Michael T. McCaul MRK Stock Trades

Michael T. McCaul's trading activity in MRK

43

Total trades

$1.6M

Total volume

Jul 14, 2014

First trade

Jan 13, 2026

Last trade

Michael T. McCaul has disclosed 43 trades in MRK between Jul 14, 2014 and Jan 13, 2026, totaling approximately $1.6M in transaction volume. Activity has been net-selling, with 19 purchases and 24 sales recorded.

MRK has drawn broader insider attention: 5 other members of Congress have traded the stock, and 21 corporate insider transactions have been disclosed at MRK in the last 12 months. See the full activity below.

All MRK Trades

TRADE DATEDISCLOSEDDELAYTYPEAMOUNTOWNER
Jan 13, 2026Feb 11, 202629dSale$15K—
Oct 27, 2025Nov 10, 202514dSale$15K—
Aug 22, 2025Sep 11, 202520dSale$50K—
Jun 27, 2025Jul 7, 202510dSale$100K—
May 19, 2025Jun 9, 202521dPurchase$50K—
Apr 2, 2025May 12, 202540dPurchase$100K—
Nov 20, 2024Dec 16, 202426dSale$50K—
Nov 20, 2024Dec 16, 202426dSale$15K—
Aug 2, 2024Sep 16, 202445dPurchase$1K—
Feb 20, 2024Mar 15, 202424dSale$1K—
May 12, 2023Jun 22, 202341dSale$15K—
May 12, 2023Jun 22, 202341dSale$100K—
Mar 31, 2023Apr 19, 202319dSale$50K—
Nov 9, 2022Dec 22, 202243dSale$100K—
Nov 9, 2022Dec 22, 202243dSale$15K—
Sep 9, 2022Oct 13, 202234dPurchase$15K—
Sep 9, 2022Oct 13, 202234dPurchase$50K—
Jan 28, 2022Feb 23, 202226dSale$1K—
Dec 23, 2021Jan 27, 202235dSale$100K—
Dec 23, 2021Jan 27, 202235dSale$15K—
Aug 4, 2021Sep 29, 202156dSale$1K—
Jun 18, 2021Jul 16, 202128dSale$15K—
Apr 28, 2021May 26, 202128dPurchase$250K—
Apr 28, 2021May 26, 202128dPurchase$50K—
Mar 5, 2021Apr 19, 202145dPurchase$15K—
Mar 5, 2021Apr 19, 202145dPurchase$1K—
Nov 13, 2020Jan 7, 202155dPurchase$15K—
Nov 13, 2020Jan 7, 202155dPurchase$50K—
Mar 30, 2020May 6, 202037dPurchase$1K—
Mar 30, 2020May 6, 202037dPurchase$50K—
Feb 12, 2020May 6, 202084dPurchase$15K—
May 1, 2019Jun 27, 201957dPurchase$1K—
May 1, 2018Jun 14, 201844dPurchase$15K—
Apr 5, 2018May 15, 201840dPurchase$15K—
Apr 2, 2018May 15, 201843dPurchase$50K—
May 11, 2016Jun 16, 201636dSale$1K—
Feb 3, 2016Mar 18, 201644dSale$50K—
Jan 26, 2016Mar 1, 201635dPurchase$1K—
Oct 6, 2015Nov 19, 201544dSale$15K—
Apr 6, 2015May 14, 201538dSale$100K—
Mar 25, 2015Apr 16, 201522dSale$15K—
Mar 25, 2015Apr 16, 201522dSale$50K—
Jul 14, 2014Aug 19, 201436dSale$15K—

Corporate Insider Activity in MRK

10 corporate insiders at Merck & Co., Inc. have also traded MRK in the last 12 months — 0 buys, 21 sells.

Top Sellers

Zachary Jennifer

3 sales

$14.5M

Davis Robert M

2 sales

$5.6M

DeLuca Richard R.

4 sales

$5.3M
View full MRK insider activity →

Other Members of Congress Trading MRK

POLITICIANPARTYTRADESLAST TRADE
Ro KhannaD121May 15, 2026
David PerdueR25Apr 16, 2020
Lois FrankelD16Sep 8, 2023
Gilbert CisnerosD8Dec 19, 2025
Katherine M. ClarkD8Sep 16, 2021

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