Sunrun (RUN) director Fenster gains 5,570 shares from performance RSU vesting

Rhea-AI Filing Summary

Sunrun Inc. director Edward Harris Fenster acquired 5,570 shares of common stock through the vesting of previously granted performance-based restricted stock units. The PRSUs were granted on March 4, 2021 and vested after performance criteria for the period ending December 31, 2025 were certified on February 27, 2026. Following this grant/award acquisition, he holds 1,559,465 shares of common stock, including 3,184 restricted stock units that remain subject to forfeiture until they vest.

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^*

Fenster Edward Harris

(Last) (First) (Middle)

600 CALIFORNIA STREET, SUITE 1800

(Street)

SAN FRANCISCO CA 94108

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Sunrun Inc. [ RUN ]

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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	02/27/2026		A(1)		5,570	A	$0	1,559,465(2)	D

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. On March 4, 2021, the Reporting Person was granted performance-based restricted stock units ("PRSUs"). Each PRSU represents a contingent right to receive a share of the Issuer's Common Stock upon settlement. The PRSUs vest on the date that the Compensation Committee of the Issuer's Board of Directors certifies attainment, based on the Issuer's satisfaction of certain performance criteria. The performance criteria for the measurement period ending December 31, 2025 were met and certified on February 27, 2026, resulting in the issuance of 5,570 shares of the Issuer's Common Stock

2. Shares held following the reported transactions include 3,184 restricted stock units, which are subject to forfeiture until they vest.

Remarks:

	/s/ Jeanna Steele, Attorney-in-Fact	03/03/2026
	** 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 Sunrun (RUN) director Edward Harris Fenster report?

Edward Harris Fenster reported acquiring 5,570 Sunrun common shares via vesting of performance-based restricted stock units. These PRSUs were granted in 2021 and became issuable once the company’s performance criteria for the period ending December 31, 2025 were certified on February 27, 2026.

How many Sunrun (RUN) shares does Edward Harris Fenster own after this Form 4?

After the reported transaction, Edward Harris Fenster beneficially owns 1,559,465 Sunrun common shares. This total includes 3,184 restricted stock units that are still subject to forfeiture until they vest, meaning a portion of his reported holdings remains contingent on future vesting conditions.

What are the performance-based RSUs mentioned in the Sunrun (RUN) Form 4 filing?

The performance-based restricted stock units (PRSUs) are awards granted on March 4, 2021, each representing a right to receive one Sunrun share upon settlement. They vest only after the compensation committee certifies the company met specified performance criteria for the measurement period ending December 31, 2025.

When were the performance criteria met for Edward Harris Fenster’s Sunrun (RUN) PRSUs?

The performance criteria for Edward Harris Fenster’s PRSUs, covering the period ending December 31, 2025, were certified as met on February 27, 2026. That certification triggered the issuance of 5,570 Sunrun common shares underlying the previously granted performance-based restricted stock units.

Does Edward Harris Fenster pay cash for the Sunrun (RUN) shares acquired in this Form 4?

The 5,570 Sunrun shares were issued at a reported price per share of $0.0000, indicating they were received through vesting of equity awards rather than a cash purchase. This reflects a grant/award acquisition linked to prior PRSU grants and company performance certification.

What portion of Edward Harris Fenster’s Sunrun (RUN) holdings remain unvested?

Of Edward Harris Fenster’s 1,559,465 reported Sunrun shares, 3,184 are restricted stock units that are still subject to forfeiture. These RSUs will only become fully earned and non-forfeitable if their vesting conditions are satisfied in the future according to award terms.