Summit Materials, Inc. (SUM) has 157 open-market insider trades by 24 insiders since 2015. The most active filer is Thomas W. Hill, CEO & President.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| Blackstone Holdings II L.P. | 10% Owner | — | 3 | $545.2M | 2016-11-16 |
| Stephen A. Schwarzman | 10% Owner | — | 2 | $504.7M | 2016-07-19 |
| Blackstone Family Investment Partnership (Delaware) V-NQ L.P. | 10% Owner | — | 1 | $359.8M | 2016-11-16 |
| Blackstone Capital Partners (Delaware) NQ V-AC L.P. | 10% Owner | — | 1 | $252.4M | 2016-07-19 |
| Thomas W. Hill | CEOPres | — | 61 | $56.1M | 2020-02-28 |
| Ted A. Gardner | Dir | — | 7 | $54.6M | 2020-02-28 |
| Thomas W. Hill | Pres | — | 7 | $23.2M | 2020-02-28 |
| Mikel Shane Evans | — | — | 8 | $22.0M | 2019-11-01 |
| Damian John Murphy | PresVP | — | 6 | $20.6M | 2017-12-11 |
| Howard L. Lance | Dir | — | 5 | $15.7M | 2025-02-10 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| Christopher Burke Gaskill | — | Sell | $156K | 2024-12-10 |
| Jason Kilgore | — | Sell | $3.6M | 2024-05-13 |
| Christopher Burke Gaskill | — | Sell | $448K | 2022-05-26 |
| Anne K. Wade | Director | Sell | $337K | 2021-11-15 |
| John Raymond Murphy | Director | Sell | $390K | 2021-11-08 |
| Christopher Burke Gaskill | — | Sell | $175K | 2021-08-10 |
Companies that share insiders with SUM, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| Howard L. Lance | Director | Sell | $11.6M | 2021-06-14 |
| Howard L. Lance | Director | Sell | $1.3M | 2021-03-18 |
| John Raymond Murphy | Director | Sell | $193K | 2021-03-18 |
| Joseph S. Cantie | Director | Buy | $151K | 2020-12-18 |
| Anne Lee Benedict | — | Sell | $152K | 2020-11-02 |
| Anne P. Noonan | CEO & President | Buy | $1.0M | 2020-09-04 |
| Anne Lee Benedict | — | Sell | $194K | 2020-05-26 |
| Brian James Harris | CFO & VP | Sell | $7.0M | 2019-11-19 |
| Anne Lee Benedict | — | Sell | $140K | 2019-11-15 |