HENRY SCHEIN INC (HSIC) · Initial Holdings (Form 3) SEC Filing

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-05-21 --- Issuer --- Name: HENRY SCHEIN INC (HSIC) CIK: 0001000228 --- Reporting Owner --- Name: Murphy Kelly Ann CIK: 0002137307 Role: Officer (SVP & General Counsel) --- Holdings --- [Holding #1] Security: Common Stock, par value $0.01 per share Ownership: D (Direct) Footnotes: [F1] Includes 7,378 shares of Issuer's common stock held by reporting person. [F2] Also includes restricted stock units (RSU) pursuant to the Issuer's 2024 Stock Incentive Plan (formerly known as the 2020 Stock Incentive Plan). 12,205 will vest subject to (x) Issuer's achievement of a specified performance goal and (y) reporting person's continued perf. of services for the Issuer. 15,229 will vest subject to (x) passage of a specified period of time and (y) reporting person's continued perf. of services for the Issuer. With respect to the performance-based RSU, if the continued service requirement is satisfied and achievement of the perf. goal (x) exceeds 100% of target, the Issuer may issue additional vested shares of common stock in an amount that corresponds to the incremental percentage of the perf. goal achieved in excess of 100% of target or (y) is less than 100% of target, the reporting person will surrender to the Issuer shares of common stock in an amount that corresponds to the incremental percentage of the perf. goal achieved that is below 100% of target. [Holding #2] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F3] Acquired pursuant to the Issuer's 2020 Stock Incentive Plan. [F4] The options vested in three equal installments on each of the first, second and third anniversary of the grant date. [Holding #3] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F3] Acquired pursuant to the Issuer's 2020 Stock Incentive Plan. [F4] The options vested in three equal installments on each of the first, second and third anniversary of the grant date. [Holding #4] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F3] Acquired pursuant to the Issuer's 2020 Stock Incentive Plan. [F4] The options vested in three equal installments on each of the first, second and third anniversary of the grant date. --- Footnotes (Complete Index) --- F1: Includes 7,378 shares of Issuer's common stock held by reporting person. F2: Also includes restricted stock units (RSU) pursuant to the Issuer's 2024 Stock Incentive Plan (formerly known as the 2020 Stock Incentive Plan). 12,205 will vest subject to (x) Issuer's achievement of a specified performance goal and (y) reporting person's continued perf. of services for the Issuer. 15,229 will vest subject to (x) passage of a specified period of time and (y) reporting person's continued perf. of services for the Issuer. With respect to the performance-based RSU, if the continued service requirement is satisfied and achievement of the perf. goal (x) exceeds 100% of target, the Issuer may issue additional vested shares of common stock in an amount that corresponds to the incremental percentage of the perf. goal achieved in excess of 100% of target or (y) is less than 100% of target, the reporting person will surrender to the Issuer shares of common stock in an amount that corresponds to the incremental percentage of the perf. goal achieved that is below 100% of target. F3: Acquired pursuant to the Issuer's 2020 Stock Incentive Plan. F4: The options vested in three equal installments on each of the first, second and third anniversary of the grant date. --- Signature --- /s/ /s/ Jennifer Ferrero (as attorney-in-fact for Kelly Ann Murphy) (2026-05-28)