| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| May 16, 2025 | Dr. Charles H. Wurtzebach, Phd | 65,782 | 0.08% |
| May 30, 2024 | Dr. Charles H. Wurtzebach, Phd | 60,171 | 0.07% |
| Feb 26, 2024 | Dr. Charles H. Wurtzebach, Phd | 53,938 | 0.06% |
| Jun 15, 2023 | Dr. Charles H. Wurtzebach, Phd | 61,737 | 0.07% |
| May 11, 2022 | Dr. Charles H. Wurtzebach, Phd | 55,684 | 0.07% |