| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| James Wilbert W Jr | Director | 16100 S. LATHROP AVENUE, HARVEY | /s/ Daniel S. Kelly, Attorney-in-Fact for Wilbert W. James, Jr. | 2025-09-03 | 0001713395 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ATKR | Common Stock | Award | $0 | +92.8 | +0.52% | $0.00 | 17.9K | Aug 29, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Represents dividend equivalent units accrued on unvested or deferred restricted stock units ("RSUs"). |
| F2 | Includes unvested or deferred restricted stock units ("RSUs") and amounts accrued for dividend equivalent units on such RSUs. |