| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| LEAHY CHRISTINE A | Chair, President and Chief Executive Officer, Director | C/O CDW CORPORATION, 200 N. MILWAUKEE AVE, VERNON HILLS | /s/ Debra Wasserman, Attorney-in-Fact | 18 Feb 2026 | 0001215336 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CDW | Common Stock, par value $0.01 | Award | $0 | +13,847 | +9.5% | $0.000000 | 159,144 | 13 Feb 2026 | Direct | F1 |
| transaction | CDW | Common Stock, par value $0.01 | Disposed to Issuer | $781,267 | -6,158 | -3.9% | $126.86 | 152,985 | 13 Feb 2026 | Direct | F2 |
| holding | CDW | Common Stock, par value $0.01 | 17,250 | 13 Feb 2026 | By the Christine A. Leahy Gift Trust | F3 |
| Id | Content |
|---|---|
| F1 | Represents shares acquired upon the vesting of performance shares previously granted to the reporting person. |
| F2 | Represents shares withheld to cover taxes incurred in connection with the vesting of performance shares. |
| F3 | These shares are indirectly held through a family trust. |
Chair, President and Chief Executive Officer