Company_Context
Consumer Cyclical
Retail-Auto Dealers & Gasoline Stations
Source: SEC SIC
MARKET_TICKER: KMX
CARMAX INCInsider Trading & SEC Form 4 Analysis
Institutional analysis of internal capital flows based on SEC Form 4 filings.
Open-Market Signal
BULLISH
SOURCE: EDGAR_SYSTEMSTATUS: VERIFIED
Signal_Window
Headline metrics use exact calendar-day windows.
6 directional transactions in 180D
Code P purchases and code S sales are measured from 2026.03.02 — 2026.08.28.
Net_Flow_180D
+$1.3M
Open-market buys minus salesLatest_Form_4
2026.06.26
Latest available filingActive_Insiders_180D
19
Reporting entities in windowTop_Buyer_180D
ONeil Mark F
$502.7KTop_Seller_180D
No 180D seller
No open-market sales in 180DAutomated_Intelligence_Report :: KMX
Analysis of eligible SEC Form 4 activity for KMX indicates a bullish 180-day signal. The selected window contains transactions from 19 distinct reporting insiders, with aggregate nominal activity of $4.19M.
Open-market purchases minus open-market sales produce a positive net flow of $1.27M. Compensation-related awards and option exercises represent more nominal activity than directional open-market trades, so the signal should be interpreted cautiously.
The largest open-market purchase in the selected window was attributed to ONeil Mark F (Director). Form 4 activity provides useful ownership context, but it should not be treated as a standalone prediction of future price performance.
Enriched_Research_Context
More context behind the filing
These indicators use normalized SEC roles, issuer metadata, cluster detection and post-filing market prices already calculated by the data pipeline.
Cluster_Activity
4
Clustered open-market purchase records in the recent filing sample.
Strongest 30D cluster: 5 filings
Post_Filing_Performance
Live Market Chart :: KMX
Analyze KMX with advanced technical indicators.
View on TradingView (Get $15 Off)Recent Insider Flow :: KMX
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Recent_Filing_History
Inspect the underlying SEC transactions
This table shows recent filing history and is not restricted by the selected 180D headline signal window.
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Automated_Queries :: Frequently Asked Questions
>Who is currently buying KMX stock?
During the last 180 calendar days, ONeil Mark F (Director) recorded the largest aggregate open-market purchase volume. Total insider buying in the window is $1.27M.
>Are KMX insiders selling their shares?
No eligible open-market sales were reported for KMX during the last 180 calendar days.
>What is the overall insider sentiment for KMX?
The 180-day open-market signal is BULLISH, with net flow of $1.27M across 19 reporting insiders in the selected window.
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