INSIDER DOSSIER
O'Sullivan Michael J.
SEC Form 4 Open-Market Officer / Director •
DISCLOSURE SOURCE: SEC EDGAR FORM 4 BENEFICIAL OWNERSHIP
TOTAL DISCLOSED VOLUME
$250.5K
1 VERIFIED FILINGS
BUY $250.5K SELL $0
ACCUMULATION RATIO: 100% BUY
MOST ACTIVE DISCLOSED TICKERS
O'SULLIVAN MICHAEL J. // CHRONOLOGICAL DISCLOSURE LEDGER
SORTED BY FILING DATE
| FILING DATE | TX DATE | SECURITY | ACTION | SHARES | REPORTED PRICE | TOTAL VALUE | TERMINAL |
|---|---|---|---|---|---|---|---|
| 2026-05-06 | 2026-05-06 | BRK-B | BUY | 536 | $467.44 | $250.5K | BRK-B OWN <GO> |
| 2025-01-22 | 2025-01-17 | BRK-B | BUY | 45.0K | $126.40 | $5.7M | BRK-B OWN <GO> |
| 2024-12-19 | 2024-12-16 | MSFT | BUY | 18.0K | $418.20 | $7.5M | MSFT OWN <GO> |
| 2024-11-14 | 2024-11-11 | AAPL | SELL | 25.0K | $229.50 | $5.7M | AAPL OWN <GO> |