Thomas A. Beck, See Remarks at Summit Materials, Inc. (SUM), sold 19,459 shares at $30.24 ($588K) on 2017-09-06, disclosed to the SEC on 2017-09-08.
Open-market sale of $588k 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $30.24 | 17,899 | $541K | 92.0% |
| 2 | $30.10 | 1,560 | $47K | 8.0% |
| Total | $30.23 avg | 19,459 | $588K | 100% |
| Filing → |