Insider Trading History of Oneil Mark F

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Oneil Mark F since 2015. This trader's CIK number is 1342016. At the time of last reporting, Oneil Mark F was the Director of Carmax Inc. (stock ticker symbol KMX). Also see all insider trading activities at Carmax Inc.

Note that in the past ONeil Mark F also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Dealertrack Holdings, Inc. (TRAK) by Oneil Mark F

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2015 TRAK 0 $0 50,000 $3,147,300 151,439 $5,142,400

Yearly summary of insider trading at Carmax Inc (KMX) by Oneil Mark F

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2025 KMX 10,816 $499,807 0 $0 0 $0
2020 KMX 2,700 $252,180 0 $0 0 $0


Insider trading activities at 2 companies by Oneil Mark F:

1. Dealertrack Holdings, Inc. (TRAK)

2. Carmax Inc (KMX)

Table 1. Insider trading of Dealertrack Holdings, Inc. (TRAK) by Oneil Mark F

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2015-06-18 TRAK Sale 50,000 62.95 3,147,300
2015-05-26 TRAK Option Ex 105,000 41.80 4,389,000
2015-04-17 TRAK Option Ex 20,000 37.67 753,400
2015-01-31 TRAK Option Ex 26,439 .00 0

Table 2. Insider trading of Carmax Inc (KMX) by Oneil Mark F

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2025-10-02 KMX Buy 10,816 46.21 499,807
2020-09-30 KMX Buy 2,700 93.40 252,180

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Oneil Mark F (Director of Carmax Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.



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