| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Panzer Jon | Chief Financial Officer | C/O HYLIION HOLDING CORP., 1202 BMC DRIVE, SUITE 100, CEDAR PARK | /s/ Jon Panzer | 2025-08-29 | 0001946212 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HYLN | Common Stock | Tax liability | -$4.19K | -2.44K | -0.27% | $1.72 | 909K | Aug 28, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares withheld for the payment of a tax liability related to the vesting and distribution of restricted stock units. |