Susan M. Collins MRK Stock Trades
Susan M. Collins's trading activity in MRK
1
Total trades
$1K
Total volume
Jun 4, 2018
First trade
Jun 4, 2018
Last trade
Susan M. Collins has disclosed 1 trade in MRK between Jun 4, 2018 and Jun 4, 2018, totaling approximately $1K in transaction volume. Activity has been net-buying, with 1 purchase and 0 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 |
|---|---|---|---|---|---|
| Jun 4, 2018 | Jul 10, 2018 | 36d | 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 | 120 | Mar 10, 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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