ONeil Mark F insider trades
ONeil Mark F has filed 8 Form 4s with the SEC that we hold, all for Carmax INC (KMX), as Director. Across all of them we count 3 purchases worth $768.9K and 0 sales worth $0 reported on Form 4. In the last 12 months: 1 purchase ($251.3K) and 0 sales ($0). The largest single trade was a purchase of 10,816 shares of Carmax INC worth $499.8K, dated 2025-10-02. The first filing on our record is dated 2021-07-07 and the latest 2026-06-29.
Carmax INC (KMX)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2020-10-16 | P, purchase reported on Form 4 | 191 | $17.8K | 2026-04-14 |
| 2025-10-02 | P, purchase reported on Form 4 | 10,816 | $499.8K | 2025-10-06 |
| 2026-06-24 | P, purchase reported on Form 4 | 4,800 | $251.3K | 2026-06-26 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1342016) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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