Mark F ONeil insider trades

Open-market stock purchases and sales by Mark F ONeil, Director at CarMax Inc, from SEC Form 4 filings since Dec 31, 2009.

Track record: 50% of 2 scored buys are up 5% or more since purchase, averaging -9%.

Recent trades

DateStockTradeValue
Jun 26, 2026KMX CarMax IncBought (not open market)—
Jun 24, 2026KMX CarMax IncBought$251K
Oct 2, 2025KMX CarMax IncBought$500K

Companies traded

  • KMX CarMax Inc: 3 buys, last Jun 26, 2026
  • TRAK Dealertrack Technologies, Inc: 53 sales, last Jun 18, 2015

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