| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| SLIETER KELLY | SVP, Chief HR Officer | 300 KIMBALL DRIVE, SUITE 101, PARSIPPANY | /s/ Achilles B. Kintiroglou for Kelly Slieter | 02 Mar 2026 | 0001815987 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ASIX | Common Stock, par value $0.01 | Award | $400,008 | +22,485 | +47% | $17.79 | 70,453 | 26 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Grant of restricted stock units pursuant to the 2016 Stock Incentive Plan of AdvanSix Inc. and its Affiliates, as Amended and Restated, which are scheduled to vest in three equal annual installments on the first three anniversaries of the grant date. |