Damian John Murphy, EVP & East Division President at Summit Materials, Inc. (SUM), sold 115,118 shares at $31.75 ($3.7M) on 2017-12-11, disclosed to the SEC on 2017-12-13.
Open-market sale of $3.7M SUM by EVP & East Division President. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| SUM | SELL | 2017-05-08 | $5.6M | — | Filing → |
| SUM | SELL | 2017-03-20 | $1.5M | — | Filing → |
| SUM | BUY | 2015-03-19 | $54K | — | Filing → |