Sunrun (RUN) CEO Mary Powell reports PRSU awards and tax-cover stock sale

Rhea-AI Filing Summary

Sunrun Inc. Chief Executive Officer Mary Powell reported a mix of stock awards and a small share sale. On February 27, 2026, she acquired 14,065, 35,192, and 221,334 shares of common stock at a price of $0.00 per share through performance-based restricted stock unit grants and certifications tied to prior awards.

The performance criteria for these PRSUs were certified as attained on February 27, 2026, with 100% of the April 10, 2023 and May 29, 2024 grants scheduled to vest on April 6, 2026, subject to continued service. On March 2, 2026, Powell sold 5,357 shares of common stock in an open-market transaction at a weighted average price of $12.3342 per share to cover tax obligations from vested restricted stock units. Following the reported transactions, she held 1,130,180 shares directly, including 819,694 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^*

Powell Mary

(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
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

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)		14,065	A	$0	879,011	D
Common Stock	02/27/2026		A(2)		35,192	A	$0	914,203	D
Common Stock	02/27/2026		A(3)		221,334	A	$0	1,135,537	D
Common Stock	03/02/2026		S(4)		5,357	D	$12.3342(5)	1,130,180(6)	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 August 31, 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 14,065 shares of the Issuer's Common Stock.

2. On April 10, 2023, the Reporting Person was granted PRSUs. Each PRSU represents a contingent right to receive a share of the Issuer's Common Stock upon settlement. 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 were met and 35,192 PRSUs were certified as attained on February 27, 2026. 100% of the PRSUs shall vest and become shares of the Issuer's Common Stock on April 6, 2026 , subject to the Reporting Person's continued service through the vesting date.

3. On May 29, 2024, the Reporting Person was granted PRSUs. Each PRSU represents a contingent right to receive a share of the Issuer's Common Stock upon settlement. 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 were met and 221,334 PRSUs were certified as attained on February 27, 2026. 100% of the PRSUs shall vest and become shares of the Issuer's Common Stock on April 6, 2026, subject to the Reporting Person's continued service through the vesting date.

4. Shares sold to cover tax obligation from settlement of vested restricted stock units.

5. Price represents the weighted average sale price of the shares sold. The sale price ranged from $12.15 to $12.65 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

6. Shares held following the reported transaction include 819,694 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 transactions did Sunrun (RUN) CEO Mary Powell report on this Form 4?

Mary Powell reported three stock award acquisitions and one stock sale. She received multiple performance-based restricted stock unit grants and certifications, then sold 5,357 shares of Sunrun common stock in an open-market transaction primarily to cover tax obligations from vested restricted stock units.

How many Sunrun (RUN) shares did CEO Mary Powell sell, and at what price?

Mary Powell sold 5,357 shares of Sunrun common stock. The weighted average sale price was about $12.3342 per share, with individual trades ranging from $12.15 to $12.65. These shares were sold specifically to satisfy tax obligations from the settlement of vested restricted stock units.

What stock awards did Sunrun (RUN) grant or certify for CEO Mary Powell?

Powell was credited with 14,065, 35,192, and 221,334 shares tied to performance-based restricted stock units. These PRSUs were granted in 2021, 2023, and 2024, with performance criteria certified as attained on February 27, 2026, converting them into rights to receive Sunrun common shares.

When will Mary Powell’s 2023 and 2024 Sunrun (RUN) PRSUs vest into shares?

The April 10, 2023 and May 29, 2024 PRSUs were certified as attained on February 27, 2026. According to the award terms, 100% of these certified PRSUs are scheduled to vest and become Sunrun common stock on April 6, 2026, if she remains in service.

How many Sunrun (RUN) shares and units does CEO Mary Powell hold after these transactions?

After the reported transactions, Powell directly held 1,130,180 Sunrun common shares. This amount includes 819,694 restricted stock units, which represent rights to receive shares in the future and are still subject to forfeiture until they vest under the applicable award terms.

Were Mary Powell’s Sunrun (RUN) share sales part of a discretionary sale or tax-related?

The Form 4 footnotes state the 5,357 shares sold on March 2, 2026 were disposed of to cover tax obligations. These obligations arose from the settlement of vested restricted stock units, indicating the sale was linked to tax withholding rather than a purely discretionary portfolio decision.