MITSUI SUMITOMO INSURANCE CO LTD purchased 0.5% of their position (300K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $21.49M — a small addition. The strongest form of insider conviction signal.
P · 3 purchases
Filed: 2/27/2026ACC: 0001193125-26-083630
10% Owner
Since Mar 2026
+300K
Net shares
Net buyer
$21.49M
Total acquired
3
Open market trades
3B · 0S
3
Total transactions
300K acquired
Non-Derivative Transactions3
Common Stock
Direct
Shares
+145.49K
Price / share
$71.65
Trade value
$10.42M
% of position
0.2%
2/26/2026
58.22M→58.37M
Common Stock
Direct
Shares
+7.51K
Price / share
$72.11
Trade value
$541.50K
% of position
0.0%
2/26/2026
58.37M→58.38M
Common Stock
Direct
Shares
+147K
Price / share
$71.63
Trade value
$10.53M
% of position
0.3%
2/27/2026
58.38M→58.52M
Total
Net shares
+300K
Net value
$21.49M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/26/2026 | P · Purchase | +145.49K | $71.65 | $10.42M | 0.2% | 58.22M | 58.37M |
| Common Stock Direct | 2/26/2026 | P · Purchase | +7.51K | $72.11 | $541.50K | 0.0% | 58.37M | 58.38M |
| Common Stock Direct | 2/27/2026 | P · Purchase | +147K | $71.63 | $10.53M | 0.3% | 58.38M | 58.52M |
| Total | +300K | $21.49M | ||||||
Derivative Transactions0
No derivative transactions reported