| 2025-11-06 | -37.7% | news | Seeking Alpha | Cogent targets 25% long-haul wavelength market share in three years as delevering accelerates |
| 2025-11-06 | -37.7% | earnings | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Q3 2025 Earnings Call Transcript |
| 2025-11-06 | -37.7% | earnings | Seeking Alpha | Cogent Communications reports Q2 results |
| 2025-11-06 | -37.7% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-11-06 | -37.7% | news | Yahoo Finance | Why Cogent (CCOI) Shares Are Falling Today - Yahoo Finance |
| 2025-11-06 | -37.7% | earnings | Yahoo Finance | Cogent Communications (CCOI) Reports Q3 Loss, Misses Revenue Estimates - Yahoo Finance |
| 2025-11-06 | -37.7% | earnings | Yahoo Finance | Cogent (NASDAQ:CCOI) Misses Q3 Revenue Estimates, Stock Drops 21.5% - Yahoo Finance |
| 2025-11-06 | -37.7% | news | GuruFocus | Cogent (CCOI) Halts Stock Buyback Program - GuruFocus |
| 2025-11-06 | -37.7% | earnings | ChartMill | Cogent Communications Holdings (NASDAQ:CCOI) Plummets 22.6% on Q3 2025 Revenue Miss - ChartMill |
| 2025-11-06 | -37.7% | earnings | Quiver Quantitative | COGENT COMMUNICATIONS HLDGS Earnings Results: $CCOI Reports Quarterly Earnings - Quiver Quantitative |
| 2025-11-05 | -36.8% | earnings | Seeking Alpha | Cogent Communications Q3 2025 Earnings Preview |
| 2026-02-19 | -33.2% | earnings | Seeking Alpha | Cogent Communications Q4 2025 Earnings Preview |
| 2026-02-19 | -33.2% | news | Investing.com | Cogent Communications surges 66% after November undervaluation signal - Investing.com |
| 2026-02-20 | -31.8% | earnings | Seeking Alpha | Cogent anticipates 6%–8% multiyear revenue growth as on-net mix climbs to 61% amid Sprint runoff |
| 2026-02-20 | -31.8% | earnings | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Q4 2025 Earnings Call Transcript |
| 2026-02-20 | -31.8% | earnings | Seeking Alpha | Cogent Communications Holdings, Inc. 2025 Q4 - Results - Earnings Call Presentation |
| 2026-02-20 | -31.8% | earnings | Seeking Alpha | Cogent Communications GAAP EPS of -$0.64 beats by $0.33, revenue of $240.52M misses by $3.24M |
| 2026-02-20 | -31.8% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-02-20 | -31.8% | news | The Motley Fool | Why Cogent Communications Stock Crashed Today - The Motley Fool |
| 2026-02-20 | -31.8% | news | Yahoo Finance | Why Cogent Communications Stock Crashed Today - Yahoo Finance |
| 2026-02-20 | -31.8% | earnings | Yahoo Finance | Cogent Communications (CCOI) Reports Q4 Loss, Lags Revenue Estimates - Yahoo Finance |
| 2026-02-20 | -31.8% | news | Yahoo Finance | Why Cogent (CCOI) Shares Are Getting Obliterated Today - Yahoo Finance |
| 2026-02-20 | -31.8% | earnings | Yahoo Finance | Compared to Estimates, Cogent (CCOI) Q4 Earnings: A Look at Key Metrics - Yahoo Finance |
| 2026-02-20 | -31.8% | earnings | TradingView | Cogent (NASDAQ:CCOI) Misses Q4 CY2025 Sales Expectations - TradingView |
| 2026-02-20 | -31.8% | news | FinancialContent | The Great Fiber Pivot: A Deep Dive into Cogent Communications (Nasdaq: CCOI) - FinancialContent |
| 2026-02-20 | -31.8% | earnings | Quiver Quantitative | COGENT COMMUNICATIONS HLDGS ($CCOI) Releases Q4 2025 Earnings - Quiver Quantitative |
| 2026-02-20 | -31.8% | legal | TradingView | COGENT COMMUNICATIONS HOLDINGS, INC. SEC 10-K Report - TradingView |
| 2026-02-20 | -31.8% | earnings | Investing.com | Earnings call transcript: Cogent Communications Q4 2025 earnings show EPS beat, stock tumbles - Investing.com |
| 2025-08-07 | -30.9% | news | Seeking Alpha | Cogent Communications declares $1.015 dividend |
| 2025-08-07 | -30.9% | earnings | Seeking Alpha | Cogent Communications GAAP EPS of -$1.21 misses by $0.28, revenue of $246.2M misses by $1.47M |
| 2025-08-07 | -30.9% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-08-07 | -30.9% | earnings | PR Newswire | Cogent Communications Reports Second Quarter Results, Increases its Regular Quarterly Dividend on its Common Stock and Increases its Stock Buyback Program by $100.0 Million - PR Newswire |
| 2025-08-06 | -23.4% | earnings | Seeking Alpha | Cogent Communications Q2 2025 Earnings Preview |
| 2023-08-10 | +19.4% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-11-11 | -16.7% | news | TradingView | Why Cogent (CCOI) Shares Are Falling Today - TradingView |
| 2025-11-19 | -14.7% | news | Yahoo Finance | Why Cogent (CCOI) Stock Is Down Today - Yahoo Finance |
| 2025-11-17 | +14.6% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-11-17 | +14.6% | news | PR Newswire | Cogent Communications to Resume Stock Repurchase Program - PR Newswire |
| 2025-11-17 | +14.6% | news | Stock Titan | Cogent Communications (NASDAQ: CCOI) allows management to resume share buyback program - Stock Titan |
| 2025-11-07 | -13.0% | news | Seeking Alpha | Cogent Communications declares $0.02 dividend |
| 2025-11-07 | -13.0% | analyst | Investing.com | Cogent Communications stock rating downgraded by Wells Fargo on dividend cut - Investing.com |
| 2025-11-07 | -13.0% | analyst | Investing.com | Cogent Communications stock price target lowered to $30 by KeyBanc - Investing.com |
| 2025-08-18 | +10.8% | analyst | Seeking Alpha | Cogent shares jump after snagging a double upgrade from Wells Fargo |
| 2025-08-11 | +10.4% | news | Yahoo Finance | Cogent (CCOI) Stock Is Up, What You Need To Know - Yahoo Finance |
| 2025-08-11 | +10.4% | news | GuruFocus | Insider Sell: Dave Schaeffer Sells 818,909 Shares of Cogent Comm - GuruFocus |
| 2023-05-04 | -10.2% | legal | SEC EDGAR | CCOI 8-K: 5.02, 5.07 (SEC Filing) |
| 2023-05-04 | -10.2% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-03-12 | -9.8% | news | simplywall.st | Is Cogent Communications (CCOI) Now Attractively Priced After A 67.4% One Year Share Price Slump - simplywall.st |
| 2026-03-12 | -9.8% | news | The Motley Fool | One Fund Just Sold $8 Million From This Dividend-Paying Internet Stock. Here's What Investors Should Know - The Motley Fool |
| 2025-12-08 | +9.7% | news | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Presents at UBS Global Media and Communications Conference 2025 Transcript |
| 2025-12-08 | +9.7% | news | Investing.com | Kilmer, Cogent Communications VP, sells $94k in CCOI stock - Investing.com |
| 2026-03-11 | -9.2% | news | Yahoo Finance | Cogent Communications Carries the Internet but Its Stock Has Been Crushed - Yahoo Finance |
| 2026-03-11 | -9.2% | news | 24/7 Wall St. | Cogent Communications Carries the Internet but Its Stock Has Been Crushed - 24/7 Wall St. |
| 2025-08-08 | -9.0% | earnings | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Q2 2025 Earnings Call Transcript |
| 2025-08-08 | -9.0% | news | Yahoo Finance | Cogent (CCOI) Stock Trades Down, Here Is Why - Yahoo Finance |
| 2026-04-13 | +8.8% | news | Zacks | Lumen Focuses on EBITDA Recovery: Will Strategic Efforts Pay Off? |
| 2026-04-13 | +8.8% | news | StockStory | 2 Small-Cap Stocks for Long-Term Investors and 1 We Avoid |
| 2026-04-13 | +8.8% | news | Cổng thông tin điện tử tỉnh Tây Ninh | Is Cogent (CCOI) Stock Underperforming | Price at $20.71, Up 1.99% - Seasonal Patterns - Cổng thông tin điện tử tỉnh Tây Ninh |
| 2026-02-06 | +8.8% | news | Seeking Alpha | Small-cap stocks with lowest dividend growth grade |
| 2025-02-27 | -8.7% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-05-08 | -8.6% | legal | SEC EDGAR | CCOI 8-K: 5.02, 5.03, 5.07 (SEC Filing) |
| 2025-05-08 | -8.6% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-08-15 | +8.3% | legal | SEC EDGAR | CCOI 8-K: 5.02 and 7.01 (SEC Filing) |
| 2026-02-09 | +8.3% | news | Yahoo Finance | The Bull Case For Cogent Communications Holdings (CCOI) Could Change Following Its AI-Focused Wavelength Expansion Strategy - Yahoo Finance |
| 2026-01-07 | +8.1% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2022-08-04 | -7.9% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-11-18 | -7.8% | news | Seeking Alpha | Cogent Communications to resume stock repurchase program |
| 2025-11-18 | -7.8% | news | Yahoo Finance | Why Is Cogent (CCOI) Stock Soaring Today - Yahoo Finance |
| 2026-03-16 | +6.9% | news | Yahoo Finance | Here’s Why Madison Small Cap Decided to Step Back from Cogent Communications Holdings (CCOI) - Yahoo Finance |
| 2024-05-09 | -6.7% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2025-12-03 | -6.6% | news | Yahoo Finance | Why Cogent (CCOI) Shares Are Falling Today - Yahoo Finance |
| 2025-12-03 | -6.6% | news | FinancialContent | Why Cogent (CCOI) Shares Are Falling Today - FinancialContent |
| 2025-12-03 | -6.6% | news | TradingView | Why Cogent (CCOI) Shares Are Falling Today - TradingView |
| 2022-09-07 | -6.3% | legal | SEC EDGAR | CCOI 8-K: 1.01, 7.01 (SEC Filing) |
| 2025-08-12 | +6.2% | news | Seeking Alpha | Citi moves to the sidelines on Cogent over dividend cut risk in the near future |
| 2025-08-12 | +6.2% | news | Yahoo Finance | Cogent (CCOI) Stock Trades Down, Here Is Why - Yahoo Finance |
| 2026-04-06 | +5.6% | earnings | Seeking Alpha | Cogent Communications: Why The Stock Is A Sell Despite Improving Profitability |
| 2026-04-06 | +5.6% | earnings | Seeking Alpha | Cogent Communications: Why The Stock Is A Sell Despite Improving Profitability (CCOI) - Seeking Alpha |
| 2026-03-09 | -5.3% | news | Investing.com | Kilmer, Cogent Communications VP, sells $56k in stock - Investing.com |
| 2025-11-04 | -5.2% | news | Yahoo Finance | Bear of the Day: Cogent Communications (CCOI) - Yahoo Finance |
| 2025-11-04 | -5.2% | earnings | The Globe and Mail | Cogent Earnings: What To Look For From CCOI - The Globe and Mail |
| 2026-03-04 | +5.1% | news | Yahoo Finance | A Look At Cogent Communications Holdings (CCOI) Valuation After Recent Share Price Volatility - Yahoo Finance |
| 2025-12-31 | -5.1% | news | The Motley Fool | Cogent Communications VP Sells 4,800 Shares After Tumultuous Year - The Motley Fool |
| 2026-03-10 | -4.9% | news | simplywall.st | Will Cogent’s Refinancing And Data Center Monetization Plan Change Cogent Communications Holdings' (CCOI) Narrative - simplywall.st |
| 2021-04-28 | +4.7% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2021-04-28 | +4.7% | legal | SEC EDGAR | CCOI 8-K: 8.01 and (SEC Filing) |
| 2026-01-01 | -4.5% | news | PR Newswire | INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Cogent Communications Holdings, Inc. - CCOI - PR Newswire |
| 2026-04-02 | +4.4% | executive | Stock Titan | Cogent (NASDAQ: CCOI) CEO Schaeffer returns 58,667 shares and gifts 58,666 - Stock Titan |
| 2026-01-29 | +4.4% | news | Stock Titan | How to listen as Cogent reviews its 2025 results on Feb. 20 - Stock Titan |
| 2026-03-03 | +4.2% | news | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Presents at J.P. Morgan 2026 Global Leveraged Finance Conference Transcript |
| 2024-06-11 | +4.1% | legal | SEC EDGAR | CCOI 8-K: 1.01, 2.03 (SEC Filing) |
| 2024-02-29 | -4.0% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2023-02-23 | -3.9% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2021-08-05 | +3.8% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-04-10 | +3.7% | earnings | StockStory | 3 Unprofitable Stocks We Find Risky |
| 2025-09-28 | -3.6% | news | Yahoo Finance | Cogent Communications Holdings, Inc. (CCOI): A Bull Case Theory - Yahoo Finance |
| 2026-04-18 | +3.4% | news | StockStory | 3 Inflated Stocks That Concern Us |
| 2026-04-18 | +3.4% | news | simplywall.st | Cogent Communications Weighs Liquidity Risks Against Valuation Discount - simplywall.st |
| 2025-11-13 | -3.4% | news | Finimize | Cogent Communications' Stock Stumbles Despite Promising Growth Segments - Finimize |
| 2026-03-22 | +3.4% | news | The Motley Fool | Why a Full Exit From Cogent Communications Amid a 74% Stock Drop Could Matter for Investors - The Motley Fool |
| 2026-03-22 | +3.4% | earnings | StocksToTrade | Cogent Communications Faces Legal Scrutiny Amid Earnings Setback - StocksToTrade |
| 2026-03-07 | -3.3% | executive | Yahoo Finance | Cogent Communications CEO: AI Could Reignite Internet Traffic as Price Compression Persists - Yahoo Finance |
| 2024-08-08 | +3.2% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-01-08 | +3.1% | news | Trefis | How Does Cogent Communications Stock Compare With Peers? - Trefis |
| 2023-01-11 | +3.0% | legal | SEC EDGAR | CCOI 8-K: 1.01 and (SEC Filing) |
| 2025-12-21 | +3.0% | news | Trefis | Cogent Communications Stock Drop Looks Sharp, But How Deep Can It Go? - Trefis |
| 2022-06-22 | +2.9% | legal | SEC EDGAR | CCOI 8-K: 1.01, 2.03 (SEC Filing) |
| 2026-02-21 | -2.9% | earnings | StocksToTrade | Cogent Communications Faces Plummeting Stock as Revenue Misses, Dividends Slash - StocksToTrade |
| 2021-11-04 | -2.8% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-02-07 | +2.7% | news | Yahoo Finance | Cogent Communications Holdings, Inc. (CCOI): A Bull Case Theory - Yahoo Finance |
| 2025-03-12 | -2.5% | legal | SEC EDGAR | CCOI 8-K: 1.01 and (SEC Filing) |
| 2025-08-19 | +2.4% | news | Seeking Alpha | Cogent Communications: Plenty Of Concerns, But The Wavelength Opportunity Looks Promising |
| 2025-11-28 | +2.4% | news | Yahoo Finance | Recurve Capital’s Updates on Cogent Communications Holdings (CCOI) - Yahoo Finance |
| 2025-12-28 | -2.3% | news | Yahoo Finance | Cogent Communications (CCOI) Seen as Potential Comeback Telecom Stock in 2026 - Yahoo Finance |
| 2026-02-25 | -2.3% | executive | Yahoo Finance | KeyBanc Lowers Cogent Communications (CCOI) Valuation After Disappointing Quarter - Yahoo Finance |
| 2024-11-07 | -2.3% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-02-23 | +2.2% | analyst | Investing.com | UBS cuts Cogent Communications stock price target on slower growth - Investing.com |
| 2026-02-23 | +2.2% | executive | Stock Titan | Internet provider Cogent's CEO to speak in Orlando, Miami and San Francisco - Stock Titan |
| 2026-02-23 | +2.2% | news | Finviz | Cogent, Tetra Tech, Lumen, EPAM, and ASGN Shares Are Falling, What You Need To Know - Finviz |
| 2026-02-23 | +2.2% | analyst | Investing.com | TD Cowen cuts Cogent Communications stock price target on data center sale delays - Investing.com |
| 2026-02-23 | +2.2% | earnings | TradingView | Cogent Incurs Narrower-Than-Expected Q4 Loss Despite Lower Revenues - TradingView |
| 2026-04-15 | +2.1% | news | StockStory | Cogent and Concentrix Shares Skyrocket, What You Need To Know |
| 2026-04-15 | +2.1% | news | Zacks | Can LUMN's Vyvx Hybrid Turn Broadcast Disruption Into Opportunity? |
| 2026-04-15 | +2.1% | earnings | PR Newswire | Cogent Communications to Host First Quarter 2026 Earnings Call on May 4, 2026 |
| 2026-04-15 | +2.1% | earnings | Stock Titan | Cogent posts Q1 results May 4, then takes investor questions - Stock Titan |
| 2025-09-03 | -2.1% | news | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Presents At Citi's 2025 Global Technology, Media And Telecommunications Conference Transcript |
| 2025-09-08 | -2.1% | news | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Presents At Goldman Sachs Communicopia + Technology Conference 2025 (Transcript) |
| 2025-04-11 | +2.0% | legal | SEC EDGAR | CCOI 8-K: 1.01, 2.03 (SEC Filing) |
| 2022-01-05 | -2.0% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2026-03-13 | -2.0% | news | Stock Titan | Head of one of the largest internet providers to speak in New York - Stock Titan |
| 2022-05-04 | +1.9% | legal | SEC EDGAR | CCOI 8-K: 5.02, 5.03, 5.07 (SEC Filing) |
| 2022-02-24 | +1.8% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-03-15 | +1.8% | news | The Motley Fool | This Internet Infrastructure Stock Plunged 72% in a Year, so Why Did an Investor Buy Up $12 Million? - The Motley Fool |
| 2026-03-14 | +1.8% | legal | Business Wire | CCOI Investor News: Rosen Law Firm Announces Investigation of Breaches of Fiduciary Duties by the Directors and Officers of Cogent Communications Holdings, Inc. – CCOI - Business Wire |
| 2022-11-03 | +1.8% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2026-03-05 | +1.8% | news | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Presents at Morgan Stanley Technology, Media & Telecom Conference 2026 Transcript |
| 2026-03-05 | +1.8% | news | Investing.com | Kennedy sells Cogent Communications (CCOI) shares for $75,867 - Investing.com |
| 2026-04-08 | -1.7% | analyst | Yahoo Finance | Why The Narrative Around Cogent Communications Holdings (CCOI) Is Shifting After Analyst Target Resets - Yahoo Finance |
| 2023-01-06 | +1.7% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2026-01-25 | -1.6% | executive | Yahoo Finance | A Look At Cogent Communications Holdings (CCOI) Valuation After Governance Probe And CEO Share Seizure News - Yahoo Finance |
| 2023-11-09 | -1.6% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2022-05-05 | -1.6% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2025-09-04 | +1.5% | news | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Presents At Bank Of America 2025 Media, Communications & Entertainment Conference Transcript |
| 2026-04-22 | +1.4% | news | Simply Wall St. | Assessing Cogent Communications Holdings (CCOI) Valuation After A Volatile Year And Recent Share Price Rebound |
| 2026-04-22 | +1.4% | news | Yahoo Finance | Assessing Cogent Communications Holdings (CCOI) Valuation After A Volatile Year And Recent Share Price Rebound - Yahoo Finance |
| 2024-01-05 | -1.4% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2026-01-10 | +1.3% | news | Yahoo Finance | Is Cogent Communications Holdings (CCOI) A Potential Opportunity After A 1-Year 65.9% Share Price Decline - Yahoo Finance |
| 2026-01-10 | +1.3% | news | Stock Traders Daily | Precision Trading with Cogent Communications Holdings Inc. (CCOI) Risk Zones - Stock Traders Daily |
| 2025-01-15 | -1.3% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2021-05-11 | -1.2% | legal | SEC EDGAR | CCOI 8-K: 1.01, 2.03 (SEC Filing) |
| 2026-02-01 | +1.2% | news | The Motley Fool | After a 65% Slide, One Fund Clears Out This Internet Infrastructure Stock Entirely - The Motley Fool |
| 2026-03-31 | +1.2% | earnings | Stock Titan | Cogent Communications (NASDAQ: CCOI) director granted 3,445 shares as Q1 2026 board pay - Stock Titan |
| 2026-03-31 | +1.2% | earnings | Stock Titan | Cogent Communications (CCOI) director awarded 3,445 shares for Q1 2026 service - Stock Titan |
| 2026-03-31 | +1.2% | earnings | Stock Titan | Cogent (NASDAQ: CCOI) director granted 3,445 shares as Q1 2026 fee - Stock Titan |
| 2026-03-31 | +1.2% | earnings | Stock Titan | Director Marc Montagner receives 3,445 CCOI shares for Q1 2026 service - Stock Titan |
| 2026-03-31 | +1.2% | earnings | Stock Titan | Cogent (CCOI) director Paul de Sa receives 3,445-share Q1 2026 stock grant - Stock Titan |
| 2026-03-31 | +1.2% | earnings | Stock Titan | Director Steven Brooks receives 3,445 CCOI shares for Q1 2026 service - Stock Titan |
| 2024-05-06 | -1.1% | legal | SEC EDGAR | CCOI 8-K: 1.01, 2.03 (SEC Filing) |
| 2023-07-27 | +1.0% | legal | SEC EDGAR | CCOI 8-K: 1.01 and (SEC Filing) |
| 2026-04-16 | -1.0% | news | Zacks | Lumen & Amazon Web Services Partner to Simplify Cloud Connectivity |
| 2026-01-19 | -1.0% | legal | Business Wire | The Law Offices of Frank R. Cruz Announces Investigation of Cogent Communications Holdings, Inc. (CCOI) on Behalf of Investors - Business Wire |
| 2025-11-20 | +1.0% | executive | Stock Titan | Cogent (NASDAQ: CCOI) CEO to Speak at BofA, UBS and Raymond James Conferences - Stock Titan |
| 2025-11-20 | +1.0% | news | TradingView | Stocks making big moves yesterday: Cogent, Wix, WESCO, LGI Homes, and Evolent Health - TradingView |
| 2022-04-29 | +0.7% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2022-04-29 | +0.7% | legal | SEC EDGAR | CCOI 8-K: 2.02 and (SEC Filing) |
| 2021-06-04 | +0.7% | legal | SEC EDGAR | CCOI 8-K: 5.02 (SEC Filing) |
| 2023-08-29 | +0.7% | legal | SEC EDGAR | CCOI 8-K: 5.02 (SEC Filing) |
| 2026-03-25 | -0.7% | analyst | Yahoo Finance | How The Investment Story Is Shifting For Cogent Communications (CCOI) After Mixed Analyst Reactions - Yahoo Finance |
| 2026-03-25 | -0.7% | news | Yahoo Finance | Lumen vs. Cogent: Which Enterprise Fiber Stock Is the Better Buy? - Yahoo Finance |
| 2025-06-17 | +0.5% | legal | SEC EDGAR | CCOI 8-K: 1.01, 2.03 (SEC Filing) |
| 2026-03-26 | -0.5% | news | Stock Titan | Vanguard Amendment No.17 Shows 0% Stake in Cogent (CCOI) - Stock Titan |
| 2022-06-27 | +0.4% | legal | SEC EDGAR | CCOI 8-K: 5.02 (SEC Filing) |
| 2026-04-20 | +0.3% | news | simplywall.st | A Look At Cogent Communications Holdings’s Valuation After Its Recent Share Price Rebound - simplywall.st |
| 2026-04-20 | +0.3% | news | ChartMill | CCOI Stock Chart | COGENT COMMUNICATIONS HOLDIN (NASDAQ:CCOI) - ChartMill |
| 2025-09-17 | +0.2% | earnings | Seeking Alpha | Cogent Communications: Attractive Dividend And Earnings Growth Path |
| 2025-09-17 | +0.2% | earnings | Seeking Alpha | Cogent Communications: Attractive Dividend And Earnings Growth Path (NASDAQ:CCOI) - Seeking Alpha |
| 2025-08-24 | +0.2% | earnings | Yahoo Finance | Will Cogent (CCOI) Leverage New Leadership to Reinforce Its Revenue Momentum and Sales Strategy? - Yahoo Finance |
| 2025-11-27 | -0.1% | earnings | Seeking Alpha | Cogent Communications Holdings, Inc. 2025 Q3 - Results - Earnings Call Presentation |
| 2025-11-27 | -0.1% | earnings | Yahoo Finance | Q3 Earnings Highlights: Cogent (NASDAQ:CCOI) Vs The Rest Of The Telecommunication Services Stocks - Yahoo Finance |
| 2022-08-08 | -0.1% | legal | SEC EDGAR | CCOI 8-K: 5.02 (SEC Filing) |
| 2023-05-01 | -0.1% | legal | SEC EDGAR | CCOI 8-K: 1.01, 2.01, 7.01 (SEC Filing) |
| 2025-12-02 | +0.1% | news | Seeking Alpha | Cogent Communications Holdings, Inc. (CCOI) Presents at Bank of America Leveraged Finance Conference Transcript |
| 2025-12-02 | +0.1% | news | Seeking Alpha | Cogent Communications: Dividends Cut; Asset Monetization Could Serve As Next Catalyst |
| 2025-12-02 | +0.1% | news | Seeking Alpha | Cogent Communications: Dividends Cut; Asset Monetization Could Serve As Next Catalyst - Seeking Alpha |
| 2021-12-30 | -0.0% | legal | SEC EDGAR | CCOI 8-K: 5.02 and (SEC Filing) |
| 2026-04-25 | — | news | simplywall.st | Does Mounting Balance Sheet Strain Change The Bull Case For Cogent Communications Holdings (CCOI)? - simplywall.st |
| 2026-04-24 | — | news | StockStory | 3 Reasons CCOI is Risky and 1 Stock to Buy Instead |
| 2026-04-24 | — | news | MEXC Exchange | CCOI Price Today: Cogent Communications Holdings, Inc. Stock Price, Quote & Chart | MEXC - MEXC Exchange |