Richard W. Siegel, Director at NANOPHASE TECHNOLOGIES CORPORATION (NANX), sold 23,160 shares at $6.49 ($150K) on 2006-09-15, disclosed to the SEC on 2006-09-18.
Open-market sale of $150k NANX 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.