MITSUI SUMITOMO INSURANCE CO LTD purchased 1.6% of their position (811.04K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $55.62M — a small addition. The strongest form of insider conviction signal.
P · 5 purchases
Filed: 1/14/2026ACC: 0001193125-26-013375
10% Owner
Since Mar 2026
+811.04K
Net shares
Net buyer
$55.62M
Total acquired
5
Open market trades
5B · 0S
5
Total transactions
811.04K acquired
Non-Derivative Transactions5
Common Stock
Direct
Shares
+256.04K
Price / share
$68.73
Trade value
$17.60M
% of position
0.5%
1/12/2026
51.92M→52.17M
Common Stock
Direct
Shares
+118.50K
Price / share
$67.82
Trade value
$8.04M
% of position
0.2%
1/13/2026
52.17M→52.29M
Common Stock
Direct
Shares
+206.50K
Price / share
$68.15
Trade value
$14.07M
% of position
0.4%
1/13/2026
52.29M→52.50M
Common Stock
Direct
Shares
+21.73K
Price / share
$68.80
Trade value
$1.49M
% of position
0.0%
1/14/2026
52.50M→52.52M
Common Stock
Direct
Shares
+208.27K
Price / share
$69.23
Trade value
$14.42M
% of position
0.4%
1/14/2026
52.52M→52.73M
Total
Net shares
+811.04K
Net value
$55.62M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/12/2026 | P · Purchase | +256.04K | $68.73 | $17.60M | 0.5% | 51.92M | 52.17M |
| Common Stock Direct | 1/13/2026 | P · Purchase | +118.50K | $67.82 | $8.04M | 0.2% | 52.17M | 52.29M |
| Common Stock Direct | 1/13/2026 | P · Purchase | +206.50K | $68.15 | $14.07M | 0.4% | 52.29M | 52.50M |
| Common Stock Direct | 1/14/2026 | P · Purchase | +21.73K | $68.80 | $1.49M | 0.0% | 52.50M | 52.52M |
| Common Stock Direct | 1/14/2026 | P · Purchase | +208.27K | $69.23 | $14.42M | 0.4% | 52.52M | 52.73M |
| Total | +811.04K | $55.62M | ||||||
Derivative Transactions0
No derivative transactions reported