Vitalone Britt J. 4

What Happened Britt J. Vitalone, Executive Vice President & Chief Financial Officer of McKesson Corp (MCK), had performance stock units (PSUs) vest and settle on 2026-05-19. She was awarded/received 8,979 shares (reporting code A, $0.00 per share). To satisfy tax withholding related to the settlement (reporting code F), 3,338 shares were withheld/treated as disposed at an indicated value of $761.89 per share, totaling $2,543,189.

Key Details

• Transaction date: 2026-05-19 (reported on Form 4 filed 2026-05-21). Filing was within the normal two-business-day window.
• Awarded: 8,979 shares (code A) at $0.00 — represents settlement of PSUs that vested (see footnote F1).
• Shares withheld/disposed: 3,338 shares (code F) at $761.89 each, netting $2,543,189 to cover taxes (see footnote F2).
• Shares owned after the transaction: Not disclosed on this Form 4.
• Footnotes: F1 = PSU settlement upon attainment of performance goals; F2 = withholding of shares to cover taxes on the PSU settlement.
• Transaction types explained: A = award/grant (receipt of shares); F = tax withholding (shares surrendered to cover tax obligations).

Context This was a settlement of performance-based equity (PSUs), not an open-market purchase or sale for cash. Withholding shares to cover taxes is a routine administrative step when restricted or performance shares vest and does not itself indicate a separate market sale by the insider.