| 2025-02-26 | +34.9% | earnings | Seeking Alpha | Montrose Environmental Non-GAAP EPS of $0.29 beats by $0.15, revenue of $189.1M beats by $1.46M |
| 2025-02-26 | +34.9% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-02-25 | +26.3% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-02-25 | +26.3% | earnings | Quiver Quantitative | Montrose Environmental Group Inc. (MEG) Stock Falls on Q4 2025 Earnings - Quiver Quantitative |
| 2026-02-25 | +26.3% | earnings | Business Wire | Montrose Environmental Group Reports Record Revenue, Earnings and Cash Flow in 2025; Increases 2026 Guidance - Business Wire |
| 2026-02-26 | +26.0% | expansion | Seeking Alpha | Montrose targets 10% EBITDA growth and launches $40M share repurchase while expanding AI-driven opportunities in 2026 |
| 2026-02-26 | +26.0% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. (MEG) Q4 2025 Earnings Call Transcript |
| 2026-02-26 | +26.0% | earnings | Seeking Alpha | Montrose Environmental Non-GAAP EPS of $0.38 beats by $0.19, revenue of $193.2M beats by $6.96M |
| 2023-05-09 | +15.4% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-05-07 | +14.9% | earnings | Seeking Alpha | Montrose Environmental Non-GAAP EPS of $0.07 beats by $0.16, revenue of $177.8M |
| 2025-05-07 | +14.9% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01, 8.01 (SEC Filing) |
| 2024-11-06 | -14.6% | earnings | Seeking Alpha | Montrose Environmental Non-GAAP EPS of $0.41 beats by $0.09, revenue of $178.7M misses by $6.84M |
| 2024-11-06 | -14.6% | legal | SEC EDGAR | MEG 8-K: 2.02, 5.02, 7.01 (SEC Filing) |
| 2025-02-28 | -13.9% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. (MEG) Q4 2024 Earnings Call Transcript |
| 2025-02-28 | -13.9% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. 2024 Q4 - Results - Earnings Call Presentation |
| 2024-02-29 | +13.9% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-10-15 | +13.3% | expansion | Seeking Alpha | Montrose Environmental chosen for $249M USACE contract |
| 2023-02-28 | -13.2% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2023-08-08 | +11.5% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2022-06-14 | -9.9% | legal | SEC EDGAR | MEG 8-K: 8.01 and (SEC Filing) |
| 2026-03-16 | -9.4% | executive | Investing.com | Montrose Environmental CEO sells $1.17 million in stock - Investing.com |
| 2026-03-13 | -9.4% | news | StockStory | 2 Small-Cap Stocks with Competitive Advantages and 1 That Underwhelm |
| 2026-03-13 | -9.4% | news | Gotrade | Montrose Environmental Group, Inc. MEG ) Stock Price Today & Analysis - Gotrade |
| 2024-11-08 | -8.6% | earnings | Seeking Alpha | Montrose Environmental cut at J.P. Morgan as full year tracks to low end of guidance |
| 2024-11-08 | -8.6% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. 2024 Q3 - Results - Earnings Call Presentation |
| 2025-08-21 | +8.5% | M&A | Seeking Alpha | Montrose Environmental set to close at YTD high on deal to restore aging fields in Canada |
| 2024-08-06 | +8.4% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-01-06 | +8.4% | legal | SEC EDGAR | MEG 8-K: 5.02 and (SEC Filing) |
| 2024-05-07 | -8.3% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2021-05-12 | -8.2% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2022-02-28 | -7.6% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2022-06-08 | -7.3% | legal | SEC EDGAR | MEG 8-K: 5.02 (SEC Filing) |
| 2025-08-06 | +7.3% | earnings | Seeking Alpha | Montrose Environmental Non-GAAP EPS of $0.63 beats by $0.39, revenue of $234.5M beats by $46.3M |
| 2025-08-06 | +7.3% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-04-19 | -6.9% | legal | SEC EDGAR | MEG 8-K: 8.01 and (SEC Filing) |
| 2025-05-11 | +6.7% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. 2025 Q1 - Results - Earnings Call Presentation |
| 2025-05-11 | +6.7% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. (MEG) Q1 2025 Earnings Call Transcript |
| 2025-07-07 | +6.5% | legal | SEC EDGAR | MEG 8-K: 8.01 (SEC Filing) |
| 2025-11-08 | -6.3% | earnings | simplywall.st | Earnings Beat: Montrose Environmental Group, Inc. Just Beat Analyst Forecasts, And Analysts Have Been Updating Their Models - simplywall.st |
| 2024-11-09 | +6.0% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. (MEG) Q3 2024 Earnings Call Transcript |
| 2022-05-09 | -5.7% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-04-10 | -5.7% | earnings | MarketBeat | Tudor Investment Corp ET AL Makes New $3.98 Million Investment in Montrose Environmental Group, Inc. $MEG - MarketBeat |
| 2026-03-04 | -5.0% | earnings | Finviz | Surging Earnings Estimates Signal Upside for Montrose Environmental (MEG) Stock - Finviz |
| 2022-11-08 | -4.6% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-03-03 | -4.5% | news | Stock Titan | Insider sale reported: MEG (NYSE: MEG) 43,348 shares planned - Stock Titan |
| 2021-08-10 | +4.5% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2023-11-07 | +4.4% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-04 | +4.3% | earnings | Seeking Alpha | Montrose Environmental Non-GAAP EPS of $0.36 beats by $0.04, revenue of $224.9M beats by $23.44M |
| 2025-11-04 | +4.3% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-04 | +4.3% | news | simplywall.st | Is Now The Time To Look At Buying Montrose Environmental Group, Inc. (NYSE:MEG)? - simplywall.st |
| 2026-02-04 | +4.3% | news | Business Wire | Montrose Environmental Group Announces Timing of Fourth Quarter and Full Year 2025 Results - Business Wire |
| 2022-08-25 | -4.2% | analyst | Zacks Investment Research | What is the current Price Target and Forecast for Montrose Environmental Group (MEG) - Zacks Investment Research |
| 2026-03-27 | -4.1% | news | Stock Titan | Vanguard disaggregates holdings; reports 0 shares in Montrose (MEG) - Stock Titan |
| 2025-04-30 | -4.1% | executive | simplywall.st | Should Shareholders Worry About Montrose Environmental Group, Inc.'s (NYSE:MEG) CEO Compensation Package? - simplywall.st |
| 2026-04-07 | -3.9% | news | StockStory | 1 Stock Under $50 to Own for Decades and 2 Facing Headwinds |
| 2025-11-07 | -3.7% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. 2025 Q3 - Results - Earnings Call Presentation |
| 2021-12-21 | +3.6% | legal | SEC EDGAR | MEG 8-K: 5.02 and (SEC Filing) |
| 2023-11-10 | -3.5% | news | Yahoo Finance | Multiple Reasons for the Fall of Montrose Environmental Group (MEG) - Yahoo Finance |
| 2025-08-20 | +3.4% | news | Seeking Alpha | Montrose Environmental: Long-Term Growth Fundamentals Compelling, Reduced Risk |
| 2025-08-20 | +3.4% | news | Seeking Alpha | Montrose Environmental: Long-Term Growth Fundamentals Compelling, Reduced Risk (MEG) - Seeking Alpha |
| 2021-11-09 | +3.1% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-05 | +3.1% | news | Seeking Alpha | Montrose Environmental projects at least $125M EBITDA for 2026 as organic growth accelerates |
| 2025-11-05 | +3.1% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. (MEG) Q3 2025 Earnings Call Transcript |
| 2025-11-05 | +3.1% | earnings | Yahoo Finance | Montrose Environmental Group (MEG): Shares Trade Below Target as Profitability Challenges Persist - Yahoo Finance |
| 2026-02-06 | +3.0% | news | Finviz | Montrose, Titan International, Enpro, Oshkosh, and VSE Corporation Stocks Trade Up, What You Need To Know - Finviz |
| 2021-09-30 | +3.0% | legal | SEC EDGAR | MEG 8-K: 8.01 and (SEC Filing) |
| 2026-04-21 | -2.9% | earnings | Zacks | Zurn Water (ZWS) Tops Q1 Earnings and Revenue Estimates |
| 2026-04-21 | -2.9% | news | Business Wire | Montrose Environmental Group Is Now Onterris |
| 2026-04-21 | -2.9% | news | Stock Titan | Montrose Environmental (NYSE: MEG) rebrands as Onterris with ONT ticker - Stock Titan |
| 2026-01-02 | +2.9% | news | AD HOC NEWS | Montrose Environmental Is Suddenly Everywhere – But Is MEG Stock Actually Worth the Hype? - AD HOC NEWS |
| 2026-01-20 | +2.8% | legal | SEC EDGAR | MEG 8-K: 5.02 and (SEC Filing) |
| 2026-01-20 | +2.8% | earnings | Yahoo Finance | Waste Management Stocks Q3 Recap: Benchmarking Montrose (NYSE:MEG) - Yahoo Finance |
| 2025-08-08 | +2.6% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. 2025 Q2 - Results - Earnings Call Presentation |
| 2025-08-08 | +2.6% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. (MEG) Q2 2025 Earnings Call Transcript |
| 2025-11-12 | +2.6% | executive | Investing.com | Montrose Environmental CEO sells $2.19 million in MEG stock - Investing.com |
| 2026-04-13 | -2.5% | news | TMX Newsfile | LithiumBank Completes Bulk Brine Sampling at Boardwalk Lithium Project |
| 2024-03-21 | -2.3% | news | CNN | symbol__ Stock Quote Price and Forecast - CNN |
| 2026-02-28 | -2.2% | news | simplywall.st | Is It Too Late To Consider Montrose Environmental Group (MEG) After Its Recent Share Price Surge? - simplywall.st |
| 2025-04-24 | +2.2% | expansion | Seeking Alpha | Montrose Environmental Group secures A$4M services contract |
| 2025-04-24 | +2.2% | news | Stock Titan | MEG Stock Price, News & Analysis - Stock Titan |
| 2026-03-11 | -2.0% | news | Investing.com | Montrose Environmental CSO Revuelta sells $2.86m in MEG stock - Investing.com |
| 2026-03-11 | -2.0% | news | Investing.com | Montrose Environmental CSO Revuelta sells $212k in MEG stock - Investing.com |
| 2025-05-12 | +1.9% | earnings | Seeking Alpha | Montrose Environmental Group: Record Q1 Results Don't Get It Much Closer To Profitability |
| 2024-02-20 | -1.8% | legal | SEC EDGAR | MEG 8-K: 1.01, 2.03 (SEC Filing) |
| 2025-10-09 | -1.8% | news | simplywall.st | Montrose Environmental Group (MEG): Assessing Valuation Following This Year’s Strong Share Price Momentum - simplywall.st |
| 2026-04-06 | -1.7% | earnings | MarketBeat | Allspring Global Investments Holdings LLC Makes New $10.14 Million Investment in Montrose Environmental Group, Inc. $MEG - MarketBeat |
| 2026-02-23 | -1.7% | earnings | Finviz | Montrose (MEG) Reports Earnings Tomorrow: What To Expect - Finviz |
| 2026-03-20 | +1.6% | earnings | StockStory | A Look Back at Waste Management Stocks’ Q4 Earnings: Montrose (NYSE:MEG) Vs The Rest Of The Pack |
| 2021-04-29 | +1.5% | legal | SEC EDGAR | MEG 8-K: 1.01, 1.02, 2.03 (SEC Filing) |
| 2026-04-23 | +1.3% | earnings | Cổng thông tin điện tử tỉnh Tây Ninh | MEG (Montrose Environmental Group Inc.) posts 19% YoY Q4 2025 revenue growth but misses EPS estimates sharply, sending shares down 2.31%. - Buy Rating - Cổng thông tin điện tử tỉnh Tây Ninh |
| 2026-04-23 | +1.3% | earnings | Cổng thông tin điện tử tỉnh Lào Cai | Is Montrose (MEG) stock a strong buy | Q4 2025: Profit Disappoints - Dividend Suspension - Cổng thông tin điện tử tỉnh Lào Cai |
| 2025-10-01 | +1.3% | news | Yahoo Finance | At US$27.46, Is Montrose Environmental Group, Inc. (NYSE:MEG) Worth Looking At Closely? - Yahoo Finance |
| 2026-01-19 | -1.2% | news | simplywall.st | Investor Optimism Abounds Montrose Environmental Group, Inc. (NYSE:MEG) But Growth Is Lacking - simplywall.st |
| 2026-01-18 | -1.2% | news | Yahoo Finance | Montrose Environmental Group (NYSE:MEG shareholders incur further losses as stock declines 17% this week, taking three-year losses to 59% - Yahoo Finance |
| 2024-12-19 | +1.0% | news | Seeking Alpha | Sydney Water chooses Montrose Environmental to install PFAS treatment system |
| 2025-11-26 | -1.0% | earnings | Seeking Alpha | Margin Momentum: Why Montrose Environmental's Profitability Gains Are Just The Beginning |
| 2022-08-08 | +0.9% | legal | SEC EDGAR | MEG 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-24 | -0.8% | news | simplywall.st | Positive Signs As Multiple Insiders Buy Montrose Environmental Group Stock - simplywall.st |
| 2024-09-10 | -0.8% | M&A | Seeking Alpha | Montrose Environmental Group acquires Origins Laboratory |
| 2026-04-16 | +0.8% | earnings | MarketBeat | Montrose Environmental Group, Inc. (NYSE:MEG) Receives Average Recommendation of "Hold" from Analysts - MarketBeat |
| 2025-02-20 | -0.7% | legal | SEC EDGAR | MEG 8-K: 5.02 (SEC Filing) |
| 2026-03-18 | -0.5% | news | StockStory | 1 Industrials Stock with Exciting Potential and 2 Facing Challenges |
| 2025-11-27 | -0.5% | news | Trefis | Montrose Environmental Stock Drop Looks Sharp, But How Deep Can It Go? - Trefis |
| 2021-10-25 | -0.4% | legal | SEC EDGAR | MEG 8-K: 5.02 (SEC Filing) |
| 2024-05-11 | +0.4% | earnings | MarketBeat | Montrose Environmental Group (MEG) Stock Forecast and Price Target 2026 $MEG - MarketBeat |
| 2026-02-27 | +0.3% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. 2025 Q4 - Results - Earnings Call Presentation |
| 2026-02-27 | +0.3% | earnings | Seeking Alpha | Montrose Environmental Group, Inc. 2025 Q4 - Results - Earnings Call Presentation (NYSE:MEG) 2026-02-27 - Seeking Alpha |
| 2026-04-03 | -0.3% | news | StockStory | 1 Russell 2000 Stock with Impressive Fundamentals and 2 We Turn Down |
| 2025-11-30 | -0.2% | news | Seeking Alpha | Montrose Environmental Looks Good Despite Recent Price Drop |
| 2025-11-29 | -0.2% | news | Seeking Alpha | Montrose Environmental Looks Good Despite Recent Price Drop - Seeking Alpha |
| 2026-03-28 | -0.2% | news | Simply Wall St. | How The Megaworld (PSE:MEG) Story Is Shifting While The ₱2.86 Valuation Holds Steady |
| 2026-01-09 | -0.2% | news | Yahoo Finance | MEG vs. WM: Which Stock Is the Better Value Option? - Yahoo Finance |
| 2026-01-01 | +0.0% | news | simplywall.st | Shareholders in Montrose Environmental Group (NYSE:MEG) have lost 47%, as stock drops 5.5% this past week - simplywall.st |
| 2026-04-24 | — | news | StockStory | 2 Cash-Producing Stocks for Long-Term Investors and 1 That Underwhelm |