# EDGAR Filing Document

**Accession Number:** 0001469367
**File Stem:** 0001140361-26-014796
**Filing Date:** 2026-4
**Character Count:** 5007
**Document Hash:** 98c57d4599e80de2e1dcb0987a0b2d7a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-014796.hdr.sgml**: 20260415

**ACCESSION NUMBER**: 0001140361-26-014796

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260415

**DATE AS OF CHANGE**: 20260415

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Sunrun Inc.
- **CENTRAL INDEX KEY:** 0001469367
- **STANDARD INDUSTRIAL CLASSIFICATION:** MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 262841711
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37511
- **FILM NUMBER:** 26864465

**BUSINESS ADDRESS:**
- **STREET 1:** 600 CALIFORNIA STREET, SUITE 1800
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94108
- **BUSINESS PHONE:** 415-580-6900

**MAIL ADDRESS:**
- **STREET 1:** 600 CALIFORNIA STREET, SUITE 1800
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94108

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SunRun Inc.
- **DATE OF NAME CHANGE:** 20090730

#### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### SCHEDULE 14A

#### Proxy Statement Pursuant to Section 14(a) of the

#### Securities Exchange Act of 1934

☑ Filed by the Registrant&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ☐ Filed by a party other than the Registrant

CHECK THE APPROPRIATE BOX:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☑ Definitive Additional Materials

☐ Soliciting Material under Sec.240.14a-12

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## SUNRUN INC.
(Name of Registrant as Specified In Its Charter)

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(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY):

☑ No fee required

☐ Fee paid previously with preliminary materials

☐ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11

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Your Vote Counts! For complete information and to vote, visit www.ProxyVote.com Control # V90018-P45746 \*Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number Vote Virtually at the Meeting\* May 28, 2026 8:30 a.m. Pacific Time Virtually at: www.virtualshareholdermeeting.com/RUN2026 You invested in SUNRUN INC. and it's time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on May 28, 2026 at 8:30 a.m. Pacific Time at www.virtualshareholdermeeting.com/RUN2026. Get informed before you vote View the Notice and Proxy Statement and our Annual Report on Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 14, 2026. To view the voting material(s) online, visit www.ProxyVote.com and have your control number (indicated below) available. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. SUNRUN INC. 600 CALIFORNIA STREET, SUITE 1800 SAN FRANCISCO, CA 94108 SUNRUN INC. 2026 Annual Meeting Vote by May 27, 2026 11:59 PM ET

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Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click "Delivery Settings". 1. Election of Directors For Lynn Jurich 06) Mary Powell Alan Ferber 07) Katherine August-deWilde John Trinta 08) Sonita Lontoh Leslie Dach 09) Craig Cornelius Edward Fenster 2. Advisory proposal of the compensation of our named executive officers ("Say-on-Pay"). For 3. Ratification of the appointment of Ernst & Young LLP as our independent registered public accounting firm for our fiscal year ending December 31, 2026. For NOTE: The proxies are authorized to vote on such other business as may properly come before the meeting or any adjournment thereof. THIS IS NOT A VOTABLE BALLOT This communication presents only an overview of the proposals being presented at the upcoming stockholder meeting as described in the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.ProxyVote.com or easily request a paper copy (see reverse side). Please follow the instructions on the reverse side to vote on these important matters. We encourage you to access and review all of the important information contained in the proxy materials before voting. Voting Items Board Recommends V90019-P45746

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