| 2026-03-09 | -49.6% | earnings | Zacks | Arq, Inc. (ARQ) Reports Q4 Loss, Misses Revenue Estimates |
| 2026-03-09 | -49.6% | news | GlobeNewswire | Arq Reports Fourth Quarter and Full Year 2025 Results |
| 2026-03-09 | -49.6% | earnings | Investing.com | Arq Inc earnings missed by $1.15, revenue fell short of estimates - Investing.com |
| 2026-03-09 | -49.6% | earnings | Quiver Quantitative | Arq, Inc. Reports Record $120 Million Revenue for FY 2025; Announces Strategic Pause in GAC Production and Leadership Changes | ARQ Stock News - Quiver Quantitative |
| 2026-03-09 | -49.6% | earnings | Yahoo Finance | Arq, Inc. (ARQ) Reports Q4 Loss, Misses Revenue Estimates - Yahoo Finance |
| 2026-03-09 | -49.6% | news | Stocktwits | Why Is ARQ Stock Plummeting? - Stocktwits |
| 2026-03-10 | -44.1% | earnings | GuruFocus.com | Arq Inc (ARQ) Q4 2025 Earnings Call Highlights: Strategic Shifts and Financial Guidance Amidst ... |
| 2026-03-10 | -44.1% | news | Simply Wall St. | How Small Model Shifts Are Reshaping The Arq (ARQ) Investment Narrative |
| 2026-03-10 | -44.1% | earnings | Seeking Alpha | Arq outlines 2026 revenue and EBITDA guidance as GAC project paused for optimization |
| 2026-03-10 | -44.1% | earnings | Seeking Alpha | Arq, Inc. (ARQ) Q4 2025 Earnings Call Transcript |
| 2026-03-10 | -44.1% | earnings | Seeking Alpha | Arq shares plunge 46% after weak earnings, disappointing 2026 outlook |
| 2026-03-10 | -44.1% | earnings | Seeking Alpha | Arq, Inc. 2025 Q4 - Results - Earnings Call Presentation |
| 2026-03-10 | -44.1% | earnings | Seeking Alpha | Arq reports mixed Q4 results; provides inaugural financial guidance for FY26 |
| 2026-03-10 | -44.1% | analyst | Investing.com | Clear Street cuts Arq stock price target on GAC production pause - Investing.com |
| 2026-03-10 | -44.1% | news | Quiver Quantitative | $ARQ stock is down 49% today. Here's what we see in our data. - Quiver Quantitative |
| 2026-03-10 | -44.1% | legal | GlobeNewswire | INVESTOR ALERT: Investigation of Arq, Inc. (ARQ) announced by Holzer & Holzer, LLC - GlobeNewswire |
| 2026-03-10 | -44.1% | earnings | StocksToTrade | Arq’s Projected Earnings Baffle Wall Street, Raises Concern - StocksToTrade |
| 2026-03-10 | -44.1% | news | RTTNews | Morning Market Movers: INKT, GSIW, ARQ, SPRC See Big Swings - RTTNews |
| 2026-03-10 | -44.1% | legal | Minichart | Arq, Inc. 2025 Annual Report: Environmental Technology, Activated Carbon Solutions, Risk Factors, and Cybersecurity Practices - Minichart |
| 2025-11-06 | -38.4% | news | Seeking Alpha | Arq outlines mid-2026 GAC ramp-up target amid design fixes and PAC strength |
| 2025-11-06 | -38.4% | earnings | Seeking Alpha | Arq, Inc. (ARQ) Q3 2025 Earnings Call Transcript |
| 2025-11-06 | -38.4% | earnings | Investing.com | Earnings call transcript: Arq Inc misses Q3 2025 earnings, shares plunge - Investing.com |
| 2025-11-05 | -35.3% | earnings | Seeking Alpha | Arq GAAP EPS of -$0.02 misses by $0.04, revenue of $35M misses by $0.63M |
| 2025-11-05 | -35.3% | news | GlobeNewswire | Arq Reports Third Quarter 2025 Results - GlobeNewswire |
| 2026-03-11 | +26.0% | news | Seeking Alpha | Arq: Granular Activated Carbon Expansion Turns Into Disaster |
| 2026-03-11 | +26.0% | analyst | Investing.com | Canaccord cuts Arq stock price target on GAC production pause - Investing.com |
| 2026-03-11 | +26.0% | news | Seeking Alpha | Arq: Granular Activated Carbon Expansion Turns Into Disaster (NASDAQ:ARQ) - Seeking Alpha |
| 2026-03-11 | +26.0% | news | Minichart | Arq, Inc. Reports Fourth Quarter and Full Year 2025 Financial Results - Minichart |
| 2025-05-07 | -17.4% | news | Seeking Alpha | Arq outlines GAC production ramp-up timeline amid robust PAC performance |
| 2025-05-07 | -17.4% | earnings | Seeking Alpha | Arq, Inc. (ARQ) Q1 2025 Earnings Call Transcript |
| 2025-05-07 | -17.4% | earnings | Seeking Alpha | Arq, Inc. 2025 Q1 - Results - Earnings Call Presentation |
| 2025-05-07 | -17.4% | earnings | Seeking Alpha | Arq GAAP EPS of $0.00 beats by $0.02, revenue of $27.25M beats by $0.99M |
| 2025-08-12 | +16.8% | earnings | Seeking Alpha | Arq, Inc. 2025 Q2 - Results - Earnings Call Presentation |
| 2025-08-12 | +16.8% | news | Seeking Alpha | Arq outlines path to 25M lb GAC capacity within 6 months amid PAC strength and Phase 2 expansion plans |
| 2025-08-12 | +16.8% | earnings | Seeking Alpha | Arq, Inc. (ARQ) Q2 2025 Earnings Call Transcript |
| 2026-03-23 | +16.4% | news | Quiver Quantitative | $ARQ stock is up 14% today. Here's what we see in our data. | ARQ Stock News - Quiver Quantitative |
| 2024-09-20 | -15.8% | news | Yahoo Finance | Arq, Inc. Announces Pricing of $25 Million Public Offering of Common Stock - Yahoo Finance |
| 2024-09-20 | -15.8% | analyst | Seeking Alpha | Arq: Surprise Equity Offering Raises Questions (Rating Downgrade) (ARQ) - Seeking Alpha |
| 2025-03-07 | +13.1% | news | Seeking Alpha | Arq: Granular Activated Carbon Expansion Project Remains A Headache - Hold |
| 2025-03-07 | +13.1% | news | Seeking Alpha | Arq: Granular Activated Carbon Expansion Project Remains A Headache - Hold (NASDAQ:ARQ) - Seeking Alpha |
| 2026-03-21 | +13.0% | legal | GlobeNewswire | ARQ INVESTIGATION ALERT: Bragar Eagel & Squire, P.C. is - GlobeNewswire |
| 2025-11-07 | -12.4% | news | simplywall.st | Arq, Inc.'s (NASDAQ:ARQ) 39% loss last week hit both individual investors who own 40% as well as institutions - simplywall.st |
| 2025-11-10 | -11.7% | news | Seeking Alpha | Arq: Expansion Into Granular Activated Carbon Continues To Be A Headache - Hold |
| 2026-03-18 | +11.2% | news | TMX Newsfile | Argo's January Oil Production |
| 2026-03-18 | +11.2% | news | Seeking Alpha | Arq, Inc. (ARQ) Presents at 2nd Annual CG Virtual Sustainability Summit - Slideshow |
| 2026-03-18 | +11.2% | news | Seeking Alpha | Arq, Inc. (ARQ) Presents at 2nd Annual CG Virtual Sustainability Summit - Slideshow (NASDAQ:ARQ) 2026-03-18 - Seeking Alpha |
| 2024-02-02 | -11.0% | news | TradingView | ARQ Stock Price and Chart — NASDAQ:ARQ - TradingView |
| 2025-05-06 | -10.0% | earnings | Seeking Alpha | Arq Q1 2025 Earnings Preview |
| 2026-03-12 | +9.9% | news | Stock Titan | Daniel Kaufman reports 2.19M shares in Arq (NASDAQ: ARQ) - Stock Titan |
| 2026-03-24 | +9.9% | news | GlobeNewswire | Arq to Participate in Water Tower Research Fireside Chat Series on March 25, 2026 |
| 2026-03-24 | +9.9% | executive | Stock Titan | Arq CEO joins open investor fireside chat Wednesday at 11 a.m. ET - Stock Titan |
| 2026-03-24 | +9.9% | news | Stock Titan | Director-linked entity for Arq (ARQ) adds 150,000 shares in open-market buy - Stock Titan |
| 2026-03-24 | +9.9% | news | TipRanks | Top Arq Inc Insider Makes Bold Move With Fresh Stock Purchase - TipRanks |
| 2026-03-24 | +9.9% | legal | The AI Journal | Securities Fraud Investigation Into Arq, Inc. (ARQ) Announced – Shareholders Who Lost Money Urged To Contact Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law Firm - The AI Journal |
| 2026-04-14 | +9.3% | M&A | TMX Newsfile | Argo Acquires Additional Mineral Claims at the Hurdman Silver-Zinc Project |
| 2024-03-06 | -8.6% | news | Stock Titan | Latest ARQ News - Arq to Participate in Water Tower Research F... - Stock Titan |
| 2026-03-25 | +8.5% | news | Seeking Alpha | Arq, Inc. (ARQ) Discusses Activated Carbon Solutions for Environmental Remediation and Market Expansion Transcript |
| 2026-03-25 | +8.5% | news | Stock Titan | [Form 4] Arq, Inc. Insider Trading Activity - Stock Titan |
| 2026-03-25 | +8.5% | news | Stock Titan | Arq (ARQ) counsel has 8,025 shares withheld for RSA tax obligations - Stock Titan |
| 2026-03-25 | +8.5% | news | Stock Titan | Arq (ARQ) CAO Hansen has 8,894 shares withheld for RSA tax - Stock Titan |
| 2026-03-25 | +8.5% | news | Stock Titan | Arq (ARQ) CTO has shares withheld to cover restricted stock tax bill - Stock Titan |
| 2025-08-11 | +7.9% | earnings | Seeking Alpha | Arq GAAP EPS of -$0.05 misses by $0.03, revenue of $28.58M beats by $3.03M |
| 2026-03-19 | +6.7% | news | Stock Titan | Arq (ARQ) CTO Joseph Wong purchases 10,000 company shares in market buy - Stock Titan |
| 2026-03-19 | +6.7% | news | TipRanks | Top Tech Executive Quietly Boosts Stake in Arq Inc., Signaling Strong Insider Confidence - TipRanks |
| 2025-11-09 | -6.5% | news | Seeking Alpha | Arq: Expansion Into Granular Activated Carbon Continues To Be A Headache—Hold - Seeking Alpha |
| 2024-02-14 | +5.8% | legal | Stocktwits | Arq Inc (ARQ) Profile, Company FAQs & Facts, Industry, Sector, Employee Strength - Stocktwits |
| 2026-03-06 | -5.4% | earnings | Seeking Alpha | Arq Q4 2025 Earnings Preview |
| 2024-02-04 | -5.4% | earnings | MarketBeat | ARQ (ARQ) Stock Price, News & Analysis $ARQ - MarketBeat |
| 2024-02-03 | -5.4% | analyst | TradingView | ARQ Forecast — Price Target — Prediction for 2027 - TradingView |
| 2024-02-03 | -5.4% | news | TradingView | Technical Analysis of Arq, Inc. (NASDAQ:ARQ) - TradingView |
| 2025-10-13 | +5.3% | news | Seeking Alpha | Arq: More Time Required To Fully Assess Expansion Into Granular Activated Carbon - Hold - Seeking Alpha |
| 2025-05-08 | +5.1% | news | Seeking Alpha | Arq: Granular Activated Carbon Project Suffers Further Delays - Hold |
| 2025-03-25 | -5.1% | news | Investing.com UK | Arq’s CTO Joseph Wong sells $30,869 in stock By Investing.com - Investing.com UK |
| 2024-02-20 | -4.9% | news | The Globe and Mail | Arq Inc (ARQ-Q) Profile - The Globe and Mail |
| 2025-08-14 | -4.7% | news | Yahoo Finance | Arq, Inc. (ARQ) Is a Great Choice for 'Trend' Investors, Here's Why - Yahoo Finance |
| 2026-02-24 | +4.7% | news | GlobeNewswire | Gabelli Hosts 17th Annual Specialty Chemicals Symposium |
| 2026-02-24 | +4.7% | earnings | Yahoo Finance | Arq Schedules Fourth Quarter & Full-Year 2025 Earnings Conference Call - Yahoo Finance |
| 2025-07-03 | +4.7% | legal | Stock Titan | ARQ SEC Filings - Arq Inc 10-K, 10-Q, 8-K Forms - Stock Titan |
| 2025-07-03 | +4.7% | news | Stock Titan | [Form 4] Arq, Inc. Insider Trading Activity - Stock Titan |
| 2025-09-09 | -4.6% | earnings | simplywall.st | Argo Gold Inc.'s (CSE:ARQ) 27% Price Boost Is Out Of Tune With Earnings - simplywall.st |
| 2025-11-12 | +4.5% | news | Quiver Quantitative | Arq, Inc. Stock (ARQ) Opinions on Recent Price Drop and Production Challenges - Quiver Quantitative |
| 2025-11-12 | +4.5% | executive | Investing.com | Arq Inc: CEO Rasmus buys $189k in shares - Investing.com |
| 2026-04-01 | -4.4% | news | Stock Titan | Arq (ARQ) revises MidCap revolving credit covenants and availability - Stock Titan |
| 2026-04-02 | +4.1% | news | PR Newswire | INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Arq, Inc. - ARQ - PR Newswire |
| 2026-04-02 | +4.1% | news | The Globe and Mail | Arq amends revolving credit facility to enhance liquidity - The Globe and Mail |
| 2025-07-04 | +3.6% | legal | Stock Titan | ARQ SEC Filings - Arq Inc 10-K, 10-Q, 8-K Forms - Stock Titan |
| 2025-12-24 | +3.6% | news | Yahoo Finance | What Makes Arq (ARQ) a Worthy Holding? - Yahoo Finance |
| 2025-09-26 | -3.6% | news | simplywall.st | 3 Growth Stocks With High Insider Confidence - simplywall.st |
| 2026-01-09 | +3.6% | earnings | simplywall.st | Arq, Inc.'s (NASDAQ:ARQ) Path To Profitability - simplywall.st |
| 2024-05-13 | -3.4% | earnings | MarketBeat | ARQ (ARQ) Stock Forecast and Price Target 2026 $ARQ - MarketBeat |
| 2024-07-25 | +3.1% | earnings | MarketBeat | ARQ (ARQ) Short Interest & Short Float | Updated Apr 2026 $ARQ - MarketBeat |
| 2025-05-10 | +3.1% | news | Intellectia AI | ARQ Forecast — Price Prediction for 2026. Should I Buy ARQ? - Intellectia AI |
| 2024-04-16 | -3.1% | earnings | Zacks Investment Research | What date does Arq, Inc.'s (ARQ) report Earnings - Earnings Calendar & Announcement - Zacks Investment Research |
| 2026-04-22 | +3.0% | earnings | GlobeNewswire | Arq Schedules First Quarter 2026 Earnings Conference Call |
| 2026-04-22 | +3.0% | earnings | Stock Titan | Arq plans after-hours Q1 results release before May 7 investor call - Stock Titan |
| 2025-12-01 | +3.0% | news | Yahoo Finance | Arq, Inc.'s (NASDAQ:ARQ) largest shareholders are individual investors with 38% ownership, institutions own 38% - Yahoo Finance |
| 2025-10-14 | -3.0% | news | Seeking Alpha | Arq: More Time Required To Fully Assess Expansion Into Granular Activated Carbon - Hold |
| 2025-11-04 | -2.9% | earnings | Seeking Alpha | Arq Q3 2025 Earnings Preview |
| 2026-03-16 | -2.8% | news | Investing.com | Arq Inc: Gen counsel Smith buys $3.8k in ARQ stock - Investing.com |
| 2023-12-14 | -2.7% | legal | The Canadian Securities Exchange (CSE) | Argo Gold Inc. - The Canadian Securities Exchange (CSE) |
| 2026-04-17 | -2.3% | news | Stock Titan | Arq (NASDAQ: ARQ) pushes Tax Asset Protection Plan to 2027 - Stock Titan |
| 2026-04-17 | -2.3% | news | Stock Titan | Arq, Inc. (ARQ) to vote on director slate, auditor, and 2026 equity plan - Stock Titan |
| 2026-04-17 | -2.3% | expansion | TipRanks | Arq Inc Updates Material Agreement Affecting Security Holder Rights - TipRanks |
| 2026-04-17 | -2.3% | news | StreetInsider | Form PRE 14A Arq, Inc. For: Dec 31 - StreetInsider |
| 2024-06-23 | -2.3% | news | ChartMill | ARQ Stock Price, Quote & Chart | ARQ INC (NASDAQ:ARQ) - ChartMill |
| 2025-08-22 | +2.3% | earnings | simplywall.st | Revenues Tell The Story For Arq, Inc. (NASDAQ:ARQ) As Its Stock Soars 28% - simplywall.st |
| 2026-03-17 | +2.2% | news | Stock Titan | Arq (ARQ) director adds 77,500 shares, now holds 174,010 - Stock Titan |
| 2026-03-30 | -1.8% | news | Simply Wall St. | Arq And 2 Other Promising Penny Stocks |
| 2026-03-30 | -1.8% | news | Yahoo Finance | Arq And 2 Other Promising Penny Stocks - Yahoo Finance |
| 2024-02-10 | -1.8% | news | CoinCodex | Arq, Inc. (ARQ) Stock Forecast & Price Prediction 2026–2030 - CoinCodex |
| 2025-04-24 | -1.7% | news | Stock Titan | ARQ Stock Price, News & Analysis - Stock Titan |
| 2026-01-23 | +1.6% | analyst | Yahoo Finance | How Arq (ARQ) Is Resetting Its Story With A New Price Target - Yahoo Finance |
| 2024-04-06 | +1.4% | analyst | Zacks Investment Research | What is the current Price Target and Forecast for Arq, Inc. (ARQ) - Zacks Investment Research |
| 2024-03-26 | -1.1% | news | CNN | symbol__ Stock Quote Price and Forecast - CNN |
| 2024-03-26 | -1.1% | news | Zacks Investment Research | Should I buy Arq, Inc. (ARQ) - Zacks Investment Research |
| 2025-07-20 | +1.0% | news | Seeking Alpha | Arq Is Tapping Into An Interesting Market, But The Price Is Unattractive |
| 2025-07-20 | +1.0% | news | Seeking Alpha | Arq Is Tapping Into An Interesting Market, But The Price Is Unattractive (NASDAQ:ARQ) - Seeking Alpha |
| 2026-04-13 | +1.0% | news | Cổng thông tin điện tử tỉnh Lào Cai | Is Arq (ARQ) Stock a Safe Investment | Price at $2.12, Down 2.30% - High Beta Stocks - Cổng thông tin điện tử tỉnh Lào Cai |
| 2025-08-10 | -1.0% | earnings | Yahoo Finance | Analysts Are Optimistic We'll See A Profit From Arq, Inc. (NASDAQ:ARQ) - Yahoo Finance |
| 2024-02-27 | -0.9% | earnings | MarketBeat | ARQ (ARQ) Insider Trading Activity 2026 $ARQ - MarketBeat |
| 2026-04-21 | -0.8% | earnings | MarketBeat | Arq, Inc. (NASDAQ:ARQ) Receives Consensus Rating of "Moderate Buy" from Analysts - MarketBeat |
| 2026-04-21 | -0.8% | legal | ChartMill | Securities Fraud Investigation Into Arq, Inc. (ARQ) Continues – Shareholders Who Lost Money Urged To Contact The Law Offices of Frank R. Cruz - ChartMill |
| 2026-04-18 | +0.6% | earnings | Minichart | Arq, Inc. (Formerly Advanced Emissions Solutions) Files 8-K Announcing Ninth Amendment to Tax Asset Protection Plan – April 2026 - Minichart |
| 2025-11-15 | +0.4% | M&A | simplywall.st | Arq CEO, President & Director Acquires 4.9% More Stock - simplywall.st |
| 2025-11-15 | +0.4% | M&A | webull.com | Arq CEO, President & Director Acquires 4.9% More Stock - webull.com |
| 2025-03-06 | -0.2% | earnings | Seeking Alpha | Arq, Inc. (ARQ) Q4 2024 Earnings Call Transcript |
| 2025-03-06 | -0.2% | earnings | Seeking Alpha | Arq, Inc. 2024 Q4 - Results - Earnings Call Presentation |
| 2025-03-05 | +0.1% | earnings | Seeking Alpha | Arq Inc. GAAP EPS of -$0.03 misses by $0.01, revenue of $27.04M misses by $1.3M |