Mitsui Sumitomo Insurance Co LTD

10% owner, W. R. Berkley

Bought, 12 months

$333M

Sold, 12 months

$0.0M

Companies

Latest trade

Mar 3, 2026

Companies

W. R. Berkley10% owner +$333M

Trades

WRB Bought 112,176 shares at $72.20 · planned $8.1M Mar 3

WRB Bought 146,000 shares at $72.92 · planned $10.6M Mar 2

WRB Bought 147,000 shares at $71.63 · planned $10.5M Feb 27

WRB Bought 153,000 shares at $71.67 · planned $11.0M Feb 26

WRB Bought 285,000 shares at $70.64 · planned $20.1M Feb 18

WRB Bought 281,386 shares at $71.19 · planned $20.0M Feb 17

WRB Bought 25,000 shares at $70.20 · planned $1.8M Feb 4

WRB Bought 40,000 shares at $68.64 · planned $2.7M Feb 3

WRB Bought 250,221 shares at $67.75 · planned $17.0M Feb 2

WRB Bought 195,000 shares at $68.36 · planned $13.3M Jan 30

WRB Bought 290,000 shares at $68.13 · planned $19.8M Jan 29

WRB Bought 230,000 shares at $69.19 · planned $15.9M Jan 14

WRB Bought 325,000 shares at $68.03 · planned $22.1M Jan 13

WRB Bought 256,041 shares at $68.73 · planned $17.6M Jan 12

WRB Bought 275,000 shares at $68.94 · planned $19.0M Jan 9

WRB Bought 195,000 shares at $70.16 · planned $13.7M Jan 8

WRB Bought 265,000 shares at $68.50 · planned $18.2M Jan 7

WRB Bought 215,288 shares at $70.05 · planned $15.1M Jan 6

WRB Bought 200,930 shares at $70.59 · planned $14.2M Jan 5

WRB Bought 205,000 shares at $70.77 · planned $14.5M Dec 29

WRB Bought 220,000 shares at $70.56 · planned $15.5M Dec 26

WRB Bought 220,000 shares at $70.51 · planned $15.5M Dec 24

WRB Bought 234,573 shares at $70.32 · planned $16.5M Dec 23

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.