Mitsui Sumitomo Insurance Co. Ltd., 10% Owner at BERKLEY W R CORP (WRB), bought 630,442 shares at $67.71 ($42.9M) on 2026-02-02, disclosed to the SEC on 2026-02-04.
Open-market purchase of $42.9M WRB by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $67.71 | 237,062 | $16.1M | 37.4% |
| 2 | $67.71 | 237,062 | $16.1M | 37.4% |
| 3 | $68.42 | 13,159 | $900K | 2.1% |
| 4 | $68.42 | 13,159 | $900K | 2.1% |
| 5 | $67.75 | 8,347 | $565K | 1.3% |
| 6 | $67.75 | 8,347 |
| $566K |
| 1.3% |
| 7 | $68.87 | 31,653 | $2.2M | 5.1% |
| 8 | $68.87 | 31,653 | $2.2M | 5.1% |
| 9 | $69.77 | 2,585 | $180K | 0.4% |
| 10 | $69.77 | 2,585 | $180K | 0.4% |
| 11 | $70.25 | 22,415 | $1.6M | 3.7% |
| 12 | $70.25 | 22,415 | $1.6M | 3.7% |
| Total | $68.05 avg | 630,442 | $42.9M | 100% |
| Filing → |
| WRB | BUY | 2026-02-25 | $39.4M | — | Filing → |
| WRB | BUY | 2026-02-18 | $80.3M | — | Filing → |
| WRB | BUY | 2026-02-13 | $2.8M | — | Filing → |