MITSUI SUMITOMO INSURANCE CO LTD purchased 1.0% of their position (535K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $36.64M — a small addition. The strongest form of insider conviction signal.
P · 4 purchases
Filed: 1/16/2026ACC: 0001193125-26-015569
10% Owner
Since Mar 2026
+535K
Net shares
Net buyer
$36.64M
Total acquired
4
Open market trades
4B · 0S
4
Total transactions
535K acquired
Non-Derivative Transactions4
Common Stock
Direct
Shares
+166.91K
Price / share
$68.67
Trade value
$11.46M
% of position
0.3%
1/15/2026
52.73M→52.89M
Common Stock
Direct
Shares
+68.09K
Price / share
$69.45
Trade value
$4.73M
% of position
0.1%
1/15/2026
52.89M→52.96M
Common Stock
Direct
Shares
+241.31K
Price / share
$68.03
Trade value
$16.42M
% of position
0.5%
1/16/2026
52.96M→53.20M
Common Stock
Direct
Shares
+58.69K
Price / share
$68.79
Trade value
$4.04M
% of position
0.1%
1/16/2026
53.20M→53.26M
Total
Net shares
+535K
Net value
$36.64M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/15/2026 | P · Purchase | +166.91K | $68.67 | $11.46M | 0.3% | 52.73M | 52.89M |
| Common Stock Direct | 1/15/2026 | P · Purchase | +68.09K | $69.45 | $4.73M | 0.1% | 52.89M | 52.96M |
| Common Stock Direct | 1/16/2026 | P · Purchase | +241.31K | $68.03 | $16.42M | 0.5% | 52.96M | 53.20M |
| Common Stock Direct | 1/16/2026 | P · Purchase | +58.69K | $68.79 | $4.04M | 0.1% | 53.20M | 53.26M |
| Total | +535K | $36.64M | ||||||
Derivative Transactions0
No derivative transactions reported