Mitsui Sumitomo Insurance Co Ltd

10% OwnerBERKLEY W R CORP (WRB) · full profile →Form 4 · filed Mar 3, 2026
Net Buying
Open-Market Buys
$18.7M
Open-Market Sells
$0
Net Open-Market Flow
$18.7M
Transactions
4
4 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 3, 2026Buy(P)73K$72.52$5.3M58.8M
Mar 3, 2026Buy(P)39K$71.60$2.8M58.7M
Mar 2, 2026Buy(P)101K$73.20$7.4M58.7M
Mar 2, 2026Buy(P)45K$72.29$3.3M58.6M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-089411) within minutes of acceptance. Every field above traces to the original document. Verify it directly: