Are insiders buying KMX stock?

Yes — 5 distinct insiders have bought KMX (CARMAX INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jun 26, 2026.

How much KMX stock have insiders bought?

Insiders have bought a combined $1.9M of KMX across 8 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in KMX?

A cluster buy is two or more distinct CARMAX INC insiders — officers, directors, or 10% owners — each buying KMX on the open market within a rolling window. KMX has 2 detected cluster buys to date.

Where does this KMX insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

KMX insider buying

2 cluster buys

CARMAX INC · Consumer Discretionary

When two or more insiders at CARMAX INC buy KMX on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in KMX plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$1.9M

Market cap

$7.1B

Detected clusters

Jun 22 – Jun 25, 2026
Detected Jun 25, 2026
High conviction4 insiders
Total bought
$1.2M
Market cap
$7.1B
Oct 2 – Oct 2, 2025
Detected Oct 2, 2025
2 insiders
Total bought
$590.9K
Market cap
$7.1B

All notable open-market buys in KMX

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Jun 25, 2026	Chawla Sonacluster Director	2,000	$53.39	$106.8K	SEC ↗
Jun 24, 2026	ONeil Mark Fcluster Director	4,800	$52.36	$251.3K	SEC ↗
Jun 24, 2026	ONeil Mark Fcluster Director	4,800	$52.36	$251.3K	SEC ↗
Jun 22, 2026	Barr Keithcluster Director, President and CEO	9,400	$53.01	$498.2K	SEC ↗
Jun 22, 2026	Bensen Peter Jcluster Director	2,500	$52.20	$130.5K	SEC ↗
Oct 2, 2025	ONeil Mark Fcluster Director	10,816	$46.21	$499.8K	SEC ↗
Oct 2, 2025	STEENROD MITCHELL Dcluster Director	2,000	$45.57	$91.1K	SEC ↗
Apr 24, 2025	STEENROD MITCHELL D Director	1,300	$65.49	$85.1K	SEC ↗

More Consumer Discretionary stocks with insider cluster buys

All insider buying in Consumer Discretionary →

KMX insider buying — FAQ

Are insiders buying KMX stock?: Yes — 5 distinct insiders have bought KMX (CARMAX INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jun 26, 2026.
How much KMX stock have insiders bought?: Insiders have bought a combined $1.9M of KMX across 8 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in KMX?: A cluster buy is two or more distinct CARMAX INC insiders — officers, directors, or 10% owners — each buying KMX on the open market within a rolling window. KMX has 2 detected cluster buys to date.
Where does this KMX insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in KMX

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy KMX within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding KMX.