StockCIK 1067983
BERKSHIRE HATHAWAY INC (BRK-B): Insider Trades and Fund Holdings
In the past 12 months, BERKSHIRE HATHAWAY INC insiders reported 1 open-market purchase worth $250K and 1 sale worth $20.0M; 0 of the sales were reported as made under a 10b5-1 trading plan.
1Insider buys, 12 months
$250KBought by insiders, 12 months
$20.0MSold by insiders, 12 months
0Tracked funds holding
Recent insider trades
Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 29, 2026.
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 29 | Ajit JainChair | ▼ SELL | $20.0M |
| Aug 13 | Michael J. O'SullivanSee Remarks | ▲ BUY | $250K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Insiders who traded in the past year
| Insider | Role | Buys | Bought | Sells | Sold |
|---|---|---|---|---|---|
| Ajit Jain | Chair | 0 | $0 | 1 | $20.0M |
| Michael J. O'Sullivan | See Remarks | 1 | $250K | 0 | $0 |
Reading these numbers
Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →