| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Healy Thomas J. | Chief Executive Officer, Director, 10%+ Owner | C/O HYLIION HOLDING CORP., 1202 BMC DRIVE, SUITE 100, CEDAR PARK | /s/ Thomas J. Healy | 25 Aug 2025 | 0001825486 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HYLN | Common Stock | Tax liability | $109,037 | -61,603 | -0.17% | $1.77 | 35,335,284 | 25 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares sold for the payment of a tax liability related to the vesting and distribution of restricted stock units. |