| 2026-02-24 | -25.4% | earnings | Seeking Alpha | Tennant targets $250M AMR revenue by 2028 as ERP challenges reshape 2026 outlook |
| 2026-02-24 | -25.4% | earnings | Seeking Alpha | Tennant Company (TNC) Q4 2025 Earnings Call Transcript |
| 2026-02-24 | -25.4% | earnings | Seeking Alpha | Tennant Company 2025 Q4 - Results - Earnings Call Presentation |
| 2026-02-24 | -25.4% | earnings | Seeking Alpha | Tennant misses top-line and bottom-line estimates; introduces FY26 outlook |
| 2026-02-24 | -25.4% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2026-02-24 | -25.4% | news | Yahoo Finance | Why Tennant (TNC) Shares Are Getting Obliterated Today - Yahoo Finance |
| 2026-02-24 | -25.4% | news | The Motley Fool | Why Tennant Stock Is Plummeting Today - The Motley Fool |
| 2026-02-24 | -25.4% | news | FinancialContent | Why Tennant (TNC) Shares Are Getting Obliterated Today - FinancialContent |
| 2026-02-24 | -25.4% | earnings | Investing.com | Earnings call transcript: Tennant’s Q4 2025 earnings miss, stock tumbles - Investing.com |
| 2026-02-24 | -25.4% | legal | GlobeNewswire | Tennant Company ALERT: Securities Fraud Investigation by - GlobeNewswire |
| 2026-02-24 | -25.4% | news | Investing.com | Tennant stock hits 52-week low at 66.94 USD - Investing.com |
| 2026-02-24 | -25.4% | news | GuruFocus | Decoding Tennant Co (TNC): A Strategic SWOT Insight - GuruFocus |
| 2026-02-23 | -24.1% | news | Business Wire | Tennant Company Reports 2025 Fourth-Quarter and Full-Year Results - Business Wire |
| 2023-04-28 | +19.6% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2024-05-03 | -9.8% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2024-05-02 | -9.0% | legal | SEC EDGAR | TNC 8-K: 5.02 and 5.07 (SEC Filing) |
| 2022-04-28 | -7.0% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2023-08-04 | +6.6% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2024-10-31 | -6.2% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2024-08-07 | -5.8% | legal | SEC EDGAR | TNC 8-K: 1.01, 2.03 (SEC Filing) |
| 2025-04-30 | -5.5% | earnings | Seeking Alpha | Tennant Non-GAAP EPS of $1.12 misses by $0.18, revenue of $290M misses by $6.63M |
| 2025-04-30 | -5.5% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2025-04-30 | -5.5% | news | Business Wire | Tennant Company Reports First Quarter 2025 Results - Business Wire |
| 2023-02-23 | +5.4% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2025-08-06 | -5.3% | earnings | Seeking Alpha | Tennant Non-GAAP EPS of $1.49 misses by $0.14, revenue of $318.6M misses by $8.6M |
| 2025-08-06 | -5.3% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2024-08-08 | -5.2% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2025-11-04 | -5.1% | news | Seeking Alpha | Tennant targets $1.21B–$1.25B full-year net sales as digital transformation advances amid tariff volatility |
| 2025-11-04 | -5.1% | earnings | Seeking Alpha | Tennant Company (TNC) Q3 2025 Earnings Call Transcript |
| 2025-11-03 | -4.9% | earnings | Seeking Alpha | Tennant Non-GAAP EPS of $1.46 misses by $0.04, revenue of $303.3M misses by $2.7M |
| 2025-11-03 | -4.9% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2025-11-03 | -4.9% | news | Business Wire | Tennant Company Reports Third Quarter 2025 Results - Business Wire |
| 2026-02-04 | +4.6% | news | The Globe and Mail | Tennant Sets Key Deadlines for 2026 Annual Meeting - The Globe and Mail |
| 2021-08-03 | -4.4% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2026-04-01 | +4.3% | legal | GlobeNewswire | $TNC Securities Alert: Tennant Company Investigated for - GlobeNewswire |
| 2021-05-04 | +4.2% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2026-03-19 | +3.8% | news | marketscreener.com | Tennant Company (TNC) Scrutinized Amid Surprise Functionality Issues in North America Enterprise Resource Planning, Stock Tanks 23% -- Hagens Berman - marketscreener.com |
| 2026-03-19 | +3.8% | legal | Financial Times | TNC Securities Fraud Investigation: Tennant Company is being Investigated after ERP System Issues Lead to 23% Stock Drop – Company Announcement - FT.com - Financial Times |
| 2026-03-19 | +3.8% | legal | Finansavisen | TNC Securities Fraud Investigation: Tennant Company is being Investigated after ERP System Issues Lead to 23% Stock Drop - Finansavisen |
| 2026-04-14 | -3.7% | news | MT Newswires | Tennant, Brain Corp Sign 3-Year Exclusivity Extension to Further Robotic Cleaning Technology Roadmap |
| 2026-04-14 | -3.7% | news | Business Wire | Tennant Company and Brain Corp Agree to Accelerate Robotic Cleaning Innovation, Advancing Tennant’s Transformation into a Robotics and Technology Leader |
| 2026-04-14 | -3.7% | earnings | MarketBeat | Tennant Company $TNC Shares Purchased by Deprince Race & Zollo Inc. - MarketBeat |
| 2026-04-14 | -3.7% | news | Stock Titan | 10 new cleaning robots in 24 months: Tennant deepens Brain Corp tie - Stock Titan |
| 2026-03-15 | -3.7% | news | Seeking Alpha | Tennant's Plunge Offers A Clean Opportunity For Upside (NYSE:TNC) - Seeking Alpha |
| 2023-10-31 | +3.6% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2024-03-01 | -3.4% | news | CNN | symbol__ Stock Quote Price and Forecast - CNN |
| 2024-03-01 | -3.4% | M&A | Stock Titan | Tennant Company Acquires Long-Time Distributor of Tennant Equipment to Accelerate Growth in the Central & Eastern Europe Region - Stock Titan |
| 2026-03-03 | +3.4% | news | Investing.com | Tennant Co director Mulligan buys shares worth $504,130 - Investing.com |
| 2026-03-03 | +3.4% | news | Stock Titan | Tennant Co (TNC) SVP reports 194-share tax-withholding disposition - Stock Titan |
| 2026-03-03 | +3.4% | news | Stock Titan | Tennant (TNC) SVP uses 451 shares to cover tax obligations - Stock Titan |
| 2026-03-03 | +3.4% | news | GlobeNewswire | TENNANT INVESTOR ALERT: Bragar Eagel & Squire, P.C. is - GlobeNewswire |
| 2025-07-14 | -3.3% | news | simplywall.st | At US$83.62, Is Tennant Company (NYSE:TNC) Worth Looking At Closely? - simplywall.st |
| 2026-04-07 | +3.1% | news | Stock Titan | Tennant debuts robot sweeper built for dusty, nonstop warehouses - Stock Titan |
| 2026-03-24 | +3.1% | legal | marketscreener.com | TNC Stock Drop: Tennant Company Investors with Losses Notified of Rights in Pending Securities Fraud Investigation After Stock Plummeted 23% - marketscreener.com |
| 2026-03-24 | +3.1% | legal | The Malaysian Reserve | TNC Stock Drop: Tennant Company Investors with Losses Notified of Rights in Pending Securities Fraud Investigation After Stock Plummeted 23% - The Malaysian Reserve |
| 2026-03-24 | +3.1% | legal | Finansavisen | TNC Stock Drop: Tennant Company Investors with Losses Notified of Rights in Pending Securities Fraud Investigation After Stock Plummeted 23% - Finansavisen |
| 2026-04-09 | +3.1% | news | AD HOC NEWS | Tennant Company stock: ERP setback tests resilient cleaning leader - AD HOC NEWS |
| 2026-03-27 | -3.0% | news | Stock Titan | Nvidia gets BetterInvesting's 'Stock to Study'; Tennant seen undervalued - Stock Titan |
| 2026-03-27 | -3.0% | news | Stock Titan | Vanguard reports 0% ownership in Tennant Co (TNC) after realignment - Stock Titan |
| 2026-03-27 | -3.0% | news | Yahoo Finance | BetterInvesting™ Magazine Update on NVIDIA Corp. (NASDAQ: NVDA) and Tennant Company (NYSE: TNC) - Yahoo Finance |
| 2026-03-27 | -3.0% | news | Finansavisen | Tennant Company (TNC) Scrutinized Amid Surprise Functionality Issues in North America Enterprise Resource Planning, Stock Tanks 23% -- Hagens Berman - Finansavisen |
| 2026-03-23 | +2.8% | news | GlobeNewswire | $TNC Investment Loss: Lose Money on Tennant Company? You - GlobeNewswire |
| 2025-03-24 | -2.7% | news | Intellectia AI | TNC Forecast — Price Prediction for 2026. Should I Buy TNC? - Intellectia AI |
| 2025-03-07 | +2.6% | news | Seeking Alpha | Tennant Company Deserves Patience |
| 2025-03-07 | +2.6% | news | Seeking Alpha | Tennant Company Deserves Patience (NYSE:TNC) - Seeking Alpha |
| 2021-11-02 | -2.5% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2026-03-20 | +2.5% | news | PR Newswire | Tennant Company (TNC) Scrutinized Amid Surprise Functionality Issues in North America Enterprise Resource Planning, Stock Tanks 23% -- Hagens Berman - PR Newswire |
| 2026-03-20 | +2.5% | news | Finansavisen | Tennant Company (TNC) Scrutinized Amid Surprise Functionality Issues in North America Enterprise Resource Planning, Stock Tanks 23% -- Hagens Berman - Finansavisen |
| 2026-03-02 | +2.4% | news | Investing.com | Tennant Co director Eicher sells $193,997 in stock - Investing.com |
| 2026-03-02 | +2.4% | legal | TMX Newsfile | $TNC: Tennant Company Investigated for Securities Fraud by Block & Leviton; Investors Encouraged to Contact the Firm to Possibly Recover Losses - TMX Newsfile |
| 2026-03-02 | +2.4% | executive | Stock Titan | Tennant (NYSE: TNC) CEO adds stock with large awards and buys - Stock Titan |
| 2026-03-02 | +2.4% | news | Stock Titan | Director James T. Glerum Jr. adds Tennant (TNC) shares via purchase and award - Stock Titan |
| 2026-03-02 | +2.4% | executive | Stock Titan | Tennant (NYSE: TNC) CFO reports stock grants and tax-share withholding - Stock Titan |
| 2026-03-02 | +2.4% | news | Kalkine Media | Tennant Co (NYSE:TNC) Hits Annual Low in NYSE Composite - Kalkine Media |
| 2025-12-11 | +2.3% | news | Seeking Alpha | Tennant Company Will Clean Up |
| 2025-12-11 | +2.3% | news | Seeking Alpha | Tennant Company Will Clean Up (NYSE:TNC) - Seeking Alpha |
| 2022-10-27 | -2.3% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2025-05-02 | +2.2% | earnings | Seeking Alpha | Tennant Company 2025 Q1 - Results - Earnings Call Presentation |
| 2025-05-02 | +2.2% | earnings | Seeking Alpha | Tennant outlines 2025 AMR revenue target of $100M and introduces Clean 360 subscription model |
| 2025-05-02 | +2.2% | earnings | Seeking Alpha | Tennant Company (TNC) Q1 2025 Earnings Call Transcript |
| 2026-04-10 | +2.2% | news | Simply Wall St. | Undervalued Small Caps With Insider Buying To Consider For Your Portfolio |
| 2026-04-10 | +2.2% | earnings | Seeking Alpha | Tennant Company: CFO's Q4 Breakdown Proves Dividend Is Safe Despite The ERP Disaster |
| 2026-04-10 | +2.2% | earnings | Seeking Alpha | Tennant Company: CFO's Q4 Breakdown Proves Dividend Is Safe Despite The ERP Disaster - Seeking Alpha |
| 2024-02-22 | +2.1% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2026-04-21 | +2.0% | news | Business Wire | Tennant Company to Report First Quarter 2026 Results on May 4, 2026 |
| 2026-04-21 | +2.0% | earnings | Stock Titan | Tennant will post quarterly results May 4, then take investor questions - Stock Titan |
| 2026-03-09 | +2.0% | news | TradingView | Mario Gabelli Discloses Investment at Tennant Co. with 5.0% Stake - TradingView |
| 2026-03-09 | +2.0% | analyst | MSN | Freedom Capital turns cautious on Tennant (TNC), downgrades stock to hold - MSN |
| 2026-02-27 | -1.9% | legal | SEC EDGAR | TNC 8-K: 5.02 (SEC Filing) |
| 2026-02-27 | -1.9% | executive | Stock Titan | Tennant Company (TNC) transformation chief to retire in September 2026 - Stock Titan |
| 2022-08-09 | +1.8% | legal | SEC EDGAR | TNC 8-K: 5.02 and (SEC Filing) |
| 2022-08-09 | +1.8% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2026-02-26 | -1.7% | news | PR Newswire | INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Tennant Company - TNC - PR Newswire |
| 2026-03-25 | +1.7% | legal | GlobeNewswire | TNC Investigation: Tennant Company Investigated for - GlobeNewswire |
| 2026-04-15 | -1.7% | news | Simply Wall St. | Undervalued Small Caps With Insider Buying In April 2026 |
| 2026-02-13 | +1.5% | legal | SEC EDGAR | TNC 8-K: 1.01, 5.02, 7.01 (SEC Filing) |
| 2025-06-11 | -1.4% | news | Seeking Alpha | Tennant Company: Still Attractive, Even In Light Of Expected Weakness |
| 2025-06-11 | -1.4% | news | Seeking Alpha | Tennant Company: Still Attractive, Even In Light Of Expected Weakness (NYSE:TNC) - Seeking Alpha |
| 2025-04-29 | -1.4% | news | Seeking Alpha | Tennant declares $0.295 dividend |
| 2025-04-29 | -1.4% | earnings | Seeking Alpha | Tennant Q1 2025 Earnings Preview |
| 2021-09-15 | -1.2% | news | The Motley Fool | Tennant - TNC - Stock Price & News - The Motley Fool |
| 2022-05-05 | -1.1% | legal | SEC EDGAR | TNC 8-K: 5.02 (SEC Filing) |
| 2023-11-03 | +1.1% | news | Seeking Alpha | Tennant Company Stock: A Potential Upside In Cleaning (At The Right Price) (NYSE:TNC) - Seeking Alpha |
| 2026-01-07 | +1.0% | news | simplywall.st | Tennant Repeat Insider Selling Not A Positive Indicator - simplywall.st |
| 2026-04-20 | +1.0% | news | Simply Wall St. | Undervalued Small Caps With Insider Buying Across Regions To Consider |
| 2024-05-16 | -0.9% | legal | SEC EDGAR | TNC 8-K: 5.02 and (SEC Filing) |
| 2025-02-18 | +0.8% | earnings | Seeking Alpha | Tennant Company 2024 Q4 - Results - Earnings Call Presentation |
| 2025-02-18 | +0.8% | earnings | Seeking Alpha | Tennant targets AMR revenue to exceed $100M by 2027 through strategic innovation |
| 2025-02-18 | +0.8% | earnings | Seeking Alpha | Tennant Company (TNC) Q4 2024 Earnings Call Transcript |
| 2025-02-18 | +0.8% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2023-05-22 | +0.7% | legal | SEC EDGAR | TNC 8-K: 5.02 (SEC Filing) |
| 2026-04-16 | -0.6% | news | Stock Titan | Tennant Co (NYSE: TNC) director exercises options and withholds shares for tax - Stock Titan |
| 2025-11-06 | +0.6% | earnings | Seeking Alpha | Tennant Company 2025 Q3 - Results - Earnings Call Presentation |
| 2026-04-13 | -0.6% | news | StockStory | 3 Inflated Stocks We Find Risky |
| 2026-04-23 | +0.5% | earnings | Cổng thông tin điện tử Tỉnh Sơn La | Is Tennant Company (TNC) stock in a good position today | Q4 2025: Earnings Underperform - Top Analyst Buy Signals - Cổng thông tin điện tử Tỉnh Sơn La |
| 2026-03-16 | -0.5% | news | Seeking Alpha | Tennant's Plunge Offers A Clean Opportunity For Upside |
| 2026-02-10 | +0.5% | news | Seeking Alpha | Tennant declares $0.31 dividend |
| 2026-02-10 | +0.5% | earnings | Finviz | 2 Profitable Stocks to Target This Week and 1 We Brush Off - Finviz |
| 2026-04-18 | +0.5% | news | Cổng thông tin điện tử tỉnh Tây Ninh | Tennant Company (TNC) Stock: Reversal Setup? (+0.56%) 2026-04-18 - Most Discussed Stocks - Cổng thông tin điện tử tỉnh Tây Ninh |
| 2026-04-18 | +0.5% | news | Cổng thông tin điện tử tỉnh Lào Cai | Tennant Company (TNC) Stock: Reversal Setup? (+0.56%) 2026-04-18 - Trending Entry Points - Cổng thông tin điện tử tỉnh Lào Cai |
| 2025-02-11 | -0.4% | news | Stock Titan | Dividend Alert: Tennant's Global Cleaning Giant Delivers $0.295 Payout Amid Record Sales Year - Stock Titan |
| 2025-08-05 | -0.4% | earnings | Seeking Alpha | Tennant Q2 2025 Earnings Preview |
| 2025-08-05 | -0.4% | news | Seeking Alpha | Tennant declares $0.295 dividend |
| 2023-08-08 | +0.4% | news | TradingView | TNC Stock Price and Chart — NYSE:TNC - TradingView |
| 2026-03-05 | -0.4% | news | PR Newswire | INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Tennant Company - TNC - PR Newswire |
| 2022-11-17 | -0.3% | legal | SEC EDGAR | TNC 8-K: 1.01, 2.03 (SEC Filing) |
| 2025-09-05 | -0.3% | news | Seeking Alpha | Tennant Company: Results Have Worsened, But Upside Remains |
| 2023-10-07 | +0.3% | earnings | TradingView | Tennant Company Revenue Breakdown – NYSE:TNC - TradingView |
| 2025-04-23 | -0.3% | news | simplywall.st | It's Unlikely That Shareholders Will Increase Tennant Company's (NYSE:TNC) Compensation By Much This Year - simplywall.st |
| 2022-02-24 | -0.3% | legal | SEC EDGAR | TNC 8-K: 2.02 and (SEC Filing) |
| 2026-02-21 | -0.3% | earnings | Finviz | Tennant (TNC) Reports Earnings Tomorrow: What To Expect - Finviz |
| 2025-10-29 | -0.3% | news | Seeking Alpha | Tennant declares $0.31 dividend |
| 2026-02-28 | -0.3% | news | Finviz | Tennant Company (TNC): A Bull Case Theory - Finviz |
| 2025-08-09 | +0.2% | earnings | Seeking Alpha | Tennant Company 2025 Q2 - Results - Earnings Call Presentation |
| 2025-08-09 | +0.2% | earnings | Seeking Alpha | Tennant Company (TNC) Q2 2025 Earnings Call Transcript |
| 2026-03-08 | -0.2% | analyst | Yahoo Finance | Freedom Capital Turns Cautious on Tennant (TNC), Downgrades Stock to Hold - Yahoo Finance |
| 2022-08-27 | -0.2% | analyst | Zacks Investment Research | What is the current Price Target and Forecast for Tennant (TNC) - Zacks Investment Research |
| 2026-04-17 | -0.2% | earnings | StockStory | Winners And Losers Of Q4: Tennant (NYSE:TNC) Vs The Rest Of The Water Infrastructure Stocks |
| 2026-04-17 | -0.2% | earnings | MarketBeat | Short Interest in Tennant Company (NYSE:TNC) Expands By 35.0% - MarketBeat |
| 2022-10-17 | -0.2% | analyst | eToro | Tennant Company (TNC) Stock Price, News & Analyst Forecast - eToro |
| 2025-04-17 | -0.2% | earnings | Stock Titan | Tennant Q1 2025 Earnings Preview: Global Cleaning Leader Reports After Record $1.29B Year - Stock Titan |
| 2021-04-29 | +0.1% | legal | SEC EDGAR | TNC 8-K: 1.01, 2.03, 8.01 (SEC Filing) |
| 2025-09-26 | -0.1% | earnings | simplywall.st | Tennant Company's (NYSE:TNC) Price In Tune With Earnings - simplywall.st |
| 2026-03-04 | -0.0% | legal | GlobeNewswire | TNC Investors Have Opportunity to Join Tennant Company Fraud Investigation with the Schall Law Firm - GlobeNewswire |
| 2026-04-24 | — | earnings | StockStory | Tennant (TNC): Buy, Sell, or Hold Post Q4 Earnings? |
| 2026-04-24 | — | news | Simply Wall St. | Exploring Three Undervalued Small Caps With Insider Buying Across Regions |
| 2026-04-24 | — | news | MEXC | TNC Price Today: TENNANT COMPANY Stock Price, Quote & Chart - MEXC |
| 2026-04-24 | — | legal | GlobeNewswire | TNC Legal Notification: Tennant Company Securities Class - GlobeNewswire |