Roman Yelensky, See Remarks at Gritstone Oncology, Inc. (GRTS), sold 10,000 shares at $22.10 ($221K) on 2021-01-19, disclosed to the SEC on 2021-01-21.
Open-market sale of $221k GRTS 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.