| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Eck Steven W | SVP & Chief Accounting Officer | RADNOR CORPORATE CENTER, BUILDING ONE,, SUITE 200, 100 MATSONFORD ROAD, RADNOR | /s/ Scott Baker, as Attorney-in-Fact | 04 Aug 2025 | 0001748813 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AVTR | Common Stock | Tax liability | -$18.6K | -1.39K | -2.31% | $13.44 | 58.5K | 31 Jul 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents the number of shares withheld by the Issuer to cover tax withholding obligations in connection with the vesting of RSUs. |