Gilbert Cisneros MRK Stock Trades
Gilbert Cisneros's trading activity in MRK
8
Total trades
$36K
Total volume
Jan 24, 2025
First trade
Dec 19, 2025
Last trade
Gilbert Cisneros has disclosed 8 trades in MRK between Jan 24, 2025 and Dec 19, 2025, totaling approximately $36K 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 |
|---|---|---|---|---|---|
| Dec 19, 2025 | Jan 12, 2026 | 24d | Purchase | $1K | — |
| Nov 18, 2025 | Dec 15, 2025 | 27d | Purchase | $1K | — |
| Aug 5, 2025 | Sep 12, 2025 | 38d | Purchase | $1K | — |
| May 30, 2025 | Jun 6, 2025 | 7d | Sale | $1K | — |
| Apr 29, 2025 | May 6, 2025 | 7d | Purchase | $1K | — |
| Mar 31, 2025 | Apr 7, 2025 | 7d | Sale | $15K | — |
| Feb 26, 2025 | Mar 6, 2025 | 8d | Purchase | $15K | — |
| Jan 24, 2025 | Feb 11, 2025 | 18d | Sale | $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 |
| Katherine M. Clark | D | 8 | Sep 16, 2021 |
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