell$77.65$1,001 - $15,000
5/5/2025Marjorie Taylor GreeneU.S. Congress Member (R-GA)Buy$82.85$1,001 - $15,000
4/29/2025Gilbert Ray Cisneros, Jr.U.S. Congress Member (D-CA)Buy$84.70$1,001 - $15,000
4/25/2025Dalton E Smart IIISVPSell4,262$82.76$352,723.12  
4/23/2025Ro KhannaU.S. Congress Member (D-CA)Sell$78.73$15,001 - $50,000
4/21/2025Bruce WestermanU.S. Congress Member (R-AR)Sell$77.91$1,001 - $15,000
4/17/2025Jefferson ShreveU.S. Congress Member (R-IN)Sell$77.93$15,001 - $50,000
4/15/2025Ro KhannaU.S. Congress Member (D-CA)Buy$78.28$15,001 - $50,000
4/9/2025Marjorie Taylor GreeneU.S. Congress Member (R-GA)Buy$81.82$1,001 - $15,000
4/8/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Buy$78.77$15,001 - $50,000
3/31/2025Gilbert Ray Cisneros, Jr.U.S. Congress Member (D-CA)Sell$89.74$15,001 - $50,000
3/20/2025Kelly MorrisonU.S. Congress Member (D-MN)Sell$94.72$1,001 - $15,000
3/3/2025Bruce WestermanU.S. Congress Member (R-AR)Buy$93.19$1,001 - $15,000
2/26/2025Gilbert Ray Cisneros, Jr.U.S. Congress Member (D-CA)Buy$89.39$15,001 - $50,000
2/25/2025Robert Bresnahan, Jr.U.S. Congress Member (R-PA)Sell$91.50$15,001 - $50,000
2/24/2025Jefferson ShreveU.S. Congress Member (R-IN)Buy$91.22$15,001 - $50,000
2/6/2025Cristal N DowningInsiderSell2,361$88.76$209,562.36  
2/6/2025Inge G ThulinDirectorBuy2,833$88.25$250,012.25  
(Data available from 1/1/2013 forward)

MRK Insider Trading Activity - Frequently Asked Questions

0.13% of Merck & Co., Inc. stock is owned by insiders. Learn more on MRK's insider holdings.

The following insider purchased MRK shares in the last 24 months: Inge G Thulin ($250,012.25).

Insiders have purchased a total of 2,833 MRK shares in the last 24 months for a total of $250,012.25 bought.

The following insiders have sold MRK shares in the last 24 months: Cristal N Downing ($209,562.36), Dalton E Smart III ($352,723.12), Johannes Jacobus Oosthuizen ($213,052.78), Joseph Romanelli ($124,890.00), Richard R Deluca ($4,602,729.69), and Steven Mizell ($6,420,395.10).

Insiders have sold a total of 104,221 Merck & Co., Inc. shares in the last 24 months for a total of $11,923,353.05 sold.

Ro Khanna (D-CA), Lisa C. McClain (R-MI), Julie Johnson (D-TX), Michael T. McCaul (R-TX), Marjorie Taylor Greene (R-GA), Gilbert Ray Cisneros, Jr. (D-CA), Robert Bresnahan, Jr. (R-PA), Bruce Westerman (R-AR), Jefferson Shreve (R-IN), and Jared Moskowitz (D-FL) have bought shares of Merck & Co., Inc. in the last year totaling $350,000. Ritchie Torres (D-NY), Michael T. McCaul (R-TX), C. Scott Franklin (R-FL), Gilbert Ray Cisneros, Jr. (D-CA), Ro Khanna (D-CA), Robert Bresnahan, Jr. (R-PA), Bruce Westerman (R-AR), Jefferson Shreve (R-IN), Kelly Morrison (D-MN), Josh Gottheimer (D-NJ), Byron Donalds (R-FL), Jared Moskowitz (D-FL), Jonathan L. Jackson (D-IL), and John James (R-MI) have sold shares totaling $498,500.

Merck & Co., Inc. Key Executives


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This page (NYSE:MRK) was last updated on 8/29/2025 by MarketBeat.com Staff
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