LEAHY CHRISTINE A 4

What Happened

• Christine A. Leahy, Chair, President and Chief Executive Officer of CDW Corp (CDW), received 363.77 shares as dividend equivalents tied to outstanding restricted stock unit (RSU) awards (reported as an award/acquisition).
• To satisfy tax withholding on the RSU settlement, 4,872.52 shares were withheld/disposed at $118.91 per share, totaling $579,391.

Key Details

• Transaction dates: Award recorded 2026-03-10; tax withholding/shares withheld recorded 2026-03-12. Filing date: 2026-03-12 (reporting period 2026-03-10).
• Award detail: 363.77 shares acquired at $0.00 (dividend equivalents on outstanding RSUs) — footnote F1.
• Withholding detail: 4,872.52 shares withheld at $118.91/share, proceeds $579,391 — footnote F2 (shares withheld to cover taxes incurred on RSU settlement).
• Ownership note: Some reported holdings are indirectly held through a family trust — footnote F3.
• Filing timeliness: Form 4 was filed on 2026-03-12 reporting transactions from 3/10 and 3/12; the filing appears to be timely (no late‑filing flag noted).

Context

• This was an RSU settlement and associated tax withholding (a cashless/net settlement), not an open-market sale — withholding is routine to cover tax liabilities and does not necessarily signal a change in insider sentiment.
• Dividend equivalents are additional shares credited under prior long-term incentive awards (2021 Long-Term Incentive Plan), not a new cash purchase or option exercise.