John Folsom, Director at COLUMBIA BANKING SYSTEM INC (COLB), bought 2,050 shares at $5.80 ($12K) on 2009-03-10, disclosed to the SEC on 2009-03-10.
Open-market purchase of $12k COLB 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.