| 2026-05-06 | Press release | Arq Reports First Quarter 2026 Results |
| 2026-03-09 | Press release | Arq Reports Fourth Quarter and Full Year 2025 Results |
| 2025-11-05 | Press release | Arq Reports Third Quarter 2025 Results |
| 2025-08-11 | Press release | Arq Reports Second Quarter 2025 Results |
| 2025-08-06 | Press release | Arq Achieves Major Milestone with Successful Commissioning of First Granular Activated Carbon Line |
| 2025-05-07 | Press release | Arq Reports First Quarter 2025 Results |
| 2025-04-02 | Press release | Arq Strengthens Executive Team, Appointing 35-Year Finance Veteran Jay Voncannon as Chief Financial Officer |
| 2025-03-05 | Press release | Arq Reports Fourth Quarter and Full Year 2024 Results |
| 2025-02-07 | Press release | Arq Schedules Q4 & FY 2024 Earnings Conference Call and Upcoming Investor Events |
| 2025-02-07 | Press release | Arq Provides Update on Transformational GAC Project |
| 2025-01-02 | Press release | Arq Announces Successful Closing of $30 million Revolving Credit Facility |
| 2024-11-07 | Press release | Arq Reports Third Quarter 2024 Results |
| 2024-09-25 | Press release | Arq Publishes its First-Ever ESG Report |
| 2024-09-19 | Press release | Arq, Inc. Announces Proposed Public Offering of Common Stock |
| 2024-08-12 | Press release | Arq Reports Second Quarter 2024 Results |
| 2024-08-08 | Press release | Arq to Attend Upcoming Investor Conferences |
| 2024-07-30 | Press release | Arq to Host Second Quarter 2024 Conference Call on August 13, 2024 |
| 2024-07-15 | Press release | Arq Contracts Additional Production for its Granular Activated Carbon (GAC) Product |
| 2024-07-02 | Press release | Arq Added to Russell 3000® Index |
| 2024-06-18 | Press release | Arq Secures Second Contract for its Granular Activated Carbon (GAC) Facility |
| 2024-05-08 | Press release | Arq Reports First Quarter 2024 Results |
| 2024-05-08 | Press release | Arq Announces First Supply Contract for its Strategic Granular Activated Carbon (GAC) Facility |