Tetsuo Shimura, Director at UNIONBANCAL CORP (UB), bought 500 shares at $66.93 ($33K) on 2006-01-30, disclosed to the SEC on 2006-01-30.
Open-market purchase of $33k UB by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.