Insider Ledger

Carmax Inc. (KMX) insider buying and SEC filings

Carmax Inc. · CIK 1170010

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
NYSE
Industry (SIC)
Retail-Auto Dealers & Gasoline Stations
State of incorporation
VA
Fiscal year end
Feb 28

Insider activity in the last 12 months

Bought
$1.3M
Insiders who bought
5
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Jun 25, 2026Purchase (code P)Sona Chawla (Director) bought 2,000 shares at $53.39 ($107K), reported as a purchase (code P). Holdings up 10% to 21,702 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 26, 2026
Jun 25, 2026Purchase (code P)Marcella Shinder (Director) bought 574 shares at $52.01 ($30K), reported as a purchase (code P). Holdings up 2% to 24,993 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 26, 2026
Jun 24, 2026Purchase (code P)Mark F ONeil (Director) bought 9,600 shares directly and indirectly (by trust) at $52.36 ($503K), reported as a purchase (code P). Direct holdings up 19% to 29,490 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 26, 2026
Jun 22, 2026Purchase (code P)Peter J Bensen (Director) bought 2,500 shares at $52.20 ($131K), reported as a purchase (code P). Holdings up 11% to 24,796 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 24, 2026
Jun 22, 2026Purchase (code P)Keith Barr (CEO and Director) bought 9,400 shares at $53.01 ($498K), reported as a purchase (code P). Holdings up 39% to 33,375 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Jun 24, 2026
Oct 16, 2020Purchase (code P)Mark F ONeil (Director) bought 191 shares indirectly (by spouse) at $93.17 ($18K), reported as a purchase (code P). Holdings by spouse up 1% to 16,684 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Apr 14, 2026

25 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

5 insiders bought in 30 days

$1.3M in purchases since Jun 22, 2026 · Purchases traded Jun 22, 2026 to Jun 25, 2026 · Closed

InsiderValueTradedSource
Keith Barr (CEO)$498KJun 22, 2026SEC filing
Peter J Bensen (Director)$131KJun 22, 2026SEC filing
Mark F ONeil (Director)$503KJun 24, 2026SEC filing
Marcella Shinder (Director)$30KJun 25, 2026SEC filing
Sona Chawla (Director)$107KJun 25, 2026SEC filing

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

FiledItemsTagSource
Nov 3, 2026, 8:07 AM ET
8-K
Reg FD disclosure (Item 7.01)SEC filing

Red flags are objective triggers only: the item or form filed, never an opinion.

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