Arkolith/Insider Trading/WRB/Form 4

Mitsui Sumitomo Insurance Co Ltd

10% OwnerBERKLEY W R CORP (WRB) · full profile →Form 4 · filed Feb 27, 2026
Net Buying
Open-Market Buys
$21.5M
Open-Market Sells
$0
Net Open-Market Flow
$21.5M
Transactions
3
3 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 27, 2026Buy(P)147K$71.63$10.5M58.5M
Feb 26, 2026Buy(P)145K$71.65$10.4M58.4M
Feb 26, 2026Buy(P)8K$72.11$541K58.4M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-083630) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML