BuyInsider
O'Sullivan Michael J. — buy in BERKSHIRE HATHAWAY INC
See Remarks
45 shares @ $510.64 · ~$23K · code P
View SEC EDGAR filing →Form 4 insider tape
BRK.BBerkshire B
Live SEC EDGAR Form 4 buys and sells for BRK.B · 2 buys / 0 sells in this slice. Structured filings only — no AI rewrite. Informational — not investment advice.
BuyInsider
O'Sullivan Michael J. — buy in BERKSHIRE HATHAWAY INC
See Remarks
483 shares @ $467.13 · ~$226K · code P
View SEC EDGAR filing →