Updated Jul 16, 2026
Loomes David is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2024-12-26 | SUM | Summit Materials, Inc. | F — Tax withholding / forfeiture | 9.5K | $50.50 | $477K |
| 2024-12-26 | SUM | Summit Materials, Inc. | M — Option exercise | 14.0K | — | |
| 2024-12-26 | SUM | Summit Materials, Inc. | M — Option exercise | 5.2K | — | |
| 2024-12-26 | SUM | Summit Materials, Inc. | M — Option exercise | 2.2K | — |
Loomes David is a corporate insider — currently tracked as See Remarks. InsiderAlpha tracks every SEC Form 4 filing in real time.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Loomes David profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.