| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 13, 2024 | |
| SC 13G/A | Report | Jan 31, 2024 | ||
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 9, 2023 | |
| SC 13G | Report | Feb 3, 2023 | ||
| SC 13G | Report | May 9, 2022 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 10, 2022 | |
| SC 13G | Report | Feb 4, 2022 | ||
| SC 13G/A | Report | SC 13G/A | Feb 2, 2022 | |
| SC 13G/A | Report | SC 13G/A | Feb 1, 2022 | |
| SC 13G/A | Report | SC 13G/A | Mar 2, 2021 | |
| SC 13G | Report | Feb 16, 2021 | ||
| SC 13G/A | Report | SCHEDULE 13G HOLDINGS REPORT AMENDMENT | Feb 16, 2021 | |
| SC 13G/A | Report | AMENDMENT NO. 2 TO SCHEDULE 13G | Feb 16, 2021 | |
| SC 13G/A | Report | KARPUS INVESTMENT MGT / HYLIION HOLDINGS (FKA TORTOISE ACQUISITION CORP) - SCHED | Feb 12, 2021 | |
| SC 13G/A | Report | AMENDMENT NO. 1 TO SCHEDULE 13G | Feb 11, 2021 | |
| SC 13G/A | Report | HYLIION HOLDINGS CORP. | Feb 11, 2021 | |
| SC 13G | Report | SC 13G | Oct 21, 2020 | |
| SC 13G | Report | SC 13G | Oct 13, 2020 | |
| SC 13G/A | Report | FORM SC 13G/A | Jul 10, 2020 | |
| SC 13G | Report | FORM SC 13G | Apr 10, 2020 | |
| SC 13G/A | Report | AQR CAPITAL MANAGEMENT LLC | Feb 18, 2020 | |
| SC 13G/A | Report | AMENDMENT NO. 1 TO SCHEDULE 13G | Feb 14, 2020 | |
| SC 13G | Report | Feb 14, 2020 | ||
| SC 13G/A | Report | AMENDMENT NO. 1 TO SCHEDULE 13G | Feb 14, 2020 | |
| SC 13G | Report | Feb 14, 2020 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 13, 2020 | |
| SC 13G/A | Report | TORTOISE ACQUISITION CORP. | Feb 13, 2020 | |
| SC 13G | Report | TORTOISE ACQUISITION CORP. | Mar 11, 2019 | |
| SC 13G | Report | SC 13G | Mar 11, 2019 | |
| SC 13G | Report | TORTOISE ACQUISITION CORP. | Mar 11, 2019 | |
| SC 13G | Report | AQR CAPITAL MANAGEMENT LLC | Mar 8, 2019 | |
| SC 13G | Report | SC 13G | Mar 7, 2019 |