| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Mar 31, 2025 | Hussman Strategic Advisors Inc | 0 | 0.00% |
| Dec 31, 2024 | Hussman Strategic Advisors Inc | 25,200 | 0.01% |
| Mar 31, 2024 | Hussman Strategic Advisors Inc | 0 | 0.00% |
| Dec 31, 2023 | Hussman Strategic Advisors Inc | 10,500 | 0.01% |
| Sep 30, 2023 | Hussman Strategic Advisors Inc | 10,500 | 0.01% |
| Jun 30, 2023 | Hussman Strategic Advisors Inc | 9,300 | 0.00% |
| Mar 31, 2023 | Hussman Strategic Advisors Inc | 9,300 | 0.00% |