Insidr
← Back to feed

ONeil Mark F

8 Form 4 · free tier: 48h delay

Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).

For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.

Recent Form 4 trades

Open-market purchases and sales

8 tx · 8 groups

CARMAX INC

KMX · Trade · Jun 24, 2026 · Filed · Jun 26, 2026 · filed 2 days after trade

$251,328

4,800 sh

Buy

CARMAX INC

KMX · Trade · Oct 2, 2025 · Filed · Oct 6, 2025 · filed 4 days after trade

$499,807

10,816 sh

Buy

CARMAX INC

KMX · Trade · Sep 30, 2020 · Filed · Oct 2, 2020 · filed 2 days after trade

$252,180

2,700 sh

Buy

Dealertrack Technologies, Inc

TRAK · Trade · Jun 18, 2015 · Filed · Jun 22, 2015 · filed 4 days after trade

$3,147,320

50,000 sh

Sell

Dealertrack Technologies, Inc

TRAK · Trade · Dec 8, 2014 · Filed · Dec 9, 2014

$815,770

17,500 sh

Sell

Dealertrack Technologies, Inc

TRAK · Trade · Dec 2, 2014 · Filed · Dec 3, 2014

$688,855

14,492 sh

Sell

Dealertrack Technologies, Inc

TRAK · Trade · Nov 28, 2014 · Filed · Dec 1, 2014 · filed 3 days after trade

$960,322

20,198 sh

Sell

Dealertrack Technologies, Inc

TRAK · Trade · Nov 26, 2014 · Filed · Dec 1, 2014 · filed 5 days after trade

$805,018

16,921 sh

Sell