Mark F ONeil

KMX

Mark F ONeil serves as Director at CarMax, Inc. (KMX). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$499.8K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$499.8K

Companies Traded

KMX

Active Period

Oct 2025

1 total trades

Most Recent

Buy KMX

Oct 6, 2025 · $499.8K

Mark F ONeil's Insider Trading at CarMax, Inc. (KMX)

Buys

1 · $499.8K

Sells

0 · $0.00

Total Shares Bought

10,816

Total Shares Sold

KMX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Oct 6, 2025	Buy	10,816	$46.21	$499.8K	0

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