MRK: 4 members of Congress and 1 executive-branch filer disclosed trades (14 buys / 5 sells). Compiled from official House, Senate and OGE filings.
| Filed | Filer | Owner | Branch | Ticker | Side | Filed amount (range) | Source |
|---|---|---|---|---|---|---|---|
| 2026-10-07 | Maria Elvira Salazar | Not specified | House | MRK | SELL | $1K–$15K | House Clerk filing |
| 2026-09-09 | Maria Elvira Salazar | Not specified | House | MRK | BUY | $15K–$50K | House Clerk filing |
| 2026-09-09 | Maria Elvira Salazar | Not specified | House | MRK | BUY | $15K–$50K | House Clerk filing |
| 2026-08-12 | Donald J. Trump | Not specified | Executive | MRK | BUY | $50K–$100K | OGE filing |
| 2026-08-12 | Donald J. Trump | Not specified | Executive | MRK | BUY | $50K–$100K | OGE filing |
| 2026-08-12 | Donald J. Trump | Not specified | Executive | MRK | BUY | — | OGE filing |
| 2026-06-25 | Donald J. Trump | Not specified | Executive | MRK | SELL | — | OGE filing |
| 2026-06-25 | Donald J. Trump | Not specified | Executive | MRK | SELL | $1K–$15K | OGE filing |
| 2026-06-25 | Donald J. Trump | Not specified | Executive | MRK | BUY | $15K–$50K | OGE filing |
| 2026-06-25 | Donald J. Trump | Not specified | Executive | MRK | BUY | $15K–$50K | OGE filing |
| 2026-06-25 | Donald J. Trump | Not specified | Executive | MRK | SELL | $1K–$15K | OGE filing |
| 2026-05-08 | Donald J. Trump | Not specified | Executive | MRK | BUY | $50K–$100K | OGE filing |
| 2026-05-08 | Donald J. Trump | Not specified | Executive | MRK | BUY | $15K–$50K | OGE filing |
| 2026-05-08 | Donald J. Trump | Not specified | Executive | MRK | BUY | — | OGE filing |
| 2026-05-08 | Donald J. Trump | Not specified | Executive | MRK | BUY | $1K–$15K | OGE filing |
| 2026-05-08 | Donald J. Trump | Not specified | Executive | MRK | BUY | $1K–$15K | OGE filing |
| 2026-03-16 | Josh Gottheimer | Joint | House | MRK | BUY | $1K–$15K | House Clerk filing |
| 2026-01-15 | Julie Johnson | Joint | House | MRK | SELL | $1K–$15K | House Clerk filing |
| 2026-01-12 | Gilbert Cisneros | Not specified | House | MRK | BUY | $1K–$15K | House Clerk filing |
Owner: Spouse, Joint, or Dependent child when the filing says so; Not specified when it does not. Self appears only for an explicit self code. Amounts are the ranges stated on the filing. "Filing" opens the official document.
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