Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2018-04-11 | "Mr. Chalmers is a registered professional engineer, and holds a Bachelor of Science in Mining Engineering from the University of Arizona." |
| 2019-04-12 | “Mr. Chalmers is a registered professional engineer and holds a Bachelor of Science in Mining Engineering from the University of Arizona.” |
| 2020-04-07 | "Mr. Chalmers is a registered professional engineer and holds a Bachelor of Science in Mining Engineering from the University of Arizona." |
| 2021-04-02 | "Mr. Chalmers is a registered professional engineer and holds a Bachelor of Science in Mining Engineering from the University of Arizona." |
| 2022-04-04 | "Mr. Chalmers is a registered professional engineer and holds a Bachelor of Science in Mining Engineering from the University of Arizona." |
| 2023-04-04 | "Mr. Chalmers is a registered professional engineer and holds a Bachelor of Science in Mining Engineering from the University of Arizona." |
| 2024-04-24 | "Mr. Chalmers is a registered professional engineer and holds a Bachelor of Science in Mining Engineering from the University of Arizona." |
Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-04-08