Sunrun Inc. — Director's Dealing 2026

Mar 4, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Sunrun Inc. (RUN)
CIK: 0001469367
Period of Report: 2026-02-27

Reporting Person: Powell Mary (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-27	Common Stock	A	14065	—	Acquired	879011	Direct
2026-02-27	Common Stock	A	35192	—	Acquired	914203	Direct
2026-02-27	Common Stock	A	221334	—	Acquired	1135537	Direct
2026-03-02	Common Stock	S	5357	$12.3342	Disposed	1130180	Direct

Footnotes

F1: 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.

F2: 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.

F3: 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.

F4: Shares sold to cover tax obligation from settlement of vested restricted stock units.

F5: 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.

F6: Shares held following the reported transaction include 819,694 restricted stock units, which are subject to forfeiture until they vest.