SEC CIK 1713777
O'Sullivan Michael J.
Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| SNAPview stock → | 1,854,982 | 2025-11-17 |
| BRK.Bview stock → | 1,151 | 2026-08-12 |
| BRK.Aview stock → | 127 | 2026-05-03 |
Position History — BRK.A
Reported shares owned immediately after each Form 4 transaction, over time.
Not enough filing history yet to chart a trend for BRK.A.
Recent Filings — BRK.A
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-05-03 | — | — | — | 127 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.