X0609 4 2026-08-20 0 0001530979 Honest Company, Inc. HNST 0002058480 von Kunssberg Etienne false 12130 MILLENNIUM DRIVE SUITE 500 LOS ANGELES CA 90094 0 1 0 0 SVP, Supply Chain 1 Common Stock 2026-08-20 4 S 0 2617 4.99 D 282296 D Common Stock 2026-08-20 4 A 0 105799 0 A 388095 D Common Stock 2026-08-21 4 S 0 4578 5.01 D 383517 D Pursuant to the approved sell-to-cover plan by the Compensation Committee for all executive officers, shares were sold solely to cover the associated tax liability upon the vesting of a previously granted award of Restricted Stock Units (RSUs). Includes 277,718 RSUs which are payable in an equivalent number of shares of the Issuer's common stock. The RSUs shall vest over a three-year period, with 50% of the RSUs vesting on February 19, 2028, and the remainder vesting on August 19, 2029, in each case subject to the reporting person's Continuous Service (as defined in the Issuer's 2021 Equity Incentive Plan) through each such date. The RSUs are payable in an equivalent number of shares of the Issuer's common stock. Includes 383,517 RSUs which are payable in an equivalent number of shares of the Issuer's common stock. /s/ Brendan Sheehey, Attorney-in-Fact 2026-08-24