X0609 4 2026-08-17 0 0000817720 SYNAPTICS Inc SYNA 0002014632 Song Esther false 1109 MCKAY DRIVE SAN JOSE CA 95131 0 1 0 0 See Remarks 1 Common Stock 2026-08-17 4 A 0 4711 0 A 16092 D Common Stock 2026-08-17 4 F 0 972 110.58 D 15120 D Common Stock 2026-08-18 4 S 0 177 102.73 D 14943 D Common Stock 2026-08-18 4 S 0 96 103.55 D 14847 D Common Stock 2026-08-18 4 S 0 164 104.78 D 14683 D One-third of the total number of restricted stock units shall vest on the first anniversary date following the vesting commencement date of August 17, 2026, and one-twelfth of the total number of restricted stock units shall vest each quarter thereafter until fully vested on August 17, 2029. Represents shares of common stock withheld by the Issuer to satisfy certain tax withholding obligations associated with the settlement of restricted stock units and performance stock units. The shares were sold pursuant to a 10b5-1 Trading Plan dated February 26, 2026. The reported price is a weighted average. These shares were sold in multiple transactions at prices ranging from $102.31 to $103.30, inclusive. The reporting person undertakes to provide to Synaptics Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The reported price is a weighted average. These shares were sold in multiple transactions at prices ranging from $103.32 to $103.62, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The reported price is a weighted average. These shares were sold in multiple transactions at prices ranging from $104.67 to $104.85, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The reporting person is Vice President and Corporate Controller. /s/ Pamela Fields, as attorney-in-fact 2026-08-19