| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Standley Greg | Chief Accounting Officer. | C/O HYLIION HOLDING CORP., 1202 BMC DRIVE, SUITE 100, CEDAR PARK | /s/ Greg Standley | 27 May 2025 | 0001842715 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HYLN | Common Stock | Purchase | $5,650 | +5,000 | +2.11% | $1.13 | 241,659 | 23 May 2025 | Direct |