MITSUI SUMITOMO INSURANCE CO LTD purchased 1.2% of their position (630K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $42.61M — a small addition. The strongest form of insider conviction signal.
P · 4 purchases
Filed: 1/21/2026ACC: 0001193125-26-018358
10% Owner
Since Mar 2026
+630K
Net shares
Net buyer
$42.61M
Total acquired
4
Open market trades
4B · 0S
4
Total transactions
630K acquired
Non-Derivative Transactions4
Common Stock
Direct
Shares
+265.01K
Price / share
$67.75
Trade value
$17.95M
% of position
0.5%
1/20/2026
53.26M→53.53M
Common Stock
Direct
Shares
+44.99K
Price / share
$68.08
Trade value
$3.06M
% of position
0.1%
1/20/2026
53.53M→53.57M
Common Stock
Direct
Shares
+59K
Price / share
$66.95
Trade value
$3.95M
% of position
0.1%
1/21/2026
53.57M→53.63M
Common Stock
Direct
Shares
+261K
Price / share
$67.60
Trade value
$17.64M
% of position
0.5%
1/21/2026
53.63M→53.89M
Total
Net shares
+630K
Net value
$42.61M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/20/2026 | P · Purchase | +265.01K | $67.75 | $17.95M | 0.5% | 53.26M | 53.53M |
| Common Stock Direct | 1/20/2026 | P · Purchase | +44.99K | $68.08 | $3.06M | 0.1% | 53.53M | 53.57M |
| Common Stock Direct | 1/21/2026 | P · Purchase | +59K | $66.95 | $3.95M | 0.1% | 53.57M | 53.63M |
| Common Stock Direct | 1/21/2026 | P · Purchase | +261K | $67.60 | $17.64M | 0.5% | 53.63M | 53.89M |
| Total | +630K | $42.61M | ||||||
Derivative Transactions0
No derivative transactions reported