MARKET_TICKER: KMX

CARMAX INCInsider Trading & SEC Form 4 Analysis

Institutional analysis of internal capital flows based on SEC Form 4 filings.

Executive Sentiment
BEARISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Net_Flow

-$36.5M

Buys minus sales
Last_Filing

2026.06.26

Latest Form 4
Active_Insiders

24

Reporting entities
Top_Buyer

ONeil Mark F

$499.8K
Top_Seller

Nash William D

$9.6M

Automated_Intelligence_Report :: KMX

Algorithmic analysis of recent insider trading activity for KMX reveals a bearish posture among the C-suite and board members. Based on the latest SEC Form 4 filings, we have tracked capital events executed by 24 distinct corporate insiders. The aggregate nominal exposure during this reporting cycle reached $74.05M.

Market dynamics show a negative net capital flow of $36.52M when isolating open-market purchases versus open-market sales. The trading volume is heavily weighted towards open-market executions, providing a clearer signal of insider conviction regarding current valuation levels compared to option-based equity grants.

From a microstructural perspective, the landscape is fragmented. ONeil Mark F led the buying pressure, while Nash William D registered the largest single offload of shares. Continuous monitoring of these Tier-1 actors is essential, as their liquidity decisions often precede material corporate events or reflect an informed, asymmetric perspective on the future performance of KMX.

Volume_30D

$74.05M

USD NOMINAL VALUE
Active_Insiders

24

UNIQUE C-SUITE ENTITIES
Last_Entry

2026.06.26

ISO_8601 FORMAT
Loading chart...
Entity / TimelineMethodologyPositionNet Value
KESSLER JAMES FRANCIS2026.06.26
ACQUISITION3,696$0
OShaughnessy Robert2026.06.26
ACQUISITION3,696$0
COBB WILLIAM C2026.06.26
ACQUISITION3,696$0
ONeil Mark F2026.06.26
ACQUISITION3,696$0
Chawla Sona2026.06.26
ACQUISITION3,696$0
FOLLIARD THOMAS J2026.06.26
ACQUISITION3,696$0
Bensen Peter J2026.06.26
ACQUISITION3,696$0
Shinder Marcella2026.06.26
ACQUISITION3,696$0
Satriano Pietro2026.06.26
ACQUISITION3,696$0
McCreight David W.2026.06.26
ACQUISITION3,696$0
Chawla Sona2026.06.25
ACQUISITION2,000$106,780
Shinder Marcella2026.06.25
ACQUISITION574$29,853.74
ONeil Mark F2026.06.24
ACQUISITION4,800$251,328
ONeil Mark F2026.06.24
ACQUISITION4,800$251,328
FOLLIARD THOMAS J2026.06.23
ACQUISITION14,855$771,123.05
FOLLIARD THOMAS J2026.06.23
ACQUISITION3,618$187,810.38
Bensen Peter J2026.06.22
ACQUISITION2,500$130,500
Barr Keith2026.06.22
ACQUISITION9,400$498,247
Mayor-Mora Enrique N2026.05.01
ACQUISITION1,015$39,107.95
Daniels Jon G2026.05.01
ACQUISITION822$31,671.66
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Automated_Queries :: Frequently Asked Questions

>Who is currently buying KMX stock?

Based on the latest SEC Form 4 filings, ONeil Mark F (Director) has been actively acquiring shares. The total recent insider buying volume stands at $1.94M.

>Are KMX insiders selling their shares?

Yes, we have tracked $38.47M in recent insider liquidations. The most notable recent seller is Nash William D, who executed the largest single offload.

>What is the overall insider sentiment for KMX?

The short-term structural capital flow indicates a BEARISH sentiment, with a net flow of $36.52M generated by 24 active C-Suite entities.

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