Mitsui Sumitomo Insurance Co Ltd

10% OwnerBERKLEY W R CORP (WRB) · full profile →Form 4 · filed Jan 14, 2026
Net Buying
Open-Market Buys
$55.6M
Open-Market Sells
$0
Net Open-Market Flow
$55.6M
Transactions
5
5 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 14, 2026Buy(P)208K$69.23$14.4M52.7M
Jan 14, 2026Buy(P)22K$68.80$1.5M52.5M
Jan 13, 2026Buy(P)119K$67.82$8.0M52.3M
Jan 13, 2026Buy(P)206K$68.15$14.1M52.5M
Jan 12, 2026Buy(P)256K$68.73$17.6M52.2M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-013375) within minutes of acceptance. Every field above traces to the original document. Verify it directly: