Johannes Jacobus Oosthuizen, President, U.S. Market at Merck & Co., Inc. (MRK), sold 15,000 shares at $121.87 ($1.8M) on 2026-02-06, disclosed to the SEC on 2026-02-06.
Open-market sale of $1.8M MRK by President, U.S. Market. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| MRK | SELL | 2023-11-13 | $426K | — | Filing → |
| MRK | SELL | 2022-11-10 | $371K | — | Filing → |
| MRK | SELL | 2022-11-07 | $9.1M | — | Filing → |