As of September 09, 2026, the three largest insider holders of CDW are Christine A Leahy (Director, 193.66K shares), Christina M Corley (Officer, 75.29K shares), David W Nelms (Director, 51.42K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Christine A Leahy | Director, Officer | 193,655 | 0 | 193,655 | 26.9% | 12 Jun, 2026 |
| 2 | Christina M Corley | Officer | 75,294 | 0 | 75,294 | 10.4% | 12 Sep, 2024 |
| 3 | David W Nelms | Director | 51,415 | 0 | 51,415 | 7.1% | 06 Jul, 2026 |
| 4 | Albert Joseph Jr Miralles | Officer | 47,344 | 0 | 47,344 | 6.6% | 12 Jun, 2026 |
| 5 | Frederick J. Kulevich | Officer | 44,640 | 0 | 44,640 | 6.2% | 12 Jun, 2026 |
| 6 | Elizabeth H. Connelly | Officer | 34,215 | 0 | 34,215 | 4.7% | 11 Aug, 2026 |
| 7 | Hang Tan | Officer | 33,967 | 0 | 33,967 | 4.7% | 12 Jun, 2026 |
| 8 | Collin B. Kebo | Officer | 29,710 | 0 | 29,710 | 4.1% | 18 Aug, 2021 |
| 9 | Sona Chawla | Officer | 28,153 | 0 | 28,153 | 3.9% | 12 Dec, 2025 |
| 10 | James A Bell | Director | 26,247 | 0 | 26,247 | 3.6% | 12 Mar, 2026 |
| 11 | Katherine Elizabeth Sanderson | Officer | 24,499 | 0 | 24,499 | 3.4% | 12 Jun, 2026 |
| 12 | Donna F Zarcone | Director | 22,958 | 0 | 22,958 | 3.2% | 12 Mar, 2026 |
| 13 | Mukesh Kumar | Officer | 20,530 | 0 | 20,530 | 2.8% | 19 Aug, 2026 |
| 14 | Joseph Swedish | Director | 19,994 | 0 | 19,994 | 2.8% | 12 Jun, 2026 |
| 15 | Virginia C. Addicott | Director | 18,593 | 0 | 18,593 | 2.6% | 12 Jun, 2026 |
| 16 | Paul J Finnegan | Director | 16,305 | 0 | 16,305 | 2.3% | 14 Mar, 2023 |
| 17 | Lynda M Clarizio | Director | 15,741 | 0 | 15,741 | 2.2% | 12 Jun, 2026 |
| 18 | Peter R Locy | Officer | 5,921 | 0 | 5,921 | 0.8% | 12 Jun, 2026 |
| 19 | Marc Ellis Jones | Director | 4,513 | 0 | 4,513 | 0.6% | 12 Jun, 2026 |
| 20 | Kelly J Grier | Director | 4,062 | 0 | 4,062 | 0.6% | 12 Jun, 2026 |
| 21 | Carolyn Wiesenhahn | Officer | 1,903 | 0 | 1,903 | 0.3% | 14 Sep, 2023 |
| 22 | Ilaria Mocciaro | Officer | 1,129 | 0 | 1,129 | 0.2% | 14 Mar, 2022 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 17 Aug, 2026 | Mukesh Kumar | Officer | Disposed F | 1,147 | $139.42 | $159.96K | 20,530 | Direct |
| 07 Aug, 2026 | Elizabeth H. Connelly | Officer | Acquired M | 11,795 | $95.57 | $1.13Mn | 46,010 | Direct |
| 07 Aug, 2026 | Elizabeth H. Connelly | Officer | Acquired M | 14,900 | $98.21 | $1.46Mn | 60,910 | Direct |
| 07 Aug, 2026 | Elizabeth H. Connelly | Officer | Disposed S | 26,695 | $137.62 | $3.67Mn | 34,215 | Direct |
| 07 Aug, 2026 | Elizabeth H. Connelly | Officer | Disposed M | 11,795 | $0.00 | $0 | 0 | Direct |
| 07 Aug, 2026 | Elizabeth H. Connelly | Officer | Disposed M | 14,900 | $0.00 | $0 | 0 | Direct |
| 01 Jul, 2026 | David W Nelms | Director | Acquired A | 229 | $0.00 | $0 | 51,415 | Direct |
| 01 Jul, 2026 | Joseph Swedish | Director | Acquired A | 208 | $0.00 | $0 | 20,202 | Direct |
| 10 Jun, 2026 | Hang Tan | Officer | Acquired A | 165 | $129.30 | $21.29K | 33,967 | Direct |
| 10 Jun, 2026 | Katherine Elizabeth Sanderson | Officer | Acquired A | 65 | $129.30 | $8.44K | 24,499 | Direct |
| 10 Jun, 2026 | Virginia C. Addicott | Director | Acquired A | 90 | $129.30 | $11.66K | 18,593 | Direct |
| 10 Jun, 2026 | Marc Ellis Jones | Director | Acquired A | 22 | $129.30 | $2.83K | 4,513 | Direct |
| 10 Jun, 2026 | Frederick J. Kulevich | Officer | Acquired A | 65 | $129.30 | $8.44K | 44,640 | Direct |
| 10 Jun, 2026 | Albert Joseph Jr Miralles | Officer | Acquired A | 108 | $129.30 | $13.99K | 47,344 | Direct |
| 10 Jun, 2026 | Lynda M Clarizio | Director | Acquired A | 8 | $129.30 | $1.02K | 15,741 | Direct |
| 10 Jun, 2026 | David W Nelms | Director | Acquired A | 161 | $129.30 | $20.80K | 51,186 | Direct |
| 10 Jun, 2026 | Elizabeth H. Connelly | Officer | Acquired A | 88 | $129.30 | $11.43K | 34,215 | Direct |
| 10 Jun, 2026 | Joseph Swedish | Director | Acquired A | 31 | $129.30 | $4.00K | 19,994 | Direct |
| 10 Jun, 2026 | Anthony R Foxx | Director | Acquired A | 33 | $129.30 | $4.22K | 6,728 | Direct |
| 10 Jun, 2026 | Peter R Locy | Officer | Acquired A | 19 | $129.30 | $2.40K | 5,921 | Direct |