Susan Westphal, Director at Rubicon Technology, Inc. (RBCN), sold 4,472 shares at $20.00 ($89K) on 2022-08-19, disclosed to the SEC on 2022-08-22.
Open-market sale of $89k RBCN 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.