Arkolith/Insider Trading/BRK.B/Form 4

O'Sullivan Michael J.

See RemarksBERKSHIRE HATHAWAY INC (BRK.B) · full profile →Form 4 · filed May 6, 2026
Net Buying
Open-Market Buys
$251K
Open-Market Sells
$0
Net Open-Market Flow
$251K
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 6, 2026Buy(P)483$467.13$226K610
May 6, 2026Buy(P)53$470.22$25K663

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-209661) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML