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Carmax Inc. (KMX)

Carmax Inc. (KMX) Insider Trading

Directors, officers and holders of more than 10% of KMX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 140 transactions on file: 6 with code P, 0 with code S and 44 with other codes.

DateInsiderCodeShares
Jun 26, 2026Shinder MarcellaA Award3,696
Jun 26, 2026Chawla SonaA Award3,696
Jun 26, 2026KESSLER JAMES FRANCISA Award3,696
Jun 26, 2026COBB WILLIAM CA Award3,696
Jun 26, 2026OShaughnessy RobertA Award3,696
Jun 26, 2026Satriano PietroA Award3,696
Jun 26, 2026McCreight David W.A Award3,696
Jun 26, 2026Bensen Peter JA Award3,696
Jun 26, 2026ONeil Mark FA Award3,696
Jun 26, 2026FOLLIARD THOMAS JA Award3,696
Jun 25, 2026Shinder MarcellaP Purchase574
Jun 25, 2026Chawla SonaP Purchase2,000
Jun 24, 2026ONeil Mark FP Purchase4,800
Jun 24, 2026ONeil Mark FP Purchase4,800
Jun 23, 2026FOLLIARD THOMAS JM Exercise14,855
Jun 23, 2026FOLLIARD THOMAS JF Tax Payment3,618
Jun 23, 2026FOLLIARD THOMAS JM Exercise14,855
Jun 22, 2026Bensen Peter JP Purchase2,500
Jun 22, 2026Barr KeithP Purchase9,400
May 1, 2026Livesay Jill AM Exercise1,059
May 1, 2026Shamim MohammadF Tax Payment1,015
May 1, 2026Wilson Charles JosephF Tax Payment1,015
May 1, 2026Stuckey John M IIIM Exercise1,183
May 1, 2026Cafritz Diane LA Award22,898
May 1, 2026Daniels Jon GA Award14,655
May 1, 2026Stuckey John M IIIF Tax Payment357
May 1, 2026Stuckey John M IIIA Award10,075
May 1, 2026Livesay Jill AA Award5,667
May 1, 2026Livesay Jill AA Award8,029
May 1, 2026Livesay Jill AF Tax Payment319
May 1, 2026Stuckey John M IIIM Exercise2,009
May 1, 2026Shamim MohammadA Award16,944
May 1, 2026Mayor-Mora Enrique NF Tax Payment1,015
May 1, 2026Livesay Jill AM Exercise1,799
May 1, 2026Wilson Charles JosephA Award22,898
May 1, 2026Mayor-Mora Enrique NA Award22,898
May 1, 2026Cafritz Diane LF Tax Payment1,015
May 1, 2026Daniels Jon GF Tax Payment822
May 1, 2026Barr KeithA Award64,114
Mar 22, 2026Tuite TylerM Exercise986
Mar 22, 2026Tuite TylerM Exercise308
Mar 22, 2026Tuite TylerM Exercise195
Mar 22, 2026Tuite TylerM Exercise611
Mar 16, 2026Barr KeithA Award54,025
Mar 16, 2026McCreight David W.M Exercise30,558
Mar 16, 2026Barr KeithA Award23,975
Mar 16, 2026McCreight David W.F Tax Payment11,423
Mar 16, 2026McCreight David W.M Exercise30,558
Dec 28, 2025Wilson Charles JosephM Exercise160
Dec 28, 2025Wilson Charles JosephF Tax Payment49

The full Form 4 history is on the KMX company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.