Michael J. O'Sullivan
Known title: See RemarksCIK: 0001713777
Associated companies
Transaction History
| BRK-A | ▲ Buy | Open Market | 45 | $23K | 8/12/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 400 | $205K | 8/12/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 43 | $22K | 8/12/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 483 | $226K | 5/6/2026 | View on chart |
| BRK-A | ▲ Buy | Open Market | 53 | $25K | 5/6/2026 | View on chart |