Lisa Olson, See Remarks at Magenta Therapeutics, Inc. (MGTA), sold 5,736 shares at $6.73 ($39K) on 2021-09-16, disclosed to the SEC on 2021-09-20.
Open-market sale of $39k MGTA by See Remarks. 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.