Mitsui Sumitomo Insurance Co. Ltd., 10% Owner at BERKLEY W R CORP (WRB), bought 698,000 shares at $67.45 ($46.9M) on 2026-01-22, disclosed to the SEC on 2026-01-23.
Open-market purchase of $46.9M 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 | $67.45 | 330,000 | $22.3M | 47.5% |
| 2 | $66.77 | 201,081 | $13.4M | 28.6% |
| 3 | $67.18 | 166,919 | $11.2M | 23.9% |
| Total | $67.19 avg | 698,000 | $46.9M | 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 → |