David Gerald Greenspan, 10% Owner at Cyclerion Therapeutics, Inc. (CYCN), sold 357,880 shares at $1.55 ($555K) on 2024-11-21, disclosed to the SEC on 2024-11-25.
Open-market sale of $555k CYCN by 10% Owner. 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.