KMX CarMax, Inc.
CarMax, Inc. (KMX) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
Where they traded
Last open-market purchase: June 25, 2026 , by Chawla Sona .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Chawla Sona | Director | Buy | 2,000 | $53.39 | $106.8K | 21,702 | |
| Shinder Marcella | Director | Buy | 574 | $52.01 | $29.9K | 24,993 | |
| ONeil Mark F 2 fills | Director | Buy | 9,600 | $52.36 | $502.7K | 29,490 | |
| Barr Keith | President and CEO | Buy | 9,400 | $53.01 | $498.2K | 33,375 | |
| Bensen Peter J | Director | Buy | 2,500 | $52.20 | $130.5K | 24,796 |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.