| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gourdier Benoit | EVP, Bioscience Production | RADNOR CORPORATE CENTER, BUILDING ONE,, SUITE 200, 100 MATSONFORD ROAD, RADNOR | /s/ Scott Baker, as Attorney-in-Fact | 03 Oct 2025 | 0001995333 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AVTR | Common Stock | Tax liability | $17,405 | -1,264 | -0.53% | $13.77 | 235,684 | 02 Oct 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. |