| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SC 13G/A | Apr 3, 2024 | |
| SC 13G/A | Report | Feb 13, 2024 | ||
| SC 13G/A | Report | Aug 28, 2023 | ||
| SC 13G/A | Report | Feb 6, 2023 | ||
| SC 13G/A | Report | SC 13G/A | Oct 31, 2022 | |
| SC 13G | Report | SC 13G | Apr 8, 2022 | |
| SC 13G/A | Report | Feb 8, 2022 | ||
| SC 13G/A | Report | May 7, 2021 | ||
| SC 13G/A | Report | Mar 10, 2021 | ||
| SC 13G/A | Report | Feb 11, 2021 | ||
| SC 13G/A | Report | Dec 29, 2020 | ||
| SC 13G/A | Report | Dec 23, 2020 | ||
| SC 13G | Report | Nov 12, 2020 | ||
| SC 13G/A | Report | CVD 13G/A | Aug 6, 2015 | |
| SC 13G | Report | CVD EQUIPMENT 13G | Feb 10, 2015 |