| Company | Symbol | Filed By | Filing Date | Filing |
|---|---|---|---|---|
| Needham Investment Management Llc | 2023-02-14 | |||
| Needham Investment Management Llc | 2022-02-14 | |||
| Polar Asset Management Partners Inc. | 2022-02-09 | |||
| Needham Investment Management Llc | 2021-02-16 | |||
| Polar Asset Management Partners Inc. | 2021-02-09 |