| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | Apr 5, 2024 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G | Report | Jan 31, 2024 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 9, 2023 | |
| SC 13G/A | Report | Jan 31, 2023 | ||
| SC 13G/A | Report | Feb 3, 2022 | ||
| SC 13G | Report | COWEN AND COMPANY, LLC | Nov 12, 2021 | |
| SC 13G/A | Report | SC 13G/A | Feb 16, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2021 | |
| SC 13G | Report | Feb 2, 2021 | ||
| SC 13G/A | Report | AMENDMENT NO. 1 | Feb 13, 2020 | |
| SC 13G | Report | SCHEDULE 13G | Jan 29, 2020 | |
| SC 13G | Report | WORKHORSE GROUP INC. | Jan 7, 2019 | |
| SC 13G/A | Report | Feb 14, 2017 | ||
| SC 13G/A | Report | Feb 16, 2016 | ||
| SC 13G/A | Report | Feb 16, 2016 | ||
| SC 13G | Report | Mar 12, 2015 | ||
| SC 13G/A | Report | AMP HOLDING INC. FORM SC 13-G/A | May 2, 2013 | |
| SC 13G/A | Report | AMP HOLDING INC. FORM SC 13G/A | Mar 6, 2013 | |
| SC 13G | Report | AMP HOLDING INC. FORM SC 13G | Jan 11, 2013 | |
| SC 13G/A | Report | SC 13G/A | Feb 10, 2012 | |
| SC 13G | Report | SC 13G | Apr 28, 2011 |