InsiderFlow

KMX

CarMax, Inc.$38.49+0.32 (+0.84%)
Prev Close$38.17·MCap$5.61B·P/E22.53·Vol1.48M·Yield

Buys (12M)

2

$590.9K

Sells (12M)

12

$1.13M

Net Activity

Net Seller

$535.5K

Active Insiders

12

last 12 mo

Over the past 12 months, insider activity at CarMax, Inc. (KMX) has been mixed between buying and selling, with 2 insider purchases totaling $590.9K and 12 insider sales totaling $1.13M. The most recent insider transaction was by Wilson Charles Joseph (EVP and COO), who sold $1.9K worth of shares on Dec 30, 2025. CarMax, Inc. operates in the Consumer Cyclical sector, within the Auto - Dealerships industry, with a market cap of $5.61B.

KMX Insider Trading Activity

DateInsiderTypeValue
Dec 30, 2025 Wilson Charles JosephSell$1.9K
Oct 6, 2025 ONeil Mark FBuy$499.8K
Oct 3, 2025 STEENROD MITCHELL DBuy$91.1K
Jul 3, 2025 Daniels Jon GSell$108.8K
May 5, 2025 Cafritz Diane LSell$65.2K
May 5, 2025 Daniels Jon GSell$43.7K
May 5, 2025 Livesay Jill ASell$22.1K
May 5, 2025 Lyski JamesSell$96.3K
May 5, 2025 Mayor-Mora Enrique NSell$80.1K
May 5, 2025 Nash William DSell$553.1K
May 5, 2025 Shamim MohammadSell$68.2K
May 5, 2025 Stuckey John M IIISell$24.7K
May 5, 2025 Tuite TylerSell$18.1K
May 5, 2025 Wilson Charles JosephSell$44.2K
Apr 25, 2025 STEENROD MITCHELL DBuy$85.1K
Jul 30, 2024 Livesay Jill ASell$1.00M
Jul 29, 2024 Shamim MohammadSell$2.06M
Jul 24, 2024 Wilson Charles JosephSell$801.9K
Jul 17, 2024 Mayor-Mora Enrique NSell$777.7K
Jul 16, 2024 Stuckey John M IIISell$1.61M
Jul 12, 2024 Nash William DSell$9.55M
Jun 27, 2024 Daniels Jon GSell$89.2K
Apr 25, 2024 Cafritz Diane LSell$1.07M
Jan 30, 2024 Livesay Jill ASell$1.01M
Jan 29, 2024 Cafritz Diane LSell$1.54M
Jan 24, 2024 Cafritz Diane LSell$192.6K
Dec 28, 2023 Daniels Jon GSell$775.6K
Dec 28, 2023 Nash William DSell$7.72M
Jul 24, 2023 Daniels Jon GSell$663.5K
Jul 13, 2023 Lyski JamesSell$5.68M
Jul 13, 2023 Newberry Darren CSell$812.4K
Jul 12, 2023 Daniels Jon GSell$1.33M
Jul 5, 2023 Nash William DSell$14.09M
Jun 30, 2023 Cafritz Diane LSell$143.0K
Jun 30, 2023 Daniels Jon GSell$2.29M
Jun 30, 2023 Livesay Jill ASell$1.18M
Jun 30, 2023 Shamim MohammadSell$2.33M
Jan 3, 2023 Nash William DBuy$501.3K
Jul 22, 2022 Cafritz Diane LSell$1.47M
Jul 19, 2022 Shamim MohammadSell$324.6K
Jul 5, 2022 Cafritz Diane LSell$1.65M
Jan 3, 2022 Wilson Charles JosephSell$2.05M
Aug 5, 2021 Lyski JamesSell$8.81M
Jul 23, 2021 Shamim MohammadSell$3.04M
Jul 20, 2021 BLAYLOCK RONALD ESell$1.65M
Jul 16, 2021 Shamim MohammadSell$3.42M
Jul 13, 2021 Hill Edwin JSell$4.04M
Jul 7, 2021 Cafritz Diane LSell$2.60M
Jul 1, 2021 Daniels Jon GSell$4.18M
Jul 1, 2021 Hill Edwin JSell$11.31M
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KMX Insider Buying Activity

The following table shows recent insider purchases of CarMax, Inc. (KMX) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Oct 6, 2025 ONeil Mark FBuy$499.8K
Oct 3, 2025 STEENROD MITCHELL DBuy$91.1K
Apr 25, 2025 STEENROD MITCHELL DBuy$85.1K
Jan 3, 2023 Nash William DBuy$501.3K

KMX Insider Selling Activity

The following table shows recent insider sales of CarMax, Inc. (KMX) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Dec 30, 2025 Wilson Charles JosephSell$1.9K
Jul 3, 2025 Daniels Jon GSell$108.8K
May 5, 2025 Cafritz Diane LSell$65.2K
May 5, 2025 Daniels Jon GSell$43.7K
May 5, 2025 Livesay Jill ASell$22.1K
May 5, 2025 Lyski JamesSell$96.3K
May 5, 2025 Mayor-Mora Enrique NSell$80.1K
May 5, 2025 Nash William DSell$553.1K
May 5, 2025 Shamim MohammadSell$68.2K
May 5, 2025 Stuckey John M IIISell$24.7K
May 5, 2025 Tuite TylerSell$18.1K
May 5, 2025 Wilson Charles JosephSell$44.2K
Jul 30, 2024 Livesay Jill ASell$1.00M
Jul 29, 2024 Shamim MohammadSell$2.06M
Jul 24, 2024 Wilson Charles JosephSell$801.9K
Jul 17, 2024 Mayor-Mora Enrique NSell$777.7K
Jul 16, 2024 Stuckey John M IIISell$1.61M
Jul 12, 2024 Nash William DSell$9.55M
Jun 27, 2024 Daniels Jon GSell$89.2K
Apr 25, 2024 Cafritz Diane LSell$1.07M
Jan 30, 2024 Livesay Jill ASell$1.01M
Jan 29, 2024 Cafritz Diane LSell$1.54M
Jan 24, 2024 Cafritz Diane LSell$192.6K
Dec 28, 2023 Daniels Jon GSell$775.6K
Dec 28, 2023 Nash William DSell$7.72M
Jul 24, 2023 Daniels Jon GSell$663.5K
Jul 13, 2023 Lyski JamesSell$5.68M
Jul 13, 2023 Newberry Darren CSell$812.4K
Jul 12, 2023 Daniels Jon GSell$1.33M
Jul 5, 2023 Nash William DSell$14.09M
Jun 30, 2023 Cafritz Diane LSell$143.0K
Jun 30, 2023 Daniels Jon GSell$2.29M
Jun 30, 2023 Livesay Jill ASell$1.18M
Jun 30, 2023 Shamim MohammadSell$2.33M
Jul 22, 2022 Cafritz Diane LSell$1.47M
Jul 19, 2022 Shamim MohammadSell$324.6K
Jul 5, 2022 Cafritz Diane LSell$1.65M
Jan 3, 2022 Wilson Charles JosephSell$2.05M
Aug 5, 2021 Lyski JamesSell$8.81M
Jul 23, 2021 Shamim MohammadSell$3.04M
Jul 20, 2021 BLAYLOCK RONALD ESell$1.65M
Jul 16, 2021 Shamim MohammadSell$3.42M
Jul 13, 2021 Hill Edwin JSell$4.04M
Jul 7, 2021 Cafritz Diane LSell$2.60M
Jul 1, 2021 Daniels Jon GSell$4.18M
Jul 1, 2021 Hill Edwin JSell$11.31M

KMX Insiders

Wilson Charles Joseph

SVP

Sold $5.57M
5 tradesLast: Dec 30, 2025
ONeil Mark F

Director

Bought $499.8K
1 tradesLast: Oct 6, 2025
STEENROD MITCHELL D

Director

Bought $176.3K
2 tradesLast: Oct 3, 2025
Daniels Jon G

SVP, CAF

Sold $9.48M
8 tradesLast: Jul 3, 2025
Tuite Tyler

SVP & Chief Product Officer

Sold $18.1K
1 tradesLast: May 5, 2025
Nash William D

President & CEO

Bought $501.3KSold $31.92M
5 tradesLast: May 5, 2025
Stuckey John M III

SVP, Gen Counsel & Secretary

Sold $1.64M
2 tradesLast: May 5, 2025
Shamim Mohammad

EVP and CITO

Sold $11.24M
6 tradesLast: May 5, 2025
Mayor-Mora Enrique N

SVP & CFO

Sold $2.42M
3 tradesLast: May 5, 2025
Cafritz Diane L

SVP, General Counsel & CHRO

Sold $8.73M
8 tradesLast: May 5, 2025
Lyski James

EVP, Chief Growth & Strat Off

Sold $14.58M
3 tradesLast: May 5, 2025
Livesay Jill A

VP, Controller & PAO

Sold $3.21M
4 tradesLast: May 5, 2025
Newberry Darren C

SVP

Sold $812.4K
1 tradesLast: Jul 13, 2023
BLAYLOCK RONALD E

Director

Sold $1.65M
1 tradesLast: Jul 20, 2021
Hill Edwin J

EVP & COO

Sold $15.35M
2 tradesLast: Jul 13, 2021
Margolin Eric M

EVP, Legal

Sold $4.05M
1 tradesLast: Jul 1, 2021
FOLLIARD THOMAS J

Director

Sold $24.34M
1 tradesLast: Apr 14, 2021