Exhibit 99.1 1stDibs Reports Third Quarter 2025 Financial Results New York, NY — November 7, 2025 — 1stdibs.com, Inc. (NASDAQ: DIBS), a leading online marketplace for luxury design products ("1stDibs" or the "Company"), today reported financial results for its third quarter ended September 30, 2025. Third Quarter 2025 Financial Highlights "The third quarter represented a major breakthrough defined by focus and execution. We successfully completed a major strategic realignment, making structural changes that ...