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JO
Insider

Johannes Jacobus Oosthuizen

President, U.S. Market

Johannes Jacobus Oosthuizen (President, U.S. Market) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Merck & Co., Inc. (MRK). The largest single filing was $1.8M of MRK (15,000 sh × $121.87, as filed), executed Feb 6.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
1
0 buys · 1 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.8M
shares × price, as filed
Last traded
Feb 6
Filed Feb 6

Median ADV $1.4B across their filed names

Open performance
Volume by month
$1.8M$914K$0Oct 2024Apr 2025Oct 2025Apr 2026Feb 2025 · sells $715KFeb 2026 · sells $1.8M
Buys $0 Sells $2.5M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
MRK Merck & Co., Inc. MRK · 0 buys · 2 sells 2 filings
Recent filings
MRKSALE Merck & Co., Inc. View filing → $1.8M
15,000 sh × $121.87
Exec Feb 6
Filed Feb 6 · 5:30 PM ET
MRKSALE Merck & Co., Inc. View filing → $715K
8,500 sh × $84.09
Exec Feb 19 2025
Filed Feb 20 2025 · 5:30 PM ET