Gaskill Christopher Burke (CIK 1854269) reported 4 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-01-29). Recent activity: Buy CSL (865 shares), Sell SUM (44,693 shares), Buy SUM (8,491 shares), Sell SUM (3,850 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-29 | CARLISLE COMPANIES INC (CSL) | VP & General Counsel | Buy | 865 | $0 |
| 2025-02-10 | Summit Materials, Inc. (SUM) | See Remarks | Sell | 44,693 | $2.3M |
| 2025-01-17 | Summit Materials, Inc. (SUM) | See Remarks | Buy | 8,491 | $0 |
| 2025-01-17 | Summit Materials, Inc. (SUM) | See Remarks | Sell | 3,850 | $200,932 |
Source: SEC Form 4 filings · as of 2026-01-29