X0609 4 2026-08-01 0 0001997859 WEBTOON Entertainment Inc. WBTN 0001605182 Lee David J. false 222 N. PACIFIC COAST HIGHWAY SUITE 2300 EL SEGUNDO CA 90245 1 1 0 0 See Remarks 0 Common Stock 2026-08-01 4 F 0 2954 9.12 D 218632 D Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of the Reporting Person's equity awards, previously reported on a Form 3, and does not represent a sale by the Reporting Person. Chief Financial Officer and Director /s/ Maximilian Jo, as Attorney-in-Fact for David J. Lee 2026-08-03