Loomes David (CIK 2006209) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-02-10). Recent activity: Sell SUM (33,674 shares), Buy SUM (7,086 shares), Sell SUM (3,330 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-02-10 | Summit Materials, Inc. (SUM) | EVP, Cement | Sell | 33,674 | $1.8M |
| 2025-01-17 | Summit Materials, Inc. (SUM) | See Remarks | Buy | 7,086 | $0 |
| 2025-01-17 | Summit Materials, Inc. (SUM) | See Remarks | Sell | 3,330 | $173,793 |
Source: SEC Form 4 filings · as of 2025-02-10