Johannes Jacobus Oosthuizen - Net Worth and Insider Trading

Johannes Jacobus Oosthuizen Net Worth

The estimated net worth of Johannes Jacobus Oosthuizen is at least $3 Million dollars as of 2025-07-02. Johannes Jacobus Oosthuizen is the President, U.S. Market of Merck & Co Inc and owns about 30,705 shares of Merck & Co Inc (MRK) stock worth over $3 Million. Details can be seen in Johannes Jacobus Oosthuizen's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Johannes Jacobus Oosthuizen has not made any transactions after 2025-02-19 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Johannes Jacobus Oosthuizen

Johannes Jacobus Oosthuizen Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Johannes Jacobus Oosthuizen owns 2 companies in total, including Merck & Co Inc (MRK) , and Merck & Co Inc (MRKPRB.PFD) .

Click here to see the complete history of Johannes Jacobus Oosthuizen’s form 4 insider trades.

Insider Ownership Summary of Johannes Jacobus Oosthuizen

Ticker	Company	Transaction Date	Type of Owner
MRK	Merck & Co Inc	2025-02-19	SVP & U.S. Market
MRKPRB.PFD	Merck & Co Inc	2022-02-28	SVP & U.S. Market

Johannes Jacobus Oosthuizen Latest Holdings Summary

Johannes Jacobus Oosthuizen currently owns a total of 1 stock. Johannes Jacobus Oosthuizen owns 30,705 shares of Merck & Co Inc (MRK) as of February 19, 2025, with a value of $3 Million.

Latest Holdings of Johannes Jacobus Oosthuizen

Ticker	Company	Latest Transaction Date	Shares Owned	Current Price ($)	Current Value ($)
MRK	Merck & Co Inc	2025-02-19	30,705	81.81	2,511,976

Holding Weightings of Johannes Jacobus Oosthuizen

Johannes Jacobus Oosthuizen Form 4 Trading Tracker

According to the SEC Form 4 filings, Johannes Jacobus Oosthuizen has made a total of 6 transactions in Merck & Co Inc (MRK) over the past 5 years, including 0 buys and 6 sells. The most-recent trade in Merck & Co Inc is the sale of 8,500 shares on February 19, 2025, which brought Johannes Jacobus Oosthuizen around $714,765.

Insider Trading History of Johannes Jacobus Oosthuizen

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.

Total 0

Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Johannes Jacobus Oosthuizen Trading Performance

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Johannes Jacobus Oosthuizen Ownership Network

Ownership Network List of Johannes Jacobus Oosthuizen

No Data

Ownership Network Relation of Johannes Jacobus Oosthuizen

Johannes Jacobus Oosthuizen Owned Company Details

What does Merck & Co Inc do?

Who are the key executives at Merck & Co Inc?

Johannes Jacobus Oosthuizen is the SVP & U.S. Market of Merck & Co Inc. Other key executives at Merck & Co Inc include EVP,Chief Info&Digital Officer David Michael Williams , Chief Comm. & Public Afrs Ofcr Cristal N Downing , and Evp & Global Svcs & CFO Robert M Davis .

Merck & Co Inc (MRK) Insider Trades Summary

Over the past 18 months, Johannes Jacobus Oosthuizen made 2 insider transaction in Merck & Co Inc (MRK) with a net sale of 27,459. Other recent insider transactions involving Merck & Co Inc (MRK) include a net sale of 7,451 shares made by David Michael Williams , a net sale of 235,021 shares made by Robert M Davis , and a net sale of 38,291 shares made by Caroline Litchfield .

In summary, during the past 3 months, insiders sold 4,262 shares of Merck & Co Inc (MRK) in total and bought 0 shares, with a net sale of 4,262 shares. During the past 18 months, 330,547 shares of Merck & Co Inc (MRK) were sold and 17,833 shares were bought by its insiders, resulting in a net sale of 312,714 shares.

Merck & Co Inc (MRK)'s detailed insider trading history can be found in Insider Trading Tracker table.

Merck & Co Inc Insider Transactions

No Available Data

Johannes Jacobus Oosthuizen Mailing Address

Above is the net worth, insider trading, and ownership report for Johannes Jacobus Oosthuizen. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Johannes Jacobus Oosthuizen's mailing address is: Kenilworth Nj 07033.

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