Kevin A. Gill, See Remarks at Summit Materials, Inc. (SUM), sold 4,602 shares at $20.00 ($92K) on 2016-04-19, disclosed to the SEC on 2016-04-21.
Open-market sale of $92k SUM 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.