Insider txns (12m)
54
Stock / equity
KMX CARMAX INC
- Company
- CARMAX INC
- Security
- Equity
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on record
- 20
- Members of Congress
- 1
- Latest trade on record
- August 19, 2026
KMX (CARMAX INC) has 54 disclosed insider transactions from 19 insiders in the last 12 months (6 open-market buys, 10 sales, about $4.2M at reported prices) and 1 congressional trade from 1 member of Congress. The most recent disclosure was filed September 10, 2026.
Open-market buys / sales
6 / 10
Congress trades (12m)
1
Distinct filers (12m)
20
Share price
Price and chart by TradingView for CARMAX INC. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
KMX in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in KMX over the last 12 months; the most active is ONeil Mark F with $503K.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
▲ Bought▼ SoldAverage reported price that day
Insiders reported 8 open-market trades in KMX since Oct 2, 2025, at prices from $45.57 to $53.39; the most recent was a purchase at $52.01 on Jun 25, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
ONeil Mark FChawla Sona
ONeil Mark F reported 33,186 shares held after the latest filing, against 24,690 at the first on record.
Insiders trading KMX
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns. Showing 15 of 20.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| Wilson Charles Joseph | EVP and COO | 6 | 0 | 2 | — | $41K | May 1, 2026 |
| FOLLIARD THOMAS J | Director | 5 | 0 | 1 | — | $188K | June 26, 2026 |
| McCreight David W. | Director | 5 | 0 | 1 | — | $476K | June 26, 2026 |
| Livesay Jill A | VP, Controller & PAO | 5 | 0 | 1 | — | $12K | May 1, 2026 |
| ONeil Mark F | Director | 4 | 3 | 0 | $1.0M | — | June 26, 2026 |
| Barr Keith | President and CEO | 4 | 1 | 0 | $498K | — | June 22, 2026 |
| Stuckey John M III | SVP, Gen Counsel & Secretary | 4 | 0 | 1 | — | $14K | May 1, 2026 |
| Tuite Tyler | SVP & Chief Product Officer | 4 | 0 | 0 | — | — | March 22, 2026 |
| Bensen Peter J | Director | 2 | 1 | 0 | $131K | — | June 26, 2026 |
| Chawla Sona | Director | 2 | 1 | 0 | $107K | — | June 26, 2026 |
| Shinder Marcella | Director | 2 | 1 | 0 | $30K | — | June 26, 2026 |
| Cafritz Diane L | EVP, Chief Innov & People Off | 2 | 0 | 1 | — | $39K | May 1, 2026 |
| Daniels Jon G | EVP, CAF | 2 | 0 | 1 | — | $32K | May 1, 2026 |
| Mayor-Mora Enrique N | EVP & CFO | 2 | 0 | 1 | — | $39K | May 1, 2026 |
| Shamim Mohammad | EVP and CITO | 2 | 0 | 1 | — | $39K | May 1, 2026 |
What kind of transactions these are 5 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| A | Grant or award | 23 | 420,276 | — |
| M | Option exercise or conversion | 14 | 99,387 | $2.0M |
| F | Shares withheld for tax | 10 | 20,648 | $880K |
| P | Open-market purchase | 8 | 36,890 | $1.9M |
| W | Inheritance | 1 | 527 | — |
What each code means: Form 4 transaction codes.
Members of Congress trading KMX
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 1 | 1 | 0 | $1,001–$15K | August 19, 2026 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| KESSLER JAMES FRANCIS | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| OShaughnessy Robert | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| COBB WILLIAM C | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| ONeil Mark F | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| Chawla Sona | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| FOLLIARD THOMAS J | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| Bensen Peter J | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| Shinder Marcella | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| Satriano Pietro | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| McCreight David W. | Other A | June 26, 2026 | June 29, 2026 | 3d | 3,696 | — | — | Form 4 ↗ | ||
| Chawla Sona | Buy P | June 25, 2026 | June 26, 2026 | 1d | 2,000 | $53 | $107K | Form 4 ↗ | ||
| Shinder Marcella | Buy P | June 25, 2026 | June 26, 2026 | 1d | 574 | $52 | $30K | Form 4 ↗ | ||
| ONeil Mark F | Buy P | June 24, 2026 | June 26, 2026 | 2d | 4,800 | $52 | $251K | indirect | Form 4 ↗ | |
| ONeil Mark F | Buy P | June 24, 2026 | June 26, 2026 | 2d | 4,800 | $52 | $251K | Form 4 ↗ | ||
| FOLLIARD THOMAS J | Option / conversion M | June 23, 2026 | June 24, 2026 | 1d | 14,855 | — | — | derivative | Form 4 ↗ | |
| FOLLIARD THOMAS J | Sell F | June 23, 2026 | June 24, 2026 | 1d | 3,618 | $52 | $188K | Form 4 ↗ | ||
| FOLLIARD THOMAS J | Option / conversion M | June 23, 2026 | June 24, 2026 | 1d | 14,855 | $52 | $771K | Form 4 ↗ | ||
| Bensen Peter J | Buy P | June 22, 2026 | June 24, 2026 | 2d | 2,500 | $52 | $131K | Form 4 ↗ | ||
| Barr Keith | Buy P | June 22, 2026 | June 24, 2026 | 2d | 9,400 | $53 | $498K | Form 4 ↗ | ||
| Mayor-Mora Enrique N | Other A | May 1, 2026 | May 5, 2026 | 4d | 22,898 | — | — | derivative | Form 4 ↗ | |
| Mayor-Mora Enrique N | Sell F | May 1, 2026 | May 5, 2026 | 4d | 1,015 | $39 | $39K | Form 4 ↗ | ||
| Daniels Jon G | Other A | May 1, 2026 | May 5, 2026 | 4d | 14,655 | — | — | derivative | Form 4 ↗ | |
| Daniels Jon G | Sell F | May 1, 2026 | May 5, 2026 | 4d | 822 | $39 | $32K | Form 4 ↗ | ||
| Cafritz Diane L | Other A | May 1, 2026 | May 5, 2026 | 4d | 22,898 | — | — | derivative | Form 4 ↗ | |
| Cafritz Diane L | Sell F | May 1, 2026 | May 5, 2026 | 4d | 1,015 | $39 | $39K | Form 4 ↗ | ||
| Stuckey John M III | Other A | May 1, 2026 | May 5, 2026 | 4d | 10,075 | — | — | derivative | Form 4 ↗ | |
| Stuckey John M III | Option / conversion M | May 1, 2026 | May 5, 2026 | 4d | 2,009 | — | — | derivative | Form 4 ↗ | |
| Stuckey John M III | Sell F | May 1, 2026 | May 5, 2026 | 4d | 357 | $39 | $14K | Form 4 ↗ | ||
| Stuckey John M III | Option / conversion M | May 1, 2026 | May 5, 2026 | 4d | 1,183 | — | — | Form 4 ↗ | ||
| Wilson Charles Joseph | Other A | May 1, 2026 | May 5, 2026 | 4d | 22,898 | — | — | derivative | Form 4 ↗ | |
| Wilson Charles Joseph | Sell F | May 1, 2026 | May 5, 2026 | 4d | 1,015 | $39 | $39K | Form 4 ↗ | ||
| Shamim Mohammad | Other A | May 1, 2026 | May 5, 2026 | 4d | 16,944 | — | — | derivative | Form 4 ↗ | |
| Shamim Mohammad | Sell F | May 1, 2026 | May 5, 2026 | 4d | 1,015 | $39 | $39K | Form 4 ↗ | ||
| Barr Keith | Other A | May 1, 2026 | May 5, 2026 | 4d | 64,114 | — | — | derivative | Form 4 ↗ | |
| Livesay Jill A | Other A | May 1, 2026 | May 5, 2026 | 4d | 8,029 | — | — | derivative | Form 4 ↗ | |
| Livesay Jill A | Other A | May 1, 2026 | May 5, 2026 | 4d | 5,667 | — | — | derivative | Form 4 ↗ | |
| Livesay Jill A | Option / conversion M | May 1, 2026 | May 5, 2026 | 4d | 1,799 | — | — | derivative | Form 4 ↗ | |
| Livesay Jill A | Sell F | May 1, 2026 | May 5, 2026 | 4d | 319 | $39 | $12K | Form 4 ↗ | ||
| Livesay Jill A | Option / conversion M | May 1, 2026 | May 5, 2026 | 4d | 1,059 | — | — | Form 4 ↗ | ||
| Tuite Tyler | Option / conversion M | March 22, 2026 | March 24, 2026 | 2d | 308 | — | — | derivative | Form 4 ↗ | |
| Tuite Tyler | Option / conversion M | March 22, 2026 | March 24, 2026 | 2d | 986 | — | — | derivative | Form 4 ↗ | |
| Tuite Tyler | Option / conversion M | March 22, 2026 | March 24, 2026 | 2d | 195 | — | — | Form 4 ↗ | ||
| Tuite Tyler | Option / conversion M | March 22, 2026 | March 24, 2026 | 2d | 611 | — | — | Form 4 ↗ | ||
| McCreight David W. | Option / conversion M | March 16, 2026 | March 18, 2026 | 2d | 30,558 | — | — | derivative | Form 4 ↗ | |
| McCreight David W. | Sell F | March 16, 2026 | March 18, 2026 | 2d | 11,423 | $42 | $476K | Form 4 ↗ | ||
| McCreight David W. | Option / conversion M | March 16, 2026 | March 18, 2026 | 2d | 30,558 | $42 | $1.3M | Form 4 ↗ | ||
| Barr Keith | Other A | March 16, 2026 | March 18, 2026 | 2d | 54,025 | — | — | derivative | Form 4 ↗ | |
| Barr Keith | Other A | March 16, 2026 | March 18, 2026 | 2d | 23,975 | — | — | Form 4 ↗ | ||
| Wilson Charles Joseph | Option / conversion M | December 28, 2025 | December 30, 2025 | 2d | 251 | — | — | derivative | Form 4 ↗ | |
| Wilson Charles Joseph | Other W | October 16, 2025 | December 30, 2025 | 75d | 527 | — | — | late | Form 4 ↗ | |
| Wilson Charles Joseph | Sell F | December 28, 2025 | December 30, 2025 | 2d | 49 | $39 | $1,924 | Form 4 ↗ | ||
| Wilson Charles Joseph | Option / conversion M | December 28, 2025 | December 30, 2025 | 2d | 160 | — | — | Form 4 ↗ | ||
| McCreight David W. | Other A | December 26, 2025 | December 30, 2025 | 4d | 91,673 | — | — | derivative | Form 4 ↗ | |
| FOLLIARD THOMAS J | Other A | December 26, 2025 | December 30, 2025 | 4d | 25,465 | — | — | derivative | Form 4 ↗ | |
| ONeil Mark F | Buy P | October 2, 2025 | October 6, 2025 | 4d | 10,816 | $46 | $500K | Form 4 ↗ | ||
| STEENROD MITCHELL D | Buy P | October 2, 2025 | October 3, 2025 | 1d | 2,000 | $46 | $91K | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Buy | August 19, 2026 | September 10, 2026 | 22d | — | — | $1,001–$15K | House PTR ↗ |
Related stocks
Tickers traded by the same people who traded KMX, by number of filers in common. It shows overlap in public filings and nothing else.
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 1 | 1 | September 10, 2026 | September 10, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 32 | 56 | October 3, 2025 | June 29, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.