| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Dec 12, 2024 | Dr. Frank H. Levinson, Phd | 6,604 | 0.02% |
| May 24, 2024 | Dr. Frank H. Levinson | 5,709 | 0.02% |
| Dec 12, 2023 | Dr. Frank H. Levinson | 11,709 | 0.03% |
| Nov 17, 2023 | Dr. Frank H. Levinson | 10,427 | 0.03% |
| Dec 08, 2022 | Dr. Frank H. Levinson | 30,427 | 0.08% |