O'Sullivan Michael J. — See Remarks
Insider trading activity for O'Sullivan Michael J. sourced from SEC EDGAR Form 4 filings.
Overview
- Title: See Remarks
- Company: BERKSHIRE HATHAWAY INC
- Total insider trades: 2
- Total buy volume: $251K
- Total sell volume: $0
- Last trade: May 6, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| May 6, 2026 | O'Sullivan Michael J. | BRK.B BERKSHIRE HATHAWAY INC | BUY | 53 | $25K |
| May 6, 2026 | O'Sullivan Michael J. | BRK.B BERKSHIRE HATHAWAY INC | BUY | 483 | $226K |