144 0002016592 XXXXXXXX LIVE 0001530979 The Honest Company, Inc. 001-40378 12130 Millennium Drive, #500 Los Angeles CA 90094 888-862-8818 Jonathan Mayle Officer Common stock E*Trade Securities LLC PO Box 484 Jersey City NJ 07303-0484 6077 30141.92 107284379 08/20/2026 NASDAQ Common Stock 08/19/2026 Shares acquired upon vesting of Restricted Stock Units awarded under the Issuer's 2021 Equity Incentive Plan. The Honest Company, Inc. N 22631 08/19/2026 Equity compensation N Jonathan Mayle 12130 Millennium Drive Suite 500 Los Angeles CA 90094 Common stock 08/10/2026 79000 412380 Jonathan Mayle 12130 Millennium Drive Suite 500 Los Angeles CA 90094 Common stock 05/20/2026 6236 19581.04 THE SALE PROPOSED ON THIS FORM WAS A SALE EFFECTED SOLELY TO COVER REQUIRED TAXES AND FEES DUE UPON THE VESTING AND SETTLEMENT OF RESTRICTED STOCK UNITS. 08/20/2026 /s/ Brendan Sheehey, Attorney-in-Fact