A global pharmaceutical company focused on prescription medicines, vaccines, and biologic therapies, Merck generates a significant share of revenue from its oncology franchise, led by blockbuster immunotherapy Keytruda. The company also maintains a sizable vaccines business and an expanding pipeline in oncology, infectious diseases, and cardiometabolic conditions. Investors monitor patent expiration timelines, clinical trial outcomes, and capital allocation as key drivers of long-term earnings growth.
17 members of Congress have disclosed 50 trades in Merck & Co., Inc. (MRK), a Healthcare company. The buy/sell breakdown shows 20 purchases versus 30 sales, indicating net selling pressure from lawmakers. All data is sourced from STOCK Act periodic transaction reports filed with Congress.
| Date | Politician | Type | Amount |
|---|---|---|---|
| 2026-04-18 | JANE HARMAN | sell | $1K – $15K |
| 2026-03-27 | Alan Armstrong | sell | $15K – $50K |
| 2026-03-10 | Rohit Khanna | sell | $1K – $15K |
| 2026-02-04 | Josh Gottheimer | buy | $1K – $15K |
| 2026-01-29 | Rohit Khanna | sell | $1K – $15K |
| 2026-01-13 | MICHAEL T. MCCAUL | sell | $1K – $15K |
| 2025-12-19 | Gilbert Cisneros | buy | $1K – $15K |
| 2025-12-18 | Julie Johnson | sell | $1K – $15K |
| 2025-12-04 | MICHAEL T. MCCAUL | sell | $15K – $50K |
| 2025-12-04 | MICHAEL T. MCCAUL | sell | $50K – $100K |
| 2025-12-04 | MICHAEL T. MCCAUL | buy | $50K – $100K |
| 2025-11-18 | Gilbert Cisneros | buy | $1K – $15K |
| 2025-11-13 | Julie Johnson | sell | $1K – $15K |
| 2025-10-27 | MICHAEL T. MCCAUL | buy | $1K – $15K |
| 2025-09-25 | Rohit Khanna | buy | $1K – $15K |
| 2025-09-23 | Valerie Hoyle | sell | $1K – $15K |
| 2025-09-23 | MICHAEL T. MCCAUL | buy | $1K – $15K |
| 2025-08-28 | Marjorie Taylor Greene | buy | $1K – $15K |
| 2025-08-22 | MICHAEL T. MCCAUL | sell | $50K – $100K |
| 2025-08-14 | Julie Johnson | sell | $1K – $15K |
| 2025-08-05 | Gilbert Cisneros | buy | $1K – $15K |
| 2025-08-04 | Lisa McClain | sell | $1K – $15K |
| 2025-07-24 | Rohit Khanna | sell | $1K – $15K |
| 2025-07-11 | Ritchie John Torres | sell | $1K – $15K |
| 2025-06-27 | MICHAEL T. MCCAUL | sell | $100K – $250K |
| 2025-06-24 | Lisa McClain | buy | $1K – $15K |
| 2025-06-23 | Rohit Khanna | buy | $1K – $15K |
| 2025-06-16 | Scott Franklin | sell | $1K – $15K |
| 2025-06-13 | Julie Johnson | buy | $1K – $15K |
| 2025-05-30 | Gilbert Cisneros | sell | $1K – $15K |
| 2025-05-28 | Rohit Khanna | sell | $1K – $15K |
| 2025-05-28 | Rohit Khanna | sell | $1K – $15K |
| 2025-05-15 | Rob Bresnahan | sell | $15K – $50K |
| 2025-05-05 | Marjorie Taylor Greene | buy | $1K – $15K |
| 2025-04-29 | Gilbert Cisneros | buy | $1K – $15K |
| 2025-04-23 | Rohit Khanna | sell | $1K – $15K |
| 2025-04-21 | Bruce Westerman | sell | $1K – $15K |
| 2025-04-17 | Jefferson Shreve | sell | $15K – $50K |
| 2025-04-15 | Rohit Khanna | sell | $50K – $100K |
| 2025-04-09 | Marjorie Taylor Greene | buy | $1K – $15K |
| 2025-04-09 | Rohit Khanna | buy | $1K – $15K |
| 2025-04-08 | Rob Bresnahan | buy | $15K – $50K |
| 2025-04-04 | Rohit Khanna | sell | $1K – $15K |
| 2025-04-04 | Rohit Khanna | buy | $1K – $15K |
| 2025-03-31 | Gilbert Cisneros | sell | $15K – $50K |
| 2025-03-20 | Kelly Louise Morrison | sell | $1K – $15K |
| 2025-03-19 | Sheri Biggs | sell | $15K – $50K |
| 2025-03-03 | Bruce Westerman | buy | $1K – $15K |
| 2025-02-26 | Gilbert Cisneros | buy | $15K – $50K |
| 2025-02-25 | Rob Bresnahan | sell | $15K – $50K |