SYNAPTICS Inc

Insider Trading Arrangements

During the fiscal quarter ended December 28, 2024, the following directors or officers of the Company (as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934)adopted, terminated or modified a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K), as follows:

• Intended to satisfy the affirmative defense of Rule 10b5-1(c).

** Not intended to satisfy the affirmative defense of Rule 10b5-1(c).

(1) The aggregate number of RSU Shares that will be available for sale under the Plan is not yet determinable because the shares available will be net of shares sold to satisfy tax withholding obligations that arise in connection with the vesting and settlement of such RSU awards. Additionally, certain provisions within the Plan specify a certain percentage of the net shares that can be sold at the vesting date of the underlying equity award. As such, for purposes of this disclosure, the shares included in this table reflect the aggregate maximum number of shares underlying the holders of the equity awards without excluding (i) the shares that will be sold to satisfy the tax withholding obligations and (ii) any limitations on the amount of net shares that can be sold on the vesting date of the equity award.