O'Sullivan Michael J.
Corporate insiderSee RemarksOpen-market Form 4 activity · 12 Aug 2026 – 12 Aug 2026
Transactions
1
1 buys · 0 sells
Bought
$205K
Open-market purchases
Sold
$0
Open-market sales
Stocks
1
Traded
All transactions
1 trades in the last 12 months · 1 grouped rows| Stock | Trades | Bought | Sold | Latest | ||
|---|---|---|---|---|---|---|
| BRK.B BERKSHIRE HATHAWAY INC | 1 1 buys · 0 sells | $205K | — | 12 Aug 2026 |
1 trades · latest 12 Aug 2026$205K / —