Honest Company, Inc.

Insider Trading Arrangements

The table below shows the contracts, instructions or written plans adopted orterminated during the quarter ended December 31, 2025 providing for the purchase and/or sale of the Company's securities by the Company’s directors and officers (as defined in Rule 16a-1(f) under the Exchange Act):

(1) Contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule10b5-1(c) under the Exchange Act.

(2) Non-Rule Rule 10b5-1 trading arrangement as defined in Item 408(c) of Regulation S-K under the Exchange Act.

(3) Each 10b5-1 trading plan terminates on the earlier of: (i) the expiration date listed in the table above; (ii) the first date on which all trades set forth in such 10b5-1 trading plan have been executed; or (iii) such date when the 10b5-1 trading plan is otherwise terminated according to its terms.

During the year ended December 31, 2025, Curtiss Bruce, our Chief Financial Officer, entered into a sell-to-cover arrangement adopted pursuant to Rule 10b5-1 on August 24, 2025 and Etienne von Kunssberg, our Senior Vice President, Supply Chain, entered into a sell-to-cover arrangement adopted pursuant to Rule 10b5-1 on June 16, 2025. The sell-to-cover arrangements adopted pursuant to Rule 10b5-1 authorized the pre-arranged sale of shares to satisfy tax withholding obligations of the Company arising exclusively from the vesting of time-vesting or performance-vesting restricted stock units and the related issuance of shares of common stock. The amount of shares of common stock to be sold to satisfy the Company’s tax withholding obligations under this arrangement is dependent on future events which cannot be known at this time, including the future trading price of Company's shares of common stock. The expiration date relating to the arrangement is dependent on future events which cannot be known at this time, including the final vest date of the applicable time-vesting or performance-vesting restricted stock units and the officer’s termination of service.