Douglas Charles Rauh, See Remarks at Summit Materials, Inc. (SUM), sold 10,000 shares at $21.60 ($216K) on 2016-05-16, disclosed to the SEC on 2016-05-18.
Open-market sale of $216k 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.
| Filing → |
| SUM | SELL | 2017-08-11 | $2.9M | — | Filing → |
| SUM | SELL | 2017-08-08 | $924K | — | Filing → |
| SUM | SELL | 2017-06-07 | $509K | — | Filing → |