Arkolith/Insider Trading/WRB/Form 4

Mitsui Sumitomo Insurance Co Ltd

10% OwnerBERKLEY W R CORP (WRB) · full profile →Form 4 · filed Dec 29, 2025
Net Buying
Open-Market Buys
$62.0M
Open-Market Sells
$0
Net Open-Market Flow
$62.0M
Transactions
5
5 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 29, 2025Buy(P)205K$70.77$14.5M50.1M
Dec 26, 2025Buy(P)220K$70.56$15.5M49.9M
Dec 24, 2025Buy(P)220K$70.51$15.5M49.7M
Dec 23, 2025Buy(P)233K$70.31$16.4M49.4M
Dec 23, 2025Buy(P)2K$71.15$144K49.4M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-335622) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML