Mitsui Sumitomo Insurance Co. Ltd., 10% Owner at BERKLEY W R CORP (WRB), bought 1,132,772 shares at $71.19 ($80.3M) on 2026-02-17, disclosed to the SEC on 2026-02-18.
Open-market purchase of $80.3M 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 C.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $71.19 | 281,386 | $20.0M | 24.9% |
| 2 | $71.19 | 281,386 | $20.0M | 24.9% |
| 3 | $70.58 | 239,750 | $16.9M | 21.1% |
| 4 | $70.58 | 239,750 | $16.9M | 21.1% |
| 5 | $70.96 | 45,250 | $3.2M | 4.0% |
| 6 | $70.96 | 45,250 |
| $3.2M |
| 4.0% |
| Total | $70.92 avg | 1,132,772 | $80.3M | 100% |
| Filing → |
| WRB | BUY | 2026-02-25 | $39.4M | — | Filing → |
| WRB | BUY | 2026-02-13 | $2.8M | — | Filing → |
| WRB | BUY | 2026-02-11 | $6.8M | — | Filing → |