| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| John A. Copelyn | Director, 10%+ Owner | $523,786,780 | 21 Jan 2021 | ||
| Aktiv Investment Management (Pty) Ltd | 10%+ Owner | $44,818,553 | 03 Nov 2025 | ||
| Scott E. Hill | VP of Business Development | $5,639,981 | 28 Nov 2022 | ||
| Yunis Shaik | Director | $4,910,445 | 04 Jun 2021 | ||
| Michael Alon Jacobson | Director | $2,727,000 | 02 Apr 2024 | ||
| Theventheran (kevin) G. Govender | Director, 10%+ Owner | $2,251,457 | 21 Jan 2021 | ||
| Sharon R. Frank | VP Environ Health & Safety | $65,589 | 24 Nov 2025 | ||
| Kevin A. van Asdalan | CFO and Treasurer | 19 Apr 2023 | |||
| Sean F. McClain | President and CEO, Director | 19 Apr 2023 | |||
| Michael Barsch | Vice President of Business Development | 15 Sep 2023 | |||
| Jennifer E. Cunningham | Director | 01 Jan 2022 | |||
| John Ciroli | Chief Legal Officer & Secretary | 19 Apr 2023 | |||
| James A. Shaw | Vice President of Operations | 19 Apr 2023 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Sharon R. Frank | MNTK | Common Stock | Tax liability | -6.54% | -2,748 | 39,275 | 24 Nov 2025 | Direct |