Person

Johannes Jacobus Oosthuizen

EVP, Oncology & Int?l, Merck & Co.

Current S&P 500 boards
0
Current roles
1
Open-market buys
$0
Open-market sales
$10.2M

Current roles

From Section 16 filings (Forms 3, 4 and 5) in the last 13 months.

Past roles

“Last filing” is the latest Form 3/4/5 for that company, an upper bound on the end date.

  • VYLR
    Vylor
    Director
    Oct 2026 – last filing Oct 2026

Sits alongside

People who currently share a board or management team with this person.

Open-market trades

Purchases and sales reported on Form 4 at S&P 500 companies.

DateCompanyTypeSharesPriceValue
Feb 6, 2026MRKSale15,000$121.87$1.8M
Feb 19, 2025MRKSale8,500$84.09$715K
Feb 2, 2024MRKSale18,959$127.18$2.4M
Nov 9, 2023MRKSale2,081$102.38$213K
Nov 9, 2022MRKSale1,795$103.21$185K
Nov 7, 2022MRKSale45,561$99.47$4.5M
Oct 28, 2022MRKSale3,633$100.21$364K

SEC reporting-owner ID (CIK) 1916310 · all filings on EDGAR

Johannes Jacobus Oosthuizen (MRK) | USBoard