Home/News/ARQNewsARQ ▲ +3.7% - Arq, Inc.$ARQCP $1.98▲ +3.7%Sep 30, 2026 · ThinkSabio BlogARQ ▲ +3.7% - Arq, Inc. $ARQ - Arq Publishes 2025 Sustainability Report 30-SEP-2026 04:30 PM ET Share this post🔗Copy LinkMore filings for $ARQARQ ▼ -1.8% - Arq, Inc.Aug 28, 2026View full $ARQ filing history →💬 Comments Loading comments…Leave a commentPost Comment← All PostsMore News