| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CLARIZIO LYNDA M | Director | C/O CDW CORPORATION, 200 N MILWAUKEE AVE, VERNON HILLS | /s/ Debra Wasserman, Attorney-in-Fact | 17 Dec 2025 | 0001660318 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CDW | Common Stock, par value $0.01 | Gift | $0 | -345 | -2.4% | $0.000000 | 14,110 | 15 Dec 2025 | Direct |