No open-market buys or sells in this period. The transactions below are grants, option exercises and gifts, which carry no market price.
Trading track record · all companies
Not enough open-market trades to chart a track record yet.
Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.
Transactions · 90d
-
MRK Grant·A
EVP, Oncology & Int?l
$0
41.6K sh · 2 lots
Own New
-
MRK Exercise·M
EVP, Oncology & Int?l
$0
1.4K sh
Own +100%
-
MRK Other·F
EVP, Oncology & Int?l
$74.7K
679 sh · $110.03
Own -3%
-
MRK Exercise·M
EVP, Oncology & Int?l
$151.5K
1.4K sh · $110.03
Own +6%
| Date▾ | Ticker | Type | Shares | Value |
|---|---|---|---|---|
| May 5, 2026 | MRK | Grant A | 41.6K2 lots | $0 |
| Apr 29, 2026 | MRK | Exercise M | 1.4K | $0 |
| Apr 29, 2026 | MRK | Other F | 679 | $74.7K |
| Apr 29, 2026 | MRK | Exercise M | 1.4K | $151.5K |
Buy Sell Non-market (grant · exercise · gift)
About Oosthuizen Johannes Jacobus
This profile aggregates every SEC Form 4 insider transaction reported by Oosthuizen Johannes Jacobus across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.