Tom Matson Sr., Director at COLUMBIA BANKING SYSTEM INC (COLB), sold 64,788 shares at $32.74 ($2.1M) on 2007-08-17, disclosed to the SEC on 2007-08-20.
Open-market sale of $2.1M COLB by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.