X0609 4 2026-10-13 0 0001865107 A.K.A. BRANDS HOLDING CORP. AKA 0002052034 Grant Kevin J. false 100 MONTGOMERY STREET, SUITE 2270 SAN FRANCISCO CA 94104 0 1 0 0 CHIEF FINANCIAL OFFICER 0 Common Stock, $0.001 par value per share 2026-10-13 4 M 0 1703 10.28 A 89267 D Common Stock, $0.001 par value per share 2026-10-13 4 F 0 570 10.28 D 88697 D Restricted Stock Units 2026-10-13 4 M 0 1703 D Common Stock, $0.001 par value per share 1703 27475 D Each Restricted Stock Unit ("RSU") was issued under the a.k.a. Brands Holding Corp. 2021 Omnibus Incentive Plan and represents a contingent right to receive one share of common stock, par value $0.001 per share, of a.k.a. Brands Holding Corp. The reporting person's RSUs were granted on January 13, 2025 and vested on October 13, 2026. The price reported in Column 4 is the closing price of the Issuer's common stock on the New York Stock Exchange on October 13, 2026. Shares withheld by issuer to satisfy tax withholding obligations upon vesting of restricted stock units; not an open market transaction. /s/ Kevin J. Grant 2026-10-15