Mandy Yang - 10 Dec 2025 Form 4 Insider Report for Enphase Energy, Inc. (ENPH)

Signature
/s/ Lisan Hung, Attorney-in-Fact for Mandy Yang
Issuer symbol
ENPH
Transactions as of
10 Dec 2025
Transactions value $
-$241,310
Form type
4
Filing time
12 Dec 2025, 19:12:48 UTC
Previous filing
11 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Yang Mandy EVP, Chief Financial Officer C/O ENPHASE ENERGY, INC., 47281 BAYSIDE PARKWAY, FREMONT /s/ Lisan Hung, Attorney-in-Fact for Mandy Yang 12 Dec 2025 0001645551

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ENPH Common Stock Tax liability -$43.3K -1.32K -1.73% $32.79 75K 10 Dec 2025 Direct F1
transaction ENPH Common Stock Sale -$198K -6K -8% $33.01 69K 12 Dec 2025 Direct F2
holding ENPH Common Stock 25K 10 Dec 2025 By GRAT 1 F3
holding ENPH Common Stock 25K 10 Dec 2025 By GRAT 2 F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 Represents shares withheld by the Issuer to satisfy the tax withholding obligation associated with the vesting of a portion of the restricted stock units granted on February 15, 2022 under the Issuer's 2021 Equity Incentive Plan.
F2 The sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 2, 2025 in connection with the Reporting Person's year- end tax planning for 2025.
F3 Represents shares previously owned directly by the reporting person that were contributed to grantor retained annuity trust ("GRAT 1").
F4 Represents shares previously owned directly by the reporting person that were contributed to grantor retained annuity trust ("GRAT 2").