X0202 SCHEDULE 13G 0001768041 XXXXXXXX LIVE Common stock, par value $0.0001 per share 06/30/2026 0001469367 Sunrun Inc. 86771W105 600 CALIFORNIA STREET, SUITE 1800 SAN FRANCISCO CA 94108 Rule 13d-1(b) Greenvale Capital LLP X0 13299311.00 0.00 13299311.00 0.00 13299311.00 N 5.6 PN FI Sunrun Inc. 600 California Street, Suite 1800, San Francisco CA 94108 This filing is made by Greenvale Capital LLP, an English limited liability partnership ("Greenvale"), with respect to the shares of common stock, par value $0.0001 per share ("Common Stock") of Sunrun Inc. (the "Company") held by certain funds and accounts to which it serves as the investment manager. Bruce Emery, a citizen of the United Kingdom and the United States, indirectly controls Greenvale. Greenvale is sometimes referred to as the "Reporting Person." The filing of this statement should not be construed as an admission that any of the foregoing persons or the Reporting Person is, for the purposes of Section 13 of the Act, the beneficial owner of the securities reported herein. 1st Floor, 1 Vere Street, London W1G 0DF, United Kingdom. Greenvale is an English limited liability partnership. N FI Greenvale is an investment manager, authorized and regulated by the Financial Conduct Authority in the United Kingdom which is comparable to the regulatory scheme applicable to the investment advisers covered by Item 3(e) above. The information required by Item 4(a) is set forth in Row (9) of the cover page for each of the Reporting Persons and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 238,549,287 shares of Common Stock reported to be outstanding as of May 1, 2026, as reported in the Company's Quarterly Report on Form 10-Q for the quarterly period ending March 31, 2026, filed with the Securities and Exchange Commission on May 6, 2026. 5.6% The information required by Item 4(c)(i) is set forth in Row (5) of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(ii) is set forth in Row (6) of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iii) is set forth in Row (7) of the cover page for each of the Reporting Persons and is incorporated herein by reference. The information required by Item 4(c)(iv) is set forth in Row (8) of the cover page for each of the Reporting Persons and is incorporated herein by reference. Y N See Item 2(a). Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the foreign regulatory scheme applicable to Greenvale Capital LLP is substantially comparable to the regulatory scheme applicable to the functionally equivalent U.S. institution(s). I also undertake to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D. Greenvale Capital LLP /s/ ANDREW WALL 08/14/2026