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What are insiders buying?

Insiders sell for many reasons: taxes, diversification, a new house. They buy for one: they think the stock is worth more. Open-market purchases by the people who run a company are rare enough to be worth a look.

Updated Oct 6, 2026

16
% buying

Mostly selling

Insiders bought $833.0M and sold $4.5B of their own companies’ stock over the last three weeks. The largest purchases were at LEN and BRK.B.

15 companies with insider buying117 with insider sellingSelling is normal; buying is rare
FOXFox Corporation (Class B)92Net sellingBought $10.3M, sold $10.3M; latest Sep 15, executive Chair, CEO
BXBlackstone Inc.29Net sellingBought $5.0M, sold $12.4M; latest Sep 23, 10% Owner, Director

The largest purchases

Dollars bought by insiders, Sep 15 to Oct 6. Select any company below to see its past year.

Largest insider purchases
Dollars bought in open-market purchases, in millions.
LENLEN$595MBRK.BBRK.B$212MFOXFOX$10.3MBXBX$5MORCLORCL$3.50MCOOCOO$1.90MCVNACVNA$1.50MTFCTFC$1MCRMCRM$1MSPGSPG$0.40MAREARE$0.20MEVRGEVRG$0.10M

Insider activity by company

Ranked by net buying in dollars. Net activity ranks buying minus selling as a share of the company’s value. Select a column to sort.

CompanyNet activityBoughtSoldWhoLatestPast year
FOX
Fox Corporation (Class B)
92Selling$10.3M$10.3MExecutive Chair, CEOSep 15
GOOG
Alphabet Inc. (Class C)
91Selling–$28KDirectorSep 30

How to read this page

How it’s measured. Open-market buys and sells reported on SEC Form 4 by officers, directors and 10% owners of S&P 500 and Nasdaq-100 companies over the last 21 days.

Sources. Daily prices from Financial Modeling Prep; insider filings on SEC Form 4.

Only open-market trades count. Option exercises, grants and planned sales filed under trading plans are excluded where the filing marks them. A 10% owner can be a fund rather than a person.

Insider buying is a reason to look closer, not a signal on its own. This is information, not investment advice.

This page is information, not investment advice. About our data and methods ›

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