Mark F. ONeil - 26 Jun 2026 Form 4 Insider Report for CARMAX INC (KMX)

Reporting relationship: Director
Issuer ticker: KMX
Reported as of: 26 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Jun 2026, 17:08:02 UTC
Prior SEC filing: 26 Jun 2026
Source filing: View source filing
Reporting owner signature: Christine Carter, attorney-in-fact

Key filing fact

Mark F. ONeil filed Form 4 for CARMAX INC (KMX) on 29 Jun 2026.

Key facts

This page summarizes Mark F. ONeil's Form 4 filing for CARMAX INC (KMX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 29 Jun 2026, 17:08.

Change

Previous filing in this sequence was filed on 26 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001342016 Primary reporting owner

ONeil Mark F

Relationship: Director
Address: 12800 TUCKAHOE CREEK PARKWAY, RICHMOND
Signature: Christine Carter, attorney-in-fact
Signature date: 29 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KMX transaction

Common Stock

Award

Transaction value
Shares: +3,696
Change %: +13%
Price: $0.000000^*
Shares after: 33,186
Date: 26 Jun 2026
Ownership: Direct

KMX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 4,800
Date: 26 Jun 2026
Ownership: The Mark F. O'Neil Family Irrevocable GST Trust

KMX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 16,684
Date: 26 Jun 2026
Ownership: By Spouse
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Shares are held by the Reporting Person's spouse in the revocable Monique Cannella O'Neil Trust.

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