13F Pro

SEC Form 4 reporting owner

Oosthuizen Johannes Jacobus

Oosthuizen Johannes Jacobus has filed 5 Form 4 transactions reported between February 6, 2026 and May 5, 2026, as EVP, Oncology & Int?l, President, U.S. Market of Merck & Co., Inc..

Name as filed: Oosthuizen Johannes Jacobus

Open-market buys, 24 mo
None
reported
Open-market sales, 24 mo
$1.8M
1 lines
Companies
1
with Form 4 filings
Latest transaction
May 5, 2026
transaction date

Roles and reported holdings

  • MRKMerck & Co., Inc.
    Feb 6, 2026 – May 5, 2026

    EVP, Oncology & Int?l, President, U.S. Market

    Held directly21,895 sh as of Apr 29, 2026 · Form 4

    24 months: $1.8M sold

Transaction history

All 5 reported transactions, newest first. Every row links to the Form 4 on SEC EDGAR.

DateCompanyTypeSharesValueFiling
May 5, 2026MRKEVP, Oncology & Int?lGrant or awardCode A · direct31,044—Form 4
May 5, 2026MRKEVP, Oncology & Int?lGrant or awardCode A · direct10,605—Form 4
Apr 29, 2026MRKEVP, Oncology & Int?lShares withheld for tax or exercise priceCode F · direct679$75K@ $110.03Form 4
Apr 29, 2026MRKEVP, Oncology & Int?lOption exerciseCode M · direct1,377$152K@ $110.03Form 4
Feb 6, 2026MRKPresident, U.S. MarketOpen-market saleCode S · direct15,000$1.8M@ $121.87Form 4

How this page is built

Every row comes from a Form 4 filed with the SEC, which officers, directors and holders of more than 10% of a company’s stock must file within two business days of a trade. Transactions are grouped by the reporting owner’s name as filed (spacing, capitals and punctuation ignored); two different people filing under an identical name would appear together, and one person filing under two spellings appears on two pages.

Open-market totals count code P purchases and code S sales over the last 24 months. The same trade reported on more than one filing is counted once; when another owner (for example a fund and its general partner) reports the identical trade, they are listed beside it. Holdings are the shares owned after the latest purchase, sale, gift or tax-withholding line, shown separately for direct and indirect ownership; an indirect figure is one holding line, not a total across every trust or entity.

This page describes what was filed with the SEC; it is not investment advice or a recommendation to buy or sell any security.