Gregory Guidroz, Vice President of Finance at TANOX INC (TNOX), sold 18,000 shares at $19.81 ($357K) on 2006-12-11, disclosed to the SEC on 2006-12-13.
Open-market sale of $357k TNOX by Vice President of Finance. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.