HSIC · Henry Schein Inc

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

This amendment to the Form 4 filed on May 22, 2026 is being filed solely to correct the transaction date for the gift of shares reported in Table I. The gift was originally reported as occurring on May 21, 2026, but was subsequently confirmed to have been processed and completed on May 26, 2026. The reporting person ceased to be a director of the Issuer subject to Section 16 effective immediately following the Issuer's annual meeting of stockholders on May 21, 2026, as indicated by the checked Box on this Form 4/A.

Gift, not applicable.

Gift, not applicable.

Gift, not applicable.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 16, 2022 grant of time-based restricted stock units.

Gift, not applicable.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 16, 2022 grant of time-based restricted stock units.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 16, 2022 grant of time-based restricted stock units.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 16, 2022 grant of time-based restricted stock units.

Includes shares of Issuer's common stock held in joint tenancy with reporting person's spouse.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 16, 2022 grant of time-based restricted stock units.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 16, 2022 grant of time-based restricted stock units.

Gift, not applicable.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 16, 2022 grant of time-based restricted stock units.

Gift, not applicable.

Grant of restricted stock units pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, (i) 50% will vest on the third anniversary of the grant date upon Issuer's achievement of specified performance goals ("PSUs") and (ii) 50% will vest ratably on each of the first four anniversaries of the grant date ("RSUs"), in each case subject to continued service through the applicable vesting date. The payout for PSUs scale with performance, ranging from 0% to a maximum of 200%.

The transfer of shares in this transaction represents the decanting of the shares by the Bergman Family Trust #2 to a related trust.

Represents (i) 70,514 shares held by the Bergman Family 2010 Trust #2, of which Mrs. Bergman, Stanley M. Bergman's wife, is a co-trustee and a beneficiary; (ii) 21 shares held by Mrs.Bergman; and (iii) 309,456 shares held by the Bergman Family 2010 Trust #2, LLC, of which Mrs. Bergman is a manager.

Gift, not applicable.

Includes shares of Issuer's common stock held in joint tenancy with reporting person's spouse.

Grant of restricted stock units pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, (i) 50% will vest on the third anniversary of the grant date upon Issuer's achievement of specified performance goals ("PSUs") and (ii) 50% will vest ratably on each of the first four anniversaries of the grant date ("RSUs"), in each case subject to continued service through the applicable vesting date. The payout for PSUs scale with performance, ranging from 0% to a maximum of 200%.

Includes shares of Issuer's common stock held in joint tenancy with reporting person's spouse.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Grant of restricted stock units pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, (i) 50% will vest on the third anniversary of the grant date upon Issuer's achievement of specified performance goals ("PSUs") and (ii) 50% will vest ratably on each of the first four anniversaries of the grant date ("RSUs"), in each case subject to continued service through the applicable vesting date. The payout for PSUs scale with performance, ranging from 0% to a maximum of 200%.

Gift, not applicable.

Includes shares of Issuer's common stock held in joint tenancy with reporting person's spouse.

The balance in Column 5 reflects the transfer of 600 shares on March 6, 2026 held by Mark Mlotek (in joint tenancy with his spouse) to trusts for the benefit of family members where Mr. Mlotek is the trustee (the "March 6 Transfer").

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

On February 26, 2026, KKR Hawaii Aggregator L.P. entered into a total return swap (the "Swap") with a third-party financial counterparty. On March 6, 2026, the initial hedge period was completed, and the number of notional shares of Common Stock covered by the Swap was set at 918,723 shares of Common Stock and the notional price per share was determined to be $80.55.

Pursuant to the Swap, KKR Hawaii Aggregator L.P. has the right to acquire, and the counterparty has the obligation to deliver to KKR Hawaii Aggregator L.P., an aggregate of 918,723 shares of Common Stock. Upon such acquisition and settlement of shares of Common Stock, such shares of Common Stock would be directly held by KKR Hawaii Aggregator L.P. KKR Hawaii Aggregator GP LLC is the general partner of KKR Hawaii Aggregator L.P. KKR North America Fund XIII SCSp is the sole member of KKR Hawaii Aggregator GP LLC. KKR Associates North America XIII SCSp is the general partner of KKR North America Fund XIII SCSp. KKR North America XIII S.a r.l. is the general partner of KKR Associates North America XIII SCSp. KKR North America XIII Holdings Limited is the sole shareholder of KKR North America XIII S.a r.l.

KKR Group Partnership L.P. is the sole shareholder of KKR North America XIII Holdings Limited. KKR Group Holdings Corp. is the general partner of KKR Group Partnership L.P. KKR Group Co. Inc. is the sole shareholder of KKR Group Holdings Corp. KKR & Co. Inc. is the sole shareholder of KKR Group Co. Inc. KKR Management LLP is the Series I preferred stockholder of KKR & Co. Inc. Messrs. Henry R. Kravis and George R. Roberts are the founding partners of KKR Management LLP.

Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.

Grant of restricted stock units pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, (i) 50% will vest on the third anniversary of the grant date upon Issuer's achievement of specified performance goals ("PSUs") and (ii) 50% will vest ratably on each of the first four anniversaries of the grant date ("RSUs"), in each case subject to continued service through the applicable vesting date. The payout for PSUs scale with performance, ranging from 0% to a maximum of 200%.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Grant of restricted stock units pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, (i) 50% will vest on the third anniversary of the grant date upon Issuer's ahievement of specified performance goals ("PSUs") and (ii) 50% will vest ratably on each of the first four anniversaries of the grant date ("RSUs"), in each case subject to continued service through the applicable vesting date. The payout for PSUs scale with performance, ranging from 0% to a maximum of 200%.

Grant of restricted stock units pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, (i) 50% will vest on the third anniversary of the grant date upon Issuer's achievement of specified performance goals ("PSUs") and (ii) 50% will vest ratably on each of the first four anniversaries of the grant date ("RSUs"), in each case subject to continued service through the applicable vesting date. The payout for PSUs scale with performance, ranging from 0% to a maximum of 200%.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Grant of restricted stock units pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, (i) 50% will vest on the third anniversary of the grant date upon Issuer's achievement of specified performance goals ("PSUs") and (ii) 50% will vest ratably on each of the first four anniversaries of the grant date ("RSUs"), in each case subject to continued service through the applicable vesting date. The payout for PSUs scale with performance, ranging from 0% to a maximum of 200%.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2024 Stock Incentive Plan.

Subject to certain exceptions, the options will vest ratably on each of the first four anniversaries of the grant date subject to reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Acquired pursuant to the Issuer's 2023 Non-Employee Director Stock Incentive Plan. Subject to certain exceptions, such restricted stock units will vest subject to (i) the passage of a specified period of time (12-months cliff vesting) and (ii) the reporting person's continued performance of services for the Issuer.

Gift, not applicable.

Includes shares of Issuer's common stock held in joint tenancy with reporting person's spouse.

The balance in Column 5 reflects the transfer of 900 shares on March 5, 2026 held by Mark Mlotek (in joint tenancy with his spouse) to trusts for the benefit of family members where Mr. Mlotek is the trustee (the "March 5 Transfer").

Includes shares of Issuer's common stock held in joint tenancy with reporting person's spouse.

Includes shares of Issuer's common stock held in joint tenancy with reporting person's spouse.

Grant of a sign-on equity-based award to Frederick M. Lowery, pursuant to his Employment Agreement dated January 10, 2026, issued in the form of restricted stock units ("RSUs") pursuant to the Issuer's 2024 Stock Incentive Plan. Subject to certain exceptions, the RSUs will vest in three equal installments on each of the first, second and third anniversary of the grant date, subject to reporting person's continued performance of services for the Issuer.

The price reflects a weighted average of sales made at prices ranging from $81.28 to $81.38 per share. The Reporting Person, upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, will provide full information regarding the number of shares sold at each separate price for this transaction.

Represents (i) 74,326 shares held by the Bergman Family 2010 Trust #2, of which Mrs. Bergman, Stanley M. Bergman's wife, is a co-trustee and a beneficiary; (ii) 21 shares held by Mrs.Bergman; and (iii) 309,456 shares held by the Bergman Family 2010 Trust #2, LLC, of which Mrs. Bergman is a manager.

The price reflects a weighted average of sales made at prices ranging from $81.28 to $81.38 per share. The Reporting Person, upon request by the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, will provide full information regarding the number of shares sold at each separate price for this transaction.

Represents (i) 74,326 shares held by the Bergman Family 2010 Trust #2, of which Mrs. Bergman, Stanley M. Bergman's wife, is a co-trustee and a beneficiary; (ii) 21 shares held by Mrs.Bergman; and (iii) 329,410 shares held by the Bergman Family 2010 Trust #2, LLC, of which Mrs. Bergman is a manager.

Represents the surrender of shares to the Issuer to satisfy the reporting person's tax withholding obligation upon the vesting of the reporting person's March 1, 2023 grant of performance-based restricted stock/units. (Actual vesting date of March 1, 2026 was a non-business day so vesting occurred on the preceding business day.)