X0609 4 2026-05-13 0 0001463101 Enphase Energy, Inc. ENPH 0001543816 Kortlang Benjamin John false C/O ENPHASE ENERGY, INC. 47281 BAYSIDE PARKWAY FREMONT CA 94538 1 0 0 0 0 Common Stock 2026-05-13 4 A 0 5952 0 A 14059 D Common Stock 2614 I Joint Trust Common Stock 101796 I GRAT 1 Common Stock 101795 I GRAT 2 Restricted stock units ("RSUs") issued pursuant to the 2021 Equity Incentive Plan (the "2021 Plan"). RSUs vest in four equal quarterly installments from the grant date, such that the total RSUs are fully vested on the earlier of (i) the one-year anniversary of the date of grant or (ii) the date of the Issuer's next annual meeting of stockholders, subject to the Reporting Person's Continuous Service (as defined in the 2021 Plan) through each applicable vesting date. Represents shares previously owned directly by the reporting person that were contributed to grantor retained annuity trust ("GRAT 1"). Represents shares previously owned directly by the reporting person that were contributed to grantor retained annuity trust ("GRAT 2"). /s/ Lisan Hung, Attorney-in-Fact for Benjamin Kortlang 2026-05-15