Skip to contentOosthuizen Johannes Jacobus — MERCK & CO INC insider: 62 transactions · InsiderLensOosthuizen Johannes Jacobus
- President, U.S. Market at MERCK & CO INC · on record since Mar 10, 2022
Insider trading activity of Oosthuizen Johannes Jacobus
- Transactions on record
- 62
- since May 3, 2022
- Open-market buys
- 0
- Open-market sells
- 7
- $10.2M
- Companies traded
- 1
- last filing May 7, 2026
Figures computed from official regulatory filings — methodology.
Companies where Oosthuizen Johannes Jacobus has traded
Track record of Oosthuizen Johannes Jacobus
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Oosthuizen Johannes Jacobus
Co-insiders of Oosthuizen Johannes Jacobus
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Bowles Richard S IIIMERCK & CO INC
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 7, 2026 | AwardD | 31,044 | 0.00 USD | $0 | SEC |
| May 7, 2026 | AwardD | 10,605 | 0.00 USD | $0 | SEC |
| May 1, 2026 | Other | -679 | 110.03 USD | $74.7K | SEC |
| May 1, 2026 | ExerciseD | -1,377 | 0.00 USD | $0 | SEC |
| May 1, 2026 | Exercise | 1,377 | 110.03 USD | $151.5K | SEC |
| Feb 6, 2026 | Sell | -15,000 | 121.87 USD | $1.8M | SEC |
| Jan 28, 2026 | Award | 5,026 | 107.40 USD | $539.8K | SEC |
| May 1, 2025 | AwardD | 18,807 | 0.00 USD | $0 | SEC |
| May 1, 2025 | AwardD | 4,132 | 0.00 USD | $0 | SEC |
| Feb 20, 2025 | Sell | -8,500 | 84.09 USD | $714.8K | SEC |
| Feb 11, 2025 | ExerciseD | -13,002 | 0.00 USD | $0 | SEC |
| Feb 11, 2025 | Exercise | 13,002 | 87.28 USD | $1.1M | SEC |
| Feb 11, 2025 | Other | -6,404 | 87.28 USD | $558.9K | SEC |
| Jan 29, 2025 | Award | 8,664 | 97.94 USD | $848.6K | SEC |
| May 6, 2024 | ExerciseD | -912 | 0.00 USD | $0 | SEC |
| May 6, 2024 | Exercise | 912 | 127.51 USD | $116.3K | SEC |
| May 6, 2024 | Other | -450 | 127.51 USD | $57.4K | SEC |
| May 2, 2024 | AwardD | 20,508 | 0.00 USD | $0 | SEC |
| Feb 5, 2024 | ExerciseD | -7,119 | 0.00 USD | $0 | SEC |
| Feb 5, 2024 | Sell | -18,959 | 127.18 USD | $2.4M | SEC |
| Feb 5, 2024 | ExerciseD | -7,045 | 0.00 USD | $0 | SEC |
| Feb 5, 2024 | ExerciseD | -6,773 | 0.00 USD | $0 | SEC |
| Feb 5, 2024 | Exercise | 7,045 | 73.73 USD | $519.4K | SEC |
| Feb 5, 2024 | Exercise | 6,773 | 75.36 USD | $510.4K | SEC |
| Feb 5, 2024 | Exercise | 7,119 | 87.10 USD | $620.1K | SEC |