Oosthuizen Johannes Jacobus insider trades
Oosthuizen Johannes Jacobus has filed 24 Form 4s with the SEC that we hold, all for Merck & Co., Inc. (MRK), as EVP, Oncology & Int?l. Across all of them we count 0 purchases worth $0 and 7 sales worth $10.2M reported on Form 4. In the last 12 months: 0 purchases ($0) and 1 sale ($1.8M). The largest single trade was a sale of 45,561 shares of Merck & Co., Inc. worth $4.5M, dated 2022-11-07. The first filing on our record is dated 2022-05-03 and the latest 2026-05-07.
Merck & Co., Inc. (MRK)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2022-10-28 | S, sale reported on Form 4 | 3,633 | $364.1K | 2022-11-01 |
| 2022-11-07 | S, sale reported on Form 4 | 45,561 | $4.5M | 2022-11-07 |
| 2022-11-09 | S, sale reported on Form 4 | 1,795 | $185.3K | 2022-11-10 |
| 2023-11-09 | S, sale reported on Form 4 | 2,081 | $213.1K | 2023-11-13 |
| 2024-02-02 | S, sale reported on Form 4 | 18,959 | $2.4M | 2024-02-05 |
| 2025-02-19 | S, sale reported on Form 4 | 8,500 | $714.8K | 2025-02-20 |
| 2026-02-06 | S, sale reported on Form 4 | 15,000 | $1.8M | 2026-02-06 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1916310) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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