UNITED COMMUNITY BANKS INC 8-KCurrent Reports (8-K / ad hoc)

Changes / Accountants

Item 9.01 Financial Statements and Exhibits. (d) Exhibits. See exhibit index below for the list of exhibits filed or furnished with this Current Report on Form 8-K. EXHIBIT INDEX Exhibit No. Description 99.1 Transcript of conference call dated September 8, 2026 (furnished only) 104 The cover page from this Current Report on Form 8-K, formatted in Inline XBRL. Field: Page; Sequence: 2 Field: /Page SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. UNITED COMMUNITY BANKS, INC. By: / s / Melinda Davis Lux Melinda Davis Lux Chief Administrative Officer, General Counsel and Corporate Secretary Date: September 8, 2026 Field: Page; Sequence: 3; Options: Last Field: /Page Field: Set; Name: xdx; ID: xdx_08B_extensions eJxFjdEKgkAQRb/Afxj2Oco2I/AxKYksQiR6XXSKJd2R2a30k/rLNiUaBobh3nOvEBOR0lbXyHBZ5xkU2LS1cgg5XpHRlOgdyW4fg7853rR1rIwb3h+YkGfQM8uplKUXButTW6xiCFczuZjJCEIZLyM4HUTw1RMyV12hcVrVoEwFJ6aWNTrF/ZhQqI4MNf1QdUa2mkwM82k4ym+Q4VzCkZ7qRXy3kGWJCCbDBCJlerTetekcmi8JmxobX2dH+r/BBwluSpE=