| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Deitzer John Michael | VP, CFO | 16100 S. LATHROP AVENUE, HARVEY | /s/ Daniel S. Kelly, Attorney-in-Fact for John M. Deitzer | 2025-11-18 | 0002035295 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATKR | Common Stock | Award | $0 | +22.4 | +0.22% | $0.00 | 10.4K | Dec 16, 2024 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Represents dividend equivalent units accrued on unvested restricted stock units ("RSUs"). |
| F2 | Includes unvested restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs. |
| F3 | This Form 4/A is being filed to further amend the Form 4 filed on December 17, 2024 and the Form 4/A filed on March 3, 2025. The prior From 4/A inadvertently reported an incorrect total beneficial ownership following the transaction. This Form 4/A corrects the total number of shares beneficially owned after the transaction, which is 10,355.8727 shares. |