Katherine M. Clark MRK Stock Trades
Katherine M. Clark's trading activity in MRK
8
Total trades
$22K
Total volume
Jan 23, 2014
First trade
Sep 16, 2021
Last trade
Katherine M. Clark has disclosed 8 trades in MRK between Jan 23, 2014 and Sep 16, 2021, totaling approximately $22K in transaction volume. Activity has been net-buying, with 5 purchases and 3 sales recorded.
MRK has drawn broader insider attention: 5 other members of Congress have traded the stock, and 18 corporate insider transactions have been disclosed at MRK in the last 12 months. See the full activity below.
All MRK Trades
| TRADE DATE | DISCLOSED | DELAY | TYPE | AMOUNT | OWNER |
|---|---|---|---|---|---|
| Sep 16, 2021 | Oct 14, 2021 | 28d | Sale | $1K | — |
| Jul 27, 2021 | Aug 15, 2021 | 19d | Purchase | $1K | — |
| Nov 18, 2015 | Dec 8, 2015 | 20d | Sale | $15K | — |
| Oct 28, 2014 | Dec 19, 2014 | 52d | Sale | $1K | — |
| Aug 26, 2014 | Dec 19, 2014 | 115d | Purchase | $1K | — |
| Aug 14, 2014 | Dec 19, 2014 | 127d | Purchase | $1K | — |
| Feb 27, 2014 | Dec 19, 2014 | 295d | Purchase | $1K | — |
| Jan 23, 2014 | Dec 19, 2014 | 330d | Purchase | $1K | — |
Corporate Insider Activity in MRK
10 corporate insiders at Merck & Co., Inc. have also traded MRK in the last 12 months — 0 buys, 18 sells.
Top Sellers
Zachary Jennifer
3 sales
Davis Robert M
2 sales
Litchfield Caroline
1 sale
Other Members of Congress Trading MRK
| POLITICIAN | PARTY | TRADES | LAST TRADE |
|---|---|---|---|
| Ro Khanna | D | 121 | May 15, 2026 |
| Michael T. McCaul | R | 43 | Jan 13, 2026 |
| David Perdue | R | 25 | Apr 16, 2020 |
| Lois Frankel | D | 16 | Sep 8, 2023 |
| Gilbert Cisneros | D | 8 | Dec 19, 2025 |
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