TIGER Management LLC, 10% Owner at ALPINE IMMUNE SCIENCES, INC. (ALPN), sold 25,000 shares at $5.85 ($146K) on 2019-02-08, disclosed to the SEC on 2019-02-12.
Open-market sale of $146k ALPN 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.