MITSUI SUMITOMO INSURANCE CO LTD purchased 1.0% of their position (553.65K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $39.38M — a small addition. The strongest form of insider conviction signal.
P · 6 purchases
Filed: 2/25/2026ACC: 0001193125-26-072599
10% Owner
Since Mar 2026
+553.65K
Net shares
Net buyer
$39.38M
Total acquired
6
Open market trades
6B · 0S
6
Total transactions
553.65K acquired
Non-Derivative Transactions6
Common Stock
Direct
Shares
+203.59K
Price / share
$71.09
Trade value
$14.47M
% of position
0.4%
2/23/2026
57.67M→57.87M
Common Stock
Direct
Shares
+16.41K
Price / share
$71.80
Trade value
$1.18M
% of position
0.0%
2/23/2026
57.87M→57.89M
Common Stock
Direct
Shares
+103.19K
Price / share
$70.52
Trade value
$7.28M
% of position
0.2%
2/24/2026
57.89M→57.99M
Common Stock
Direct
Shares
+61.59K
Price / share
$71.28
Trade value
$4.39M
% of position
0.1%
2/24/2026
57.99M→58.05M
Common Stock
Direct
Shares
+154.51K
Price / share
$71.39
Trade value
$11.03M
% of position
0.3%
2/25/2026
58.05M→58.21M
Common Stock
Direct
Shares
+14.36K
Price / share
$71.77
Trade value
$1.03M
% of position
0.0%
2/25/2026
58.21M→58.22M
Total
Net shares
+553.65K
Net value
$39.38M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/23/2026 | P · Purchase | +203.59K | $71.09 | $14.47M | 0.4% | 57.67M | 57.87M |
| Common Stock Direct | 2/23/2026 | P · Purchase | +16.41K | $71.80 | $1.18M | 0.0% | 57.87M | 57.89M |
| Common Stock Direct | 2/24/2026 | P · Purchase | +103.19K | $70.52 | $7.28M | 0.2% | 57.89M | 57.99M |
| Common Stock Direct | 2/24/2026 | P · Purchase | +61.59K | $71.28 | $4.39M | 0.1% | 57.99M | 58.05M |
| Common Stock Direct | 2/25/2026 | P · Purchase | +154.51K | $71.39 | $11.03M | 0.3% | 58.05M | 58.21M |
| Common Stock Direct | 2/25/2026 | P · Purchase | +14.36K | $71.77 | $1.03M | 0.0% | 58.21M | 58.22M |
| Total | +553.65K | $39.38M | ||||||
Derivative Transactions0
No derivative transactions reported