Updated Jul 16, 2026 · Last SEC filing 2026-06-29
CARMAX INC (KMX) has filed 24 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-29. 4 Form 8-K material event filings were reported by KMX in the last 90 days. InsiderAlpha tracks every KMX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Retail-Auto Dealers & Gasoline Stations (SIC 5500) |
|---|---|
| SEC CIK | 0001170010 |
| Form 4 filings (90d) | 24 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Latest Form 4 filing | 2026-06-29 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| OShaughnessy Robert | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| COBB WILLIAM C | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| Chawla Sona | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| ONeil Mark F | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| Shinder Marcella | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| FOLLIARD THOMAS J | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| KESSLER JAMES FRANCIS | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| McCreight David W. | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| Satriano Pietro | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| Bensen Peter J | Director | A — Grant or award | 3.7K | $0.00 | — | SEC | |
| Chawla Sona | Director | P — Open-market purchase | 2.0K | $53.39 | $107K | SEC | |
| Shinder Marcella | Director | P — Open-market purchase | 574 | $52.01 | $30K | SEC | |
| ONeil Mark F | Director | P — Open-market purchase | 4.8K | $52.36 | $251K | SEC | |
| ONeil Mark F | Director | P — Open-market purchase | 4.8K | $52.36 | $251K | SEC | |
| FOLLIARD THOMAS J | Director | M — Option exercise | 14.9K | $51.91 | $771K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CARMAX INC (KMX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Livesay Jill A | 5 | $12K |
| Stuckey John M III | 4 | $14K |
| FOLLIARD THOMAS J | 4 | $959K |
| ONeil Mark F | 3 | $503K |
| Bensen Peter J | 2 | $130K |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in KMX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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