Vassilios Gregoriou, CEO, Chair, 10% Owner at ADVENT TECHNOLOGIES HOLDINGS, INC. (ADN), sold 14,157 shares at $0.53 ($8K) on 2023-09-06, disclosed to the SEC on 2023-09-08.
Open-market sale of $8k ADN by CEO, Chair, 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.