Mark F Oneil - Net Worth and Insider Trading

Mark F Oneil Net Worth

The estimated net worth of Mark F Oneil is at least $450,440 dollars as of 2023-09-22. Mark F Oneil is the Director of CarMax Inc and owns about 5,709 shares of CarMax Inc (KMX) stock worth over $450,440. Details can be seen in Mark F Oneil's Latest Holdings Summary section.

Transaction Summary of Mark F Oneil


Mark F Oneil Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mark F Oneil owns 1 companies in total, including CarMax Inc (KMX) .

Click here to see the complete history of Mark F Oneil’s form 4 insider trades.

Insider Ownership Summary of Mark F Oneil

Ticker Comapny Transaction Date Type of Owner
KMX CarMax Inc 2019-10-07 director

Mark F Oneil Latest Holdings Summary

Mark F Oneil currently owns a total of 1 stock. Mark F Oneil owns 5,709 shares of CarMax Inc (KMX) as of September 30, 2020, with a value of $450,440.

Latest Holdings of Mark F Oneil

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
KMX CarMax Inc 2020-09-30 5,709 78.90 450,440

Holding Weightings of Mark F Oneil

Mark F Oneil Form 4 Trading Tracker

According to the SEC Form 4 filings, Mark F Oneil has made a total of 1 transactions in CarMax Inc (KMX) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in CarMax Inc is the acquisition of 2,700 shares on September 30, 2020, which cost Mark F Oneil around $252,180.

Insider Trading History of Mark F Oneil

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
  • 1
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.

Mark F Oneil Trading Performance

GuruFocus tracks the stock performance after each of Mark F Oneil's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark F Oneil is 2.95%. GuruFocus also compares Mark F Oneil's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark F Oneil within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how Mark F Oneil's insider trading performs compared to the benchmark.

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

Performance of Mark F Oneil

Average Relative Return


Average relative return per transaction

Outperforming Transactions


1 out of 1 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Relative Return(%) -5.95 2.95 47.79 39.22 -15.25 -3.99
Relative Return to S&P 500(%) -3.18 -8.02 30.08 11.13 -18.51 -13.47

Mark F Oneil Ownership Network

Ownership Network List of Mark F Oneil

No Data

Ownership Network Relation of Mark F Oneil

Mark F Oneil Owned Company Details

What does CarMax Inc do?

CarMax sells, finances, and services used and new cars through a chain of about 240 used retail stores. It was formed in 1993 as a unit of Circuit City and spun off into an independent company in late 2002. Used-vehicle sales typically account for about 83% of revenue (78% in fiscal 2023 due to the chip shortage) and wholesale about 13% (20% in fiscal 2023), with the remaining portion composed of extended service plans and repair. In fiscal 2023, the company retailed and wholesaled 807,823, and 585,071 used vehicles, respectively. CarMax is the largest used-vehicle retailer in the U.S. but still estimates that it has only about 4% U.S. market share of vehicles 0-10 years old in 2022. It seeks over 5% share by the end of calendar 2025. CarMax is based in Richmond, Virginia.

Who are the key executives at CarMax Inc?

Mark F Oneil is the director of CarMax Inc. Other key executives at CarMax Inc include SVP & CFO Enrique N Mayor-mora , SVP Charles Joseph Wilson , and SVP Darren C Newberry .

CarMax Inc (KMX) Insider Trades Summary

Over the past 18 months, Mark F Oneil made no insider transaction in CarMax Inc (KMX). Other recent insider transactions involving CarMax Inc (KMX) include a net sale of 51,296 shares made by Jon G Daniels , a net sale of 162,426 shares made by William D Nash , and a net sale of 31,238 shares made by Mohammad Shamim .

In summary, during the past 3 months, insiders sold 342,382 shares of CarMax Inc (KMX) in total and bought 0 shares, with a net sale of 342,382 shares. During the past 18 months, 361,393 shares of CarMax Inc (KMX) were sold and 8,220 shares were bought by its insiders, resulting in a net sale of 353,173 shares.

CarMax Inc (KMX)'s detailed insider trading history can be found in Insider Trading Tracker table.


CarMax Inc Insider Transactions

No Available Data

Mark F Oneil Mailing Address

Above is the net worth, insider trading, and ownership report for Mark F Oneil. You might contact Mark F Oneil via mailing address: C/o Carmax, Inc., 12800 Tuckahoe Creek Parkway, Richmond Va 23238.

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