Gregory George Grimes, Director at RESEARCH FRONTIERS INC (REFR), sold 18,000 shares at $1.72 ($31K) on 2018-10-10, disclosed to the SEC on 2018-10-12.
Open-market sale of $31k REFR 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.