Mitsui Sumitomo Insurance Co Ltd

10% OwnerBERKLEY W R CORP (WRB) · full profile →Form 4 · filed Jan 9, 2026
Net Buying
Open-Market Buys
$32.6M
Open-Market Sells
$0
Net Open-Market Flow
$32.6M
Transactions
6
6 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 9, 2026Buy(P)8K$70.12$571K51.9M
Jan 9, 2026Buy(P)161K$68.48$11.0M51.8M
Jan 9, 2026Buy(P)106K$69.56$7.4M51.9M
Jan 8, 2026Buy(P)4K$68.79$288K51.4M
Jan 8, 2026Buy(P)39K$69.69$2.7M51.5M
Jan 8, 2026Buy(P)152K$70.32$10.7M51.6M

Transaction Codes

P
Open-market purchase

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-009283) within minutes of acceptance. Every field above traces to the original document. Verify it directly: