Sunrun Inc. 4: CFO's $130K RSU tax sale (Oct 7, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-06 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Sunrun Inc. (RUN) CIK: 0001469367 --- Reporting Owner --- Name: Abajian Danny CIK: 0001931495 Role: Officer (Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-10-06 | Code: S (Open market sale) Shares: -16,734 | Price: $7.76 Total Value: $129,931.14 Shares Owned After: 386,532 | Ownership: D (Direct) Footnotes: [F1] Shares sold to cover tax obligation from settlement of vested restricted stock units. [F2] Price represents the weighted average sale price of the shares sold. The sale price ranged from $7.67 to $7.845 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. [F3] Shares held following the reported transaction include 361,666 RSUs, which are subject to forfeiture until they vest. [Transaction #2] Security: Common Stock Date: 2026-10-06 | Code: G (Gift) Shares: -16,813 | Price: $0.00 Shares Owned After: 369,719 | Ownership: D (Direct) Footnotes: [F3] Shares held following the reported transaction include 361,666 RSUs, which are subject to forfeiture until they vest. [Transaction #3] Security: Common Stock Date: 2026-10-06 | Code: G (Gift) Shares: +16,813 | Price: $0.00 Shares Owned After: 390,918 | Ownership: I (Indirect) | Nature: See Footnote Footnotes: [F4] The shares are held by a family trust, of which the reporting person is co-trustee. --- Footnotes (Complete Index) --- F1: Shares sold to cover tax obligation from settlement of vested restricted stock units. F2: Price represents the weighted average sale price of the shares sold. The sale price ranged from $7.67 to $7.845 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. F3: Shares held following the reported transaction include 361,666 RSUs, which are subject to forfeiture until they vest. F4: The shares are held by a family trust, of which the reporting person is co-trustee. --- Signature --- /s/ /s/ Anna Nagornaia, Attorney-in-Fact (2026-10-07)