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

2 trades

$751.1K

Total Sells

0 trades

$0.00

Net Position

Net Buyer

$751.1K

Companies Traded

KMX

Active Period

Oct 2025 – Jun 2026

2 total trades

Most Recent

Buy KMX

Jun 26, 2026 · $251.3K

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

Buys

2 · $751.1K

Sells

0 · $0.00

Total Shares Bought

15,616

Total Shares Sold

KMX Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Jun 26, 2026	Buy	4,800	$52.36	$251.3K	4,800
Oct 6, 2025	Buy	10,816	$46.21	$499.8K	0

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