GREENWOOD VILLAGE, Colo., Oct. 07, 2025 (GLOBE NEWSWIRE) -- Arq, Inc. (NASDAQ: ARQ) (the "Company" or "Arq"), a producer of activated carbon and other environmentally efficient carbon products for use in purification and sustainable materials, today announced the Company will release its third quarter 2025 financial results and file its Quarterly Report on Form 10-Q for the period ended September 30, 2025 after market close on Wednesday, November 5, 2025. A conference call to discuss the Company's financial ...