MITSUI SUMITOMO INSURANCE CO LTD purchased 0.9% of their position (470K shares) of BERKLEY W R CORP on the open market
Open‑market purchase worth $32.64M — a small addition. The strongest form of insider conviction signal.
P · 6 purchases
Filed: 1/9/2026ACC: 0001193125-26-009283
10% Owner
Since Mar 2026
+470K
Net shares
Net buyer
$32.64M
Total acquired
6
Open market trades
6B · 0S
6
Total transactions
470K acquired
Non-Derivative Transactions6
Common Stock
Direct
Shares
+4.19K
Price / share
$68.79
Trade value
$288.03K
% of position
0.0%
1/8/2026
51.45M→51.45M
Common Stock
Direct
Shares
+39.30K
Price / share
$69.69
Trade value
$2.74M
% of position
0.1%
1/8/2026
51.45M→51.49M
Common Stock
Direct
Shares
+151.51K
Price / share
$70.32
Trade value
$10.65M
% of position
0.3%
1/8/2026
51.49M→51.64M
Common Stock
Direct
Shares
+161.18K
Price / share
$68.48
Trade value
$11.04M
% of position
0.3%
1/9/2026
51.64M→51.80M
Common Stock
Direct
Shares
+105.67K
Price / share
$69.56
Trade value
$7.35M
% of position
0.2%
1/9/2026
51.80M→51.91M
Common Stock
Direct
Shares
+8.15K
Price / share
$70.12
Trade value
$571.45K
% of position
0.0%
1/9/2026
51.91M→51.92M
Total
Net shares
+470K
Net value
$32.64M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 1/8/2026 | P · Purchase | +4.19K | $68.79 | $288.03K | 0.0% | 51.45M | 51.45M |
| Common Stock Direct | 1/8/2026 | P · Purchase | +39.30K | $69.69 | $2.74M | 0.1% | 51.45M | 51.49M |
| Common Stock Direct | 1/8/2026 | P · Purchase | +151.51K | $70.32 | $10.65M | 0.3% | 51.49M | 51.64M |
| Common Stock Direct | 1/9/2026 | P · Purchase | +161.18K | $68.48 | $11.04M | 0.3% | 51.64M | 51.80M |
| Common Stock Direct | 1/9/2026 | P · Purchase | +105.67K | $69.56 | $7.35M | 0.2% | 51.80M | 51.91M |
| Common Stock Direct | 1/9/2026 | P · Purchase | +8.15K | $70.12 | $571.45K | 0.0% | 51.91M | 51.92M |
| Total | +470K | $32.64M | ||||||
Derivative Transactions0
No derivative transactions reported