X0508 4 2023-12-22 0 0001000228 HENRY SCHEIN INC HSIC 0001008413 BERGMAN STANLEY M C/O HENRY SCHEIN, INC. 135 DURYEA ROAD MELVILLE NY 11747 1 1 0 0 Chairman, CEO 1 Common Stock, par value $0.01 per share 2023-12-22 4 S 0 26190 75.03 D 182595 D Common Stock, par value $0.01 per share 2023-12-22 4 S 0 10914 75.03 D 487270 I By Spouse Common Stock, par value $0.01 per share 2023-12-26 4 S 0 13962 75.14 D 168633 D Common Stock, par value $0.01 per share 2023-12-26 4 S 0 5820 75.14 D 481450 I By Spouse Common Stock, par value $0.01 per share 9553 I by 401(k) plan The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 8, 2023. The price reflects a weighted average of sales made at prices ranging from $75.00 to $75.25 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) 133,822 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) 180 shares held by Mrs. Bergman; (iii) 329,410 shares held by the Bergman Family 2010 Trust #2, LLC, of which Mrs. Bergman is a manager; and (iv) 23,858 shares held by the SBMB GST Trusts Partners LLC, of which Mrs. Bergman is a manager. The price reflects a weighted average of sales made at prices ranging from $75.00 to $75.26 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) 128,002 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) 180 shares held by Mrs. Bergman; (iii) 329,410 shares held by the Bergman Family 2010 Trust #2, LLC, of which Mrs. Bergman is a manager; and (iv) 23,858 shares held by the SBMB GST Trusts Partners LLC, of which Mrs. Bergman is a manager. Reflects the reporting person's interest in equivalent shares of Henry Schein common stock held by the unitized stock fund in the Henry Schein, Inc. 401(k) Savings Plan (the "Plan"). The unitized stock fund consists of Henry Schein common stock and cash or cash equivalents. The number of shares attributed to the reporting person as a participant in the Plan and expressed as equivalent shares has been calculated based on the closing price of Henry Schein common stock on December 22, 2023. /s/ Jennifer Ferrero (as Attorney-in-Fact for Stanley M. Bergman) 2023-12-27