SEC Form 4 · insider transactions · free

BERKSHIRE HATHAWAY INC insider buying and selling

10 Form 4 filings against BERKSHIRE HATHAWAY INC (BRK-B) in the last 90 days. Below are the transactions from 4 recent filings, one per insider where the window allows, as filed.

Window 2026-07-11 to 2026-10-09 · CIK 0001067983 · newest filing 2026-10-05 · source: SEC EDGAR full-text search and the Form 4 XML itself
DateInsiderRoleTransactionCodeSharesPriceOwned after
2026-10-02BERKSHIRE HATHAWAY INC10% owneropen-market buyP448,113$78.3727,188,239
2026-10-02BERKSHIRE HATHAWAY INC10% owneropen-market buyP342,553$79.0327,530,792
2026-10-01BERKSHIRE HATHAWAY INC10% owneropen-market buyP425,869$79.4926,460,305
2026-10-01BERKSHIRE HATHAWAY INC10% owneropen-market buyP92,830$80.5726,553,135
2026-10-01BERKSHIRE HATHAWAY INC10% owneropen-market buyP186,991$81.4626,740,126
2026-09-28Jain AjitVice Chairman, directoropen-market saleS39,700$503.0967,608
2026-08-12O'Sullivan Michael J.See Remarksopen-market buyP45$510.64708
2026-08-12O'Sullivan Michael J.See Remarksopen-market buyP400$512.521,108
2026-08-12O'Sullivan Michael J.See Remarksopen-market buyP43$513.611,151

What the filings show

Across the 4 filings read here, 3 insiders at BERKSHIRE HATHAWAY INC (BRK-B) reported 1 open-market sale of 39,700 shares worth about $20.0M and 8 open-market purchases of 1,496,844 shares worth about $119M.

The largest by value was BERKSHIRE HATHAWAY INC (10% owner), with about $119M bought on the open market.

10 Form 4 filings were made against BERKSHIRE HATHAWAY INC in the 90 days to October 9, 2026; the paid report reads all of them.

Transaction codes: P is an open-market purchase, S an open-market sale, A a grant or award, M an option exercise, F shares surrendered for tax. 8 open-market buys and 1 open-market sale in the rows above.
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The Form 4 flow against BERKSHIRE HATHAWAY INC, parsed and explained

The free view above is the newest few filings. The paid report reads the newest Form 4 filings of the last 90 days (up to 100), separates open-market buys and sales from awards, exercises and tax withholding, totals the flow per insider, flags 10b5-1 plans where the filing notes them, and hands you a cited write-up plus a downloadable transactions table.

agents: POST /v1/insider-report with {"ticker":"BRK-B"} over x402 or MPP, $0.60

Sample output and API docs · all reports

BRK-B company profileAll insider pages13F fund holdingsAll reportsWatch BRK-B for new filings

Generated from public SEC EDGAR filings. Filing data is shown as filed. This is information, not investment advice.