Enphase Energy (ENPH) grants VP 10,560 performance-based stock units

Rhea-AI Filing Summary

Enphase Energy VP and Chief Accounting Officer Mary Erginsoy reported an equity award rather than an open-market trade. On January 22, 2026, she was credited with 10,560 shares of Enphase common stock at a price of $0 per share, reflecting performance-based stock units that were originally granted on January 14, 2025 under the company’s 2021 Equity Incentive Plan.

The award was certified by Enphase’s Compensation Committee based on achievement of specified performance criteria and is scheduled to vest on March 1, 2026, as long as she continues in service through that date. Following this award, she beneficially owns 28,619 shares directly. Separately, 9,669 shares are held indirectly by the Erginsoy Family Trust, where she serves as a trustee, reflecting an additional layer of insider ownership through a related entity.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a 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). See Instruction 10.

1. Name and Address of Reporting Person^*

Erginsoy Mary

(Last) (First) (Middle)

47281 BAYSIDE PARKWAY

(Street)

FREMONT CA 94538

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Enphase Energy, Inc. [ ENPH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Chief Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/22/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/22/2026		A		10,560	A(1)	$0	28,619(2)	D
Common Stock								9,669	I	By Trust(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares earned as a result of the achievement of certain performance criteria, pursuant to a performance-based stock unit award originally granted on January 14, 2025 under the Issuer's2021 Equity Incentive Plan, and certified by the Issuer's Compensation Committee of the Board of Directors on January 22, 2026. The shares are scheduled to vest on March 1, 2026, subject to Ms. Erginsoy's continuous service through such date.

2. Balance includes a non-reportable acquisition of 420 shares purchased through the Company's 2011 Employee Stock Purchase Plan on May 15, 2025

3. Shares are held in the Erginsoy Family Trust, in which the Reporting Person is a trustee.

Remarks:

	Lisan Hung, Attorney-in-Fact for Mary Erginsoy	01/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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FAQ

What insider transaction did Enphase Energy (ENPH) report for Mary Erginsoy?

Enphase Energy’s VP and Chief Accounting Officer, Mary Erginsoy, reported an acquisition of 10,560 shares of common stock on January 22, 2026. The shares were credited at a price of $0 per share as part of an equity award, not an open-market purchase.

What is the source of the 10,560 Enphase (ENPH) shares reported in this Form 4?

The 10,560 shares represent stock earned under a performance-based stock unit award originally granted on January 14, 2025 under Enphase’s 2021 Equity Incentive Plan. The Compensation Committee certified the performance achievement on January 22, 2026, triggering the share award.

When do the newly awarded Enphase (ENPH) shares to Mary Erginsoy vest?

The shares awarded to Mary Erginsoy are scheduled to vest on March 1, 2026, subject to her continuous service with Enphase Energy through that date, as described in the filing’s footnotes.

How many Enphase (ENPH) shares does Mary Erginsoy own after this transaction?

After the reported transaction, 28,619 shares of Enphase common stock are listed as directly beneficially owned by Mary Erginsoy. In addition, 9,669 shares are held indirectly by the Erginsoy Family Trust, where she serves as a trustee.

What is the role of the Erginsoy Family Trust in this Enphase (ENPH) Form 4 filing?

The filing notes that 9,669 shares of Enphase common stock are held by the Erginsoy Family Trust, and the reporting person is a trustee. These shares are reported as indirectly owned, separate from her directly held 28,619 shares.

Was there any cash consideration involved in the Enphase (ENPH) insider award reported?

No cash purchase is shown. The 10,560 shares were acquired at a reported price of $0 per share as part of a performance-based equity award under Enphase Energy’s 2021 Equity Incentive Plan.