Mark F. ONeil
CIK: 0001342016
Transaction Breakdown
Open Market Buys (P)4 (66.7%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)2 (33.3%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
KMX
CARMAX INC
Director
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Jun 26, 2026KMX
CARMAX INC
Award(A)Direct3.7K shares- - Jun 24, 2026KMX
CARMAX INC
Purchase(P)Direct4.8K shares at avg. $52.36$251K - Jun 24, 2026KMX
CARMAX INC
Purchase(P)Indirect4.8K shares at avg. $52.36$251K - Oct 2, 2025KMX
CARMAX INC
Purchase(P)Direct10.8K shares at avg. $46.21$500K - Jun 30, 2025KMX
CARMAX INC
Award(A)Direct2.8K shares- - Oct 16, 2020KMX
CARMAX INC
Purchase(P)Indirect191 shares at avg. $93.17$18K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 26, 2026 | KMX CARMAX INC | Award(A) | 3,696 | - | $0 | Direct |
| Jun 24, 2026 | KMX CARMAX INC | Purchase(P) | 4,800 | $52.36 | $251,328 | Direct |
| Jun 24, 2026 | KMX CARMAX INC | Purchase(P) | 4,800 | $52.36 | $251,328 | Indirect |
| Oct 2, 2025 | KMX CARMAX INC | Purchase(P) | 10,816 | $46.21 | $499,807 | Direct |
| Jun 30, 2025 | KMX CARMAX INC | Award(A) | 2,753 | - | - | Direct |
| Oct 16, 2020 | KMX CARMAX INC | Purchase(P) | 191 | $93.17 | $17,795 | Indirect |
1-6 of 6 transactions
About ONeil Mark F
ONeil Mark F (SEC CIK 0001342016) files insider reports with the SEC as Director of CARMAX INC (KMX).
Signal8 holds 5 ownership filings by ONeil Mark F (4 Form 4, 1 Form 5), filed between Jul 2, 2025 and Jun 29, 2026. Those filings report 6 transactions, from Oct 16, 2020 to Jun 26, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on ONeil Mark F's filings is in RICHMOND, VA.
Recent filings by ONeil Mark F
- Jun 26, 2026: Grant or award of KMX shares (Form 4, code A).
- Jun 24, 2026: Open-market purchases of KMX shares (2 lines, Form 4, code P).
- Oct 2, 2025: Open-market purchase of KMX shares (Form 4, code P).
- Jun 30, 2025: Grant or award of KMX shares (Form 4, code A).
- Oct 16, 2020: Open-market purchase of KMX shares (Form 5, code P).
Other insiders filing for CARMAX INC (KMX)
- Dirgins Elizabeth, EVP, Chief Digital & Cust Off
- KESSLER JAMES FRANCIS, Director
- OShaughnessy Robert, Director
- COBB WILLIAM C, Director
- Chawla Sona, Director
- FOLLIARD THOMAS J, Director