MITSUI SUMITOMO INSURANCE CO LTD purchased 1.3% of their position (610.35K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $42.55M — a small addition. The strongest form of insider conviction signal.
P · 4 purchases
Filed: 12/22/2025ACC: 0001193125-25-329220
10% Owner
Since Mar 2026
+610.35K
Net shares
Net buyer
$42.55M
Total acquired
4
Open market trades
4B · 0S
4
Total transactions
610.35K acquired
Non-Derivative Transactions4
Common Stock
Direct
Shares
+204.35K
Price / share
$69.38
Trade value
$14.18M
% of position
0.4%
12/18/2025
48.60M→48.81M
Common Stock
Direct
Shares
+204K
Price / share
$69.50
Trade value
$14.18M
% of position
0.4%
12/19/2025
48.81M→49.01M
Common Stock
Direct
Shares
+39.94K
Price / share
$69.97
Trade value
$2.79M
% of position
0.1%
12/22/2025
49.01M→49.05M
Common Stock
Direct
Shares
+162.06K
Price / share
$70.33
Trade value
$11.40M
% of position
0.3%
12/22/2025
49.05M→49.21M
Total
Net shares
+610.35K
Net value
$42.55M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 12/18/2025 | P · Purchase | +204.35K | $69.38 | $14.18M | 0.4% | 48.60M | 48.81M |
| Common Stock Direct | 12/19/2025 | P · Purchase | +204K | $69.50 | $14.18M | 0.4% | 48.81M | 49.01M |
| Common Stock Direct | 12/22/2025 | P · Purchase | +39.94K | $69.97 | $2.79M | 0.1% | 49.01M | 49.05M |
| Common Stock Direct | 12/22/2025 | P · Purchase | +162.06K | $70.33 | $11.40M | 0.3% | 49.05M | 49.21M |
| Total | +610.35K | $42.55M | ||||||
Derivative Transactions0
No derivative transactions reported