Mark F O Neil Carmax Inc (KMX) insider trading activity

KMX Quotes by TradingView

Mark F O Neil is Director of CARMAX INC. Currently has a direct ownership of 24,690 shares of KMX, which is worth approximately $1.1 Million. The most recent transaction as insider was on Oct 02, 2025, when has been sold 10,816 shares (Common Stock) at a price of $46.21 per share, resulting in proceeds of $499,807. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 24.7K
77.96% 3M change
122.01% 12M change
Total Value Held $1.1 Million

Mark F ONeil Transaction History

Date Transaction Value Shares Traded Shares Held Form
Oct 02 2025
BUY
Open market or private purchase
$499,807 $46.21 p/Share
10,816 Added 30.46%
24,690 Common Stock
Jun 30 2025
BUY
Grant, award, or other acquisition
-
2,753 Added 16.56%
13,874 Common Stock
Jul 01 2024
BUY
Grant, award, or other acquisition
-
2,598 Added 18.94%
11,121 Common Stock
Jun 30 2023
BUY
Grant, award, or other acquisition
-
2,210 Added 20.59%
8,523 Common Stock
Jul 01 2022
BUY
Grant, award, or other acquisition
-
1,996 Added 24.02%
6,313 Common Stock
Jul 02 2021
BUY
Grant, award, or other acquisition
-
1,308 Added 23.25%
4,317 Common Stock
Sep 30 2020
BUY
Open market or private purchase
$252,180 $93.4 p/Share
2,700 Added 32.11%
5,709 Common Stock
MFO

Mark F O Neil

Director
Richmond, VA

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