MITSUI SUMITOMO INSURANCE CO LTD purchased 0.4% of their position (258.18K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $18.75M — a small addition. The strongest form of insider conviction signal.
P · 4 purchases
Filed: 3/3/2026ACC: 0001193125-26-089411
10% Owner
Since Mar 2026
+258.18K
Net shares
Net buyer
$18.75M
Total acquired
4
Open market trades
4B · 0S
4
Total transactions
258.18K acquired
Non-Derivative Transactions4
Common Stock
Direct
Shares
+45.10K
Price / share
$72.29
Trade value
$3.26M
% of position
0.1%
3/2/2026
58.52M→58.57M
Common Stock
Direct
Shares
+100.90K
Price / share
$73.20
Trade value
$7.39M
% of position
0.2%
3/2/2026
58.57M→58.67M
Common Stock
Direct
Shares
+38.99K
Price / share
$71.60
Trade value
$2.79M
% of position
0.1%
3/3/2026
58.67M→58.71M
Common Stock
Direct
Shares
+73.19K
Price / share
$72.52
Trade value
$5.31M
% of position
0.1%
3/3/2026
58.71M→58.78M
Total
Net shares
+258.18K
Net value
$18.75M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/2/2026 | P · Purchase | +45.10K | $72.29 | $3.26M | 0.1% | 58.52M | 58.57M |
| Common Stock Direct | 3/2/2026 | P · Purchase | +100.90K | $73.20 | $7.39M | 0.2% | 58.57M | 58.67M |
| Common Stock Direct | 3/3/2026 | P · Purchase | +38.99K | $71.60 | $2.79M | 0.1% | 58.67M | 58.71M |
| Common Stock Direct | 3/3/2026 | P · Purchase | +73.19K | $72.52 | $5.31M | 0.1% | 58.71M | 58.78M |
| Total | +258.18K | $18.75M | ||||||
Derivative Transactions0
No derivative transactions reported