Thomas A. Beck, See Remarks at Summit Materials, Inc. (SUM), sold 36,708 shares at $29.31 ($1.1M) on 2017-09-15, disclosed to the SEC on 2017-09-19.
Open-market sale of $1.1M 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 | $29.31 | 18,354 | $538K | 50.0% |
| 2 | $29.31 | 18,354 | $538K | 50.0% |
| Total | $29.31 avg | 36,708 | $1.1M | 100% |
| Filing → |