X0609 4 2026-10-20 0 0000817720 SYNAPTICS Inc SYNA 0001785783 Patel Rahul G. false 1109 MCKAY DRIVE SAN JOSE CA 95131 1 1 0 0 See remarks below 1 Common Stock 2026-10-20 4 S 0 4302 117.55 D 177236 D The shares were sold pursuant to 10b5-1 Trading Plan dated September 4, 2025. The reported price is a weighted average. These shares were sold in multiple transactions at prices ranging from $117.33 to $118.01, 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 reporting person is President, Chief Executive Officer and Principal Financial Officer. /s/ Pamela Fields, as attorney-in-fact 2026-10-21