Mark F Oneil
Insider
First SEC filing: Oct. 17, 2019 · Latest: April 14, 2026
Insider at
Insider transactions
2 buys (P)
0 sells (S)
Net: $502,656
Avg return of open purchases vs now: 4.9%
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 26, 2026 | KMX | A | 3,696 | · | · | 33,186 Direct | +12.53% | Acquired | (price as of 2026-10-02) |
| June 24, 2026 | KMX | P | 4,800 | $52.36 | $251,328 | 4,800 Indirect | · | Acquired | 4.9% (price as of 2026-10-02) |
| June 24, 2026 | KMX | P | 4,800 | $52.36 | $251,328 | 29,490 Direct | +19.44% | Acquired | 4.9% (price as of 2026-10-02) |
| Oct. 2, 2025 | KMX | P | 10,816 | $46.21 | $499,807 | 24,690 Direct | +77.96% | Acquired | 18.8% (price as of 2026-10-02) |
| June 30, 2025 | KMX | A | 2,753 | · | · | 13,874 Direct | +24.75% | Acquired | (price as of 2026-10-02) |
| July 1, 2024 | KMX | A | 2,598 | · | · | 11,121 Direct | +30.48% | Acquired | (price as of 2026-10-02) |
| June 30, 2023 | KMX | A | 2,210 | · | · | 8,523 Direct | +35.01% | Acquired | (price as of 2026-10-02) |
| July 1, 2022 | KMX | A | 1,996 | · | · | 6,313 Direct | +46.24% | Acquired | (price as of 2026-10-02) |
| July 2, 2021 | KMX | A | 1,308 | · | · | 4,317 Direct | +43.47% | Acquired | (price as of 2026-10-02) |
| Sept. 30, 2020 | KMX | P | 2,700 | $93.40 | $252,180 | 5,709 Direct | +89.73% | Acquired | -41.2% (price as of 2026-10-02) |
| June 26, 2020 | KMX | A | 2,021 | · | · | 3,009 Direct | +204.55% | Acquired | (price as of 2026-10-02) |
| Dec. 26, 2019 | KMX | A | 988 | · | · | 7,503 Direct | +15.17% | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.