| 2022-02-15 | -37.5% | legal | SEC EDGAR | MASI 8-K: 1.01 and (SEC Filing) |
| 2022-02-15 | -37.5% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-02-17 | +34.3% | M&A | Seeking Alpha | Masimo: Danaher Acquisition Saves The Company From Lackluster Performance |
| 2026-02-17 | +34.3% | M&A | Seeking Alpha | Masimo stock surges on $180 per share Danaher acquisition deal |
| 2026-02-17 | +34.3% | legal | SEC EDGAR | MASI 8-K: 1.01, 7.01 (SEC Filing) |
| 2026-02-17 | +34.3% | news | Quiver Quantitative | Masimo shares jump 34% after Danaher agrees to buy the company for $180 per share in cash - Quiver Quantitative |
| 2026-02-17 | +34.3% | M&A | Yahoo Finance | Masimo (MASI) Climbs 34% on $9.9-Billion Danaher Merger - Yahoo Finance |
| 2026-02-17 | +34.3% | news | Finviz | 3 Reasons MASI is Risky and 1 Stock to Buy Instead - Finviz |
| 2026-02-17 | +34.3% | M&A | Seeking Alpha | Masimo: Danaher Acquisition Saves The Company From Lackluster Performance (NASDAQ:MASI) - Seeking Alpha |
| 2026-02-17 | +34.3% | news | Benzinga | Why Is Masimo Stock Skyrocketing Tuesday? - Danaher (NYSE:DHR), Masimo (NASDAQ:MASI) - Benzinga |
| 2026-02-17 | +34.3% | M&A | Seeking Alpha | Masimo stock surges on $180 per share Danaher acquisition deal (DHR:NYSE) - Seeking Alpha |
| 2026-02-17 | +34.3% | news | marketscreener.com | MASI Stock Alert: Halper Sadeh LLC is Investigating Whether Masimo Corporation is Obtaining a Fair Price for Its Shareholders - marketscreener.com |
| 2026-02-17 | +34.3% | M&A | Stock Titan | Danaher to acquire Masimo (NASDAQ: MASI) in $9.9B all-cash deal - Stock Titan |
| 2026-02-17 | +34.3% | news | StocksToTrade | Masimo Poised to Announce Year-End Results as Financial Community Awaits - StocksToTrade |
| 2026-02-17 | +34.3% | M&A | TradingView | Masimo to Be Acquired by Danaher in $180-Per-Share All-Cash Merger - TradingView |
| 2026-02-17 | +34.3% | M&A | bitget.com | Shares of Masimo, Danaher Moving on Acquisition Buzz - bitget.com |
| 2026-02-17 | +34.3% | M&A | Stock Titan | $180-a-share patient-monitoring deal: Danaher moves to buy Masimo - Stock Titan |
| 2026-02-17 | +34.3% | news | Stock Titan | Danaher spends $9.9B on Masimo’s hospital monitoring tech - Stock Titan |
| 2026-02-17 | +34.3% | M&A | TipRanks | Masimo to Be Acquired by Danaher in Merger - TipRanks |
| 2026-02-17 | +34.3% | earnings | StocksToTrade | Masimo Q4 Earnings Release Signals Market Reaction - StocksToTrade |
| 2026-02-17 | +34.3% | earnings | StocksToTrade | Masimo Preps for Q-Financal Reveal After Market Hours - StocksToTrade |
| 2026-02-17 | +34.3% | news | timothysykes.com | Masimo Prepares for Strong Financial Report in February - timothysykes.com |
| 2026-02-17 | +34.3% | news | Benzinga | Stock Market Today: Dow, Nasdaq, S&P 500 Futures Drop— ZIM Integrated Shipping, Masimo, Toll Brothers In - Benzinga |
| 2026-02-17 | +34.3% | earnings | Benzinga | Sonoco Products Posts Upbeat Q4 Earnings, Joins Compass Pathways, Masimo, Itron And Other Big Stocks Movi - Benzinga |
| 2026-02-16 | +34.1% | M&A | GuruFocus | Danaher (DHR) Nears $10 Billion Acquisition of Masimo (MASI) - GuruFocus |
| 2023-07-18 | -24.7% | news | Barron's | Masimo’s Weak Sales Forecast Sinks the Stock. What Has Wall Street Worried. - Barron's |
| 2023-07-17 | -22.4% | legal | SEC EDGAR | MASI 8-K: 2.02 and (SEC Filing) |
| 2024-08-06 | +16.9% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-05-07 | -13.1% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-08-06 | -12.3% | earnings | Seeking Alpha | Masimo outlines 24–30% EPS growth for 2025 while advancing commercial strategy and tariff mitigation |
| 2025-08-06 | -12.3% | earnings | Seeking Alpha | Masimo Corporation (MASI) Q2 2025 Earnings Call Transcript |
| 2025-08-06 | -12.3% | earnings | Seeking Alpha | Masimo Corporation 2025 Q2 - Results - Earnings Call Presentation |
| 2024-09-20 | +12.1% | executive | MassDevice | Politan declares victory in Masimo board battle, claiming founder and CEO Joe Kiani’s seat - MassDevice |
| 2025-02-25 | +12.0% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-07-01 | -10.8% | legal | SEC EDGAR | MASI 8-K: 5.02, 7.01 (SEC Filing) |
| 2025-08-05 | -10.6% | earnings | Seeking Alpha | Masimo Non-GAAP EPS of $1.33 beats by $0.11, revenue of $370.3M beats by $1.65M |
| 2025-08-05 | -10.6% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-08-05 | -10.6% | earnings | Yahoo Finance | Masimo’s (NASDAQ:MASI) Q2: Beats On Revenue But Stock Drops - Yahoo Finance |
| 2022-11-08 | -10.6% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-11-05 | +10.0% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-05-08 | -9.3% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2026-01-14 | +8.0% | earnings | StocksToTrade | Masimo Surpasses Earnings Expectations with Strong Revenue Growth - StocksToTrade |
| 2025-05-06 | -7.4% | earnings | Seeking Alpha | Masimo Non-GAAP EPS of $1.36 beats by $0.15, revenue of $371M beats by $3.21M |
| 2025-05-06 | -7.4% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-05-06 | -7.4% | legal | SEC EDGAR | MASI 8-K: 1.01, 7.01 (SEC Filing) |
| 2025-05-06 | -7.4% | legal | SEC EDGAR | MASI 8-K: 8.01 (SEC Filing) |
| 2025-09-04 | +7.1% | news | Seeking Alpha | Masimo Corporation (MASI) Presents At Wells Fargo 20th Annual Healthcare Conference 2025 Transcript |
| 2023-05-09 | -7.0% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-03 | +6.9% | earnings | Seeking Alpha | Masimo Q3 2025 Earnings Preview |
| 2026-01-12 | -6.5% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2026-01-12 | -6.5% | news | Kalkine Media | Masimo Corporation (NASDAQ:MASI) Nasdaq Composite Signals MedTech Focus - Kalkine Media |
| 2022-03-30 | -6.5% | legal | SEC EDGAR | MASI 8-K: 2.02 and (SEC Filing) |
| 2024-07-09 | -6.1% | legal | SEC EDGAR | MASI 8-K: 2.02 and (SEC Filing) |
| 2025-05-07 | -6.0% | earnings | Seeking Alpha | Masimo Corporation (MASI) Q1 2025 Earnings Call Transcript |
| 2025-05-07 | -6.0% | earnings | Seeking Alpha | Masimo Corporation 2025 Q1 - Results - Earnings Call Presentation |
| 2025-05-07 | -6.0% | legal | SEC EDGAR | MASI 8-K: 1.01 and (SEC Filing) |
| 2026-01-05 | +6.0% | news | Yahoo Finance | Here's Why You Should Retain Masimo Stock in Your Portfolio Now - Yahoo Finance |
| 2024-01-10 | +5.5% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-08-04 | +5.4% | earnings | Seeking Alpha | Masimo Q2 2025 Earnings Preview |
| 2024-09-25 | +5.3% | legal | SEC EDGAR | MASI 8-K: 2.02, 5.02, 5.07, 7.01 (SEC Filing) |
| 2023-02-28 | +4.8% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2023-02-28 | +4.8% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2024-05-11 | -4.6% | earnings | MarketBeat | Masimo (MASI) Stock Forecast and Price Target 2026 - MarketBeat |
| 2025-08-19 | -4.6% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2024-01-16 | +4.5% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2022-01-14 | -4.2% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2025-01-31 | -4.1% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2022-05-03 | +4.0% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-10-28 | -3.8% | executive | Seeking Alpha | Baron Health Care Fund buys ABBV, UNH, ROIV; exits WAT and COO |
| 2022-07-13 | -3.7% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2026-04-08 | -3.4% | executive | GlobeNewswire | Telix Strengthens Board with Additional Director Appointments |
| 2025-05-09 | +3.3% | news | Yahoo Finance | Do You Believe in the Growth Potential of Masimo Corporation (MASI)? - Yahoo Finance |
| 2022-05-31 | -3.2% | legal | SEC EDGAR | MASI 8-K: 5.02, 5.07 (SEC Filing) |
| 2026-03-18 | +3.2% | news | Stock Titan | Danaher to buy Masimo (MASI) for $180 a share; $305M breakup fee - Stock Titan |
| 2025-11-17 | -3.0% | news | Seeking Alpha | US trade tribunal to hold new proceeding to consider Apple Watch import ban: report |
| 2025-11-17 | -3.0% | news | Investing.com | Masimo stock may rise after $634M patent verdict against Apple, Stifel says - Investing.com |
| 2025-11-17 | -3.0% | news | Benzinga | Apple Ordered To Pay Over $600 Million In Smartwatch Patent Case Against Masimo - Masimo (NASDAQ:MASI) - Benzinga |
| 2023-08-08 | -3.0% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-06-12 | -2.8% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2025-11-05 | -2.7% | earnings | Seeking Alpha | Masimo Corporation 2025 Q3 - Results - Earnings Call Presentation |
| 2025-11-05 | -2.7% | earnings | Seeking Alpha | Masimo raises EPS guidance to $5.40–$5.55 while advancing AI-enabled monitoring and Philips partnership |
| 2025-11-05 | -2.7% | earnings | Seeking Alpha | Masimo Corporation (MASI) Q3 2025 Earnings Call Transcript |
| 2026-04-07 | -2.7% | news | Business Wire | Masimo Investor Alert: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Masimo Corporation - MASI - Business Wire |
| 2021-06-01 | -2.5% | legal | SEC EDGAR | MASI 8-K: 5.02, 5.07 (SEC Filing) |
| 2026-01-15 | +2.4% | news | Seeking Alpha | Masimo Corporation (MASI) Presents at 44th Annual J.P. Morgan Healthcare Conference Transcript |
| 2025-12-04 | +2.3% | analyst | Seeking Alpha | Masimo Corporation (MASI) Analyst/Investor Day Transcript |
| 2025-12-04 | +2.3% | news | Benzinga | What's Going On With Masimo Stock Thursday? - Masimo (NASDAQ:MASI) - Benzinga |
| 2026-03-27 | +2.3% | analyst | The Fly | Wix downgraded, TripAdvisor upgraded: Wall Street's top analyst calls |
| 2026-03-27 | +2.3% | analyst | 24/7 Wall St. | Here Are Friday’s Top Wall Street Analyst Research Calls: Brown-Forman, Chord Energy, Emerson Electric, FuboTV, Genmab, Honeywell, Knight-Swift, Wix.Com, and More |
| 2026-03-27 | +2.3% | analyst | MT Newswires | Raymond James Downgrades Masimo to Market Perform From Outperform |
| 2026-03-27 | +2.3% | news | Stock Titan | The Vanguard Group discloses 0 shares in Masimo Corp (NASDAQ: MASI) - Stock Titan |
| 2026-04-13 | -2.2% | earnings | Cổng thông tin điện tử tỉnh Tây Ninh | Is Masimo Corporation (MASI) Stock better than industry peers | MASI Q4 Earnings: Beats Estimates by $0.09 - Stock Analysis Community - Cổng thông tin điện tử tỉnh Tây Ninh |
| 2026-04-13 | -2.2% | news | Cổng thông tin điện tử tỉnh Lào Cai | Is Masimo Corporation (MASI) Stock still in growth phase | Price at $178.31, Down 0.01% - Elite Trading Signals - Cổng thông tin điện tử tỉnh Lào Cai |
| 2026-04-13 | -2.2% | earnings | Cổng thông tin điện tử Tỉnh Sơn La | Is Masimo Corporation (MASI) Stock better than industry peers | MASI Q4 Earnings: Beats Estimates by $0.09 - Stock Analysis Community - Cổng thông tin điện tử Tỉnh Sơn La |
| 2022-04-12 | -2.2% | legal | SEC EDGAR | MASI 8-K: 1.01, 1.02, 2.01, 2.03, 5.02, 7.01 (SEC Filing) |
| 2022-04-12 | -2.2% | M&A | MassDevice | Masimo completes acquisition of Sound United - MassDevice |
| 2026-03-30 | -2.1% | earnings | StockStory | 2 Unprofitable Stocks to Research Further and 1 Facing Headwinds |
| 2023-11-07 | +2.1% | legal | SEC EDGAR | MASI 8-K: 5.02 (SEC Filing) |
| 2023-11-07 | +2.1% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-03-06 | +2.1% | news | CNN | symbol__ Stock Quote Price and Forecast - CNN |
| 2025-06-19 | +2.0% | news | simplywall.st | Is Masimo (NASDAQ:MASI) Using Too Much Debt? - simplywall.st |
| 2025-11-15 | -1.8% | news | Seeking Alpha | Masimo wins jury verdict of $634M in patent suit against Apple |
| 2025-05-27 | +1.8% | legal | Seeking Alpha | Masimo to reaffirm outlook; rules out impact from cybersecurity event |
| 2025-05-27 | +1.8% | legal | SEC EDGAR | MASI 8-K: 7.01, 8.01 (SEC Filing) |
| 2021-10-26 | +1.7% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2024-06-07 | +1.7% | legal | SEC EDGAR | MASI 8-K: 8.01 and (SEC Filing) |
| 2024-10-29 | +1.7% | legal | SEC EDGAR | MASI 8-K: 2.02, 5.02 (SEC Filing) |
| 2022-08-01 | +1.7% | analyst | Zacks Investment Research | What is the current Price Target and Forecast for Masimo (MASI) - Zacks Investment Research |
| 2023-06-28 | +1.7% | legal | SEC EDGAR | MASI 8-K: 5.02, 5.03, 5.07 (SEC Filing) |
| 2026-02-24 | -1.7% | earnings | Finviz | Earnings To Watch: Masimo (MASI) Reports Q4 Results Tomorrow - Finviz |
| 2026-02-24 | -1.7% | M&A | Financial Times | Are MASI, THR, CECO Obtaining Fair Deals for their Shareholders? – Company Announcement - Financial Times |
| 2023-03-23 | -1.7% | legal | SEC EDGAR | MASI 8-K: 1.01, 1.02, 3.03, 7.01 (SEC Filing) |
| 2024-02-27 | -1.6% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-02-19 | -1.6% | legal | SEC EDGAR | MASI 8-K: 5.03, 5.08, 8.01 (SEC Filing) |
| 2025-12-26 | -1.5% | news | Seeking Alpha | Apple Watch US imports continue after judge rejects ban related to blood-oxygen sensor patent case: report |
| 2025-09-26 | +1.4% | news | TradingView | ETFs Investing in Masimo Corporation Stocks - TradingView |
| 2025-07-10 | -1.4% | news | simplywall.st | Masimo (NASDAQ:MASI) pulls back 3.5% this week, but still delivers shareholders notable 55% return over 1 year - simplywall.st |
| 2024-02-15 | +1.3% | legal | SEC EDGAR | MASI 8-K: 5.02 (SEC Filing) |
| 2026-01-07 | +1.3% | news | Stock Titan | How to watch Masimo’s talk at the J.P. Morgan 2026 healthcare event - Stock Titan |
| 2022-05-20 | -1.3% | legal | SEC EDGAR | MASI 8-K: 1.01, 2.03 (SEC Filing) |
| 2026-02-05 | +1.2% | news | simplywall.st | Pleasing Signs As A Number Of Insiders Buy Masimo Stock - simplywall.st |
| 2026-02-26 | +1.2% | M&A | Strata-gee.com | Masimo Acquired by Danaher: Is This the Conclusion to an Epic Saga? - Strata-gee.com |
| 2025-08-08 | +1.1% | earnings | Strata-gee.com | Masimo Reports Fiscal 2025 Q2 Results: Revenues +8%, Op Profits +54%, EPS +78%; So Why Did Its Stock Drop 12%? - Strata-gee.com |
| 2026-02-21 | +1.1% | M&A | Seeking Alpha | Key deals this week: Visa, Hims & Hers Health, Salesforce and more |
| 2025-11-04 | -1.1% | earnings | Seeking Alpha | Masimo Non-GAAP EPS of $1.32 beats by $0.12, revenue of $371.2M beats by $4.34M |
| 2025-11-04 | -1.1% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-11-04 | -1.1% | earnings | Yahoo Finance | Here’s Why Masimo Corporation (MASI) Declined in Q3 - Yahoo Finance |
| 2025-11-04 | -1.1% | earnings | Investing.com | Earnings call transcript: Masimo Q3 2025 earnings beat forecasts, stock rises - Investing.com |
| 2026-04-15 | -1.1% | expansion | MT Newswires | Masimo Wins Contract Extension From Defense Logistics Agency |
| 2026-04-15 | -1.1% | expansion | Seeking Alpha | Masimo lands $100M contract modification for patient monitoring |
| 2022-09-09 | -1.0% | legal | SEC EDGAR | MASI 8-K: 1.01, 3.03, 5.03 (SEC Filing) |
| 2026-02-04 | -1.0% | news | Yahoo Finance | Here's Why You Should Add Masimo Stock to Your Portfolio Now - Yahoo Finance |
| 2025-06-23 | +1.0% | news | Seeking Alpha | Masimo Corporation: A Much Cleaner Picture |
| 2025-01-21 | -1.0% | legal | SEC EDGAR | MASI 8-K: 5.02, 7.01 (SEC Filing) |
| 2025-08-21 | +0.9% | news | Seeking Alpha | US Customs sued by Masimo over approval of Apple Watch imports with blood oxygen feature |
| 2026-04-17 | -0.9% | earnings | MarketBeat | Masimo Corporation (NASDAQ:MASI) Short Interest Update - MarketBeat |
| 2024-07-16 | +0.9% | legal | SEC EDGAR | MASI 8-K: 5.08, 8.01 (SEC Filing) |
| 2026-04-11 | -0.9% | M&A | Simply Wall St. | Masimo Buyout By Danaher Faces Shareholder Scrutiny On Deal Value |
| 2025-12-05 | -0.9% | analyst | Seeking Alpha | Masimo Corporation (MASI) Analyst/Investor Day - Slideshow |
| 2025-12-05 | -0.9% | news | Yahoo Finance | Masimo (MASI) Stock Is Up, What You Need To Know - Yahoo Finance |
| 2026-04-20 | +0.9% | news | MT Newswires | Apple Prevails as ITC Rejects Masimo's Push to Reinstate Import Ban on Apple Watches |
| 2026-04-20 | +0.9% | news | DirectorsTalk Interviews | Masimo Corporation (MASI) Stock Analysis: A Healthcare Beacon with Steady Growth and Innovation - DirectorsTalk Interviews |
| 2022-09-19 | -0.9% | legal | SEC EDGAR | MASI 8-K: 5.02, 8.01 (SEC Filing) |
| 2025-09-12 | -0.8% | news | simplywall.st | Is Masimo Corporation (NASDAQ:MASI) Potentially Undervalued? - simplywall.st |
| 2021-09-14 | +0.8% | news | The Motley Fool | Masimo - MASI - Stock Price & News - The Motley Fool |
| 2023-11-22 | -0.8% | legal | SEC EDGAR | MASI 8-K: 8.01 (SEC Filing) |
| 2024-05-01 | +0.8% | executive | CNBC | Masimo's billionaire CEO put shares on margin to get cash while keeping ownership ahead of proxy fight - CNBC |
| 2026-02-19 | -0.7% | M&A | TradingView | Masimo's Board Backs Danaher's $9.9B Cash Acquisition Proposal - TradingView |
| 2026-02-19 | -0.7% | M&A | Finviz | Masimo's Board Backs Danaher's $9.9B Cash Acquisition Proposal - Finviz |
| 2024-11-18 | +0.7% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2025-01-16 | -0.7% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-07-31 | +0.7% | news | Yahoo Finance | What Makes Masimo Corporation (MASI) a Good Investment? - Yahoo Finance |
| 2022-01-11 | -0.7% | legal | SEC EDGAR | MASI 8-K: 2.02 and (SEC Filing) |
| 2025-02-07 | -0.7% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2024-10-18 | +0.5% | legal | SEC EDGAR | MASI 8-K: 5.02 and (SEC Filing) |
| 2026-04-05 | -0.5% | earnings | MarketBeat | SG Americas Securities LLC Increases Stock Position in Masimo Corporation $MASI - MarketBeat |
| 2026-04-05 | -0.5% | earnings | MarketBeat | Wealth Enhancement Advisory Services LLC Raises Stake in Masimo Corporation $MASI - MarketBeat |
| 2026-02-27 | +0.5% | earnings | marketscreener.com | Masimo Corporation Reports Earnings Results for the Full Year Ended January 03, 2026 - marketscreener.com |
| 2026-04-09 | -0.5% | earnings | MarketBeat | 31,641 Shares in Masimo Corporation $MASI Acquired by Tudor Investment Corp ET AL - MarketBeat |
| 2026-04-09 | -0.5% | news | Cổng thông tin điện tử Tỉnh Sơn La | Is Masimo Corporation (MASI) Stock Underperforming | Price at $178.51, Up 0.12% - Open Stock Signal Network - Cổng thông tin điện tử Tỉnh Sơn La |
| 2026-03-06 | +0.4% | earnings | Seeking Alpha | Baron Health Care Fund adds TMO, ARQT, and ELAN; exits Cidara Therapeutics MASI among Q4 moves |
| 2026-04-06 | -0.4% | news | Cổng thông tin điện tử Tỉnh Sơn La | Should I Hold Masimo Corporation (MASI) Stock Now | Price at $178.49, Down 0.06% - Community Risk Signals - Cổng thông tin điện tử Tỉnh Sơn La |
| 2026-04-06 | -0.4% | news | Cổng thông tin điện tử tỉnh Lào Cai | Should I Hold Masimo Corporation (MASI) Stock Now | Price at $178.49, Down 0.06% - Aggressive Growth Stocks - Cổng thông tin điện tử tỉnh Lào Cai |
| 2022-10-26 | -0.4% | M&A | Strata-gee.com | Masimo Acquisition of Sound United Spurs Ugly Activist Shareholder Lawsuit - Strata-gee.com |
| 2026-02-25 | -0.4% | earnings | Seeking Alpha | Masimo Q4 2025 Earnings Preview |
| 2022-08-09 | +0.4% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-09-23 | -0.3% | legal | SEC EDGAR | MASI 8-K: 2.01, 7.01 (SEC Filing) |
| 2026-04-23 | -0.3% | legal | SEC EDGAR | MASI 8-K: 8.01 (SEC Filing) |
| 2026-04-23 | -0.3% | news | Stock Titan | [8-K] MASIMO CORP Reports Material Event - Stock Titan |
| 2026-04-23 | -0.3% | earnings | Cổng thông tin điện tử Tỉnh Sơn La | Masimo Corporation (MASI) Quarterly Preview | Q3 2025: Better Than Expected - Trading Community - Cổng thông tin điện tử Tỉnh Sơn La |
| 2025-03-12 | +0.3% | executive | Investing.com | Masimo’s COO Muhsin Bilal sells over $5 million in stock - Investing.com |
| 2026-04-21 | -0.3% | earnings | MarketBeat | Masimo Corporation (NASDAQ:MASI) Receives Consensus Rating of "Reduce" from Brokerages - MarketBeat |
| 2024-05-05 | -0.3% | news | Seeking Alpha | Baron Funds - Masimo Corp.: Can Potentially Double Our Investment - Seeking Alpha |
| 2026-04-02 | -0.3% | news | StockStory | 3 Small-Cap Stocks Walking a Fine Line |
| 2022-09-13 | +0.3% | analyst | TradingView | MASI Forecast — Price Target — Prediction for 2027 - TradingView |
| 2026-01-29 | +0.2% | news | MEXC | MASI Price Today: Masimo Corporation Stock Price, Quote & Chart - MEXC |
| 2026-04-19 | +0.2% | earnings | MarketBeat | Sumitomo Mitsui Trust Group Inc. Trims Stock Position in Masimo Corporation $MASI - MarketBeat |
| 2026-04-19 | +0.2% | earnings | MarketBeat | 13,196 Shares in Masimo Corporation $MASI Bought by Lecap Asset Management Ltd. - MarketBeat |
| 2026-04-18 | +0.2% | news | Cổng thông tin điện tử tỉnh Lào Cai | How to Read Masimo Corporation (MASI) Stock Chart (Dormant) 2026-04-18 - High Interest Stocks - Cổng thông tin điện tử tỉnh Lào Cai |
| 2026-03-03 | +0.2% | executive | Stock Titan | Masimo (MASI) CFO Micah Young logs 15,000 RSU vesting and tax share withholding - Stock Titan |
| 2026-02-18 | +0.1% | M&A | TIKR.com | Masimo Stock Is Up 34% Last Week. Here’s How Danaher’s Nearly $10 Billion Acquisition Changes the Story - TIKR.com |
| 2026-02-18 | +0.1% | news | Finviz | 3 Reasons MASI is Risky and 1 Stock to Buy Instead - Finviz |
| 2025-12-01 | +0.1% | legal | SEC EDGAR | MASI 8-K: 1.01, 1.02, 2.03 (SEC Filing) |
| 2025-12-01 | +0.1% | analyst | Investing.com | Needham reiterates Hold rating on Masimo stock ahead of investor day By Investing.com - Investing.com |
| 2021-07-27 | -0.1% | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |
| 2025-02-13 | -0.0% | news | Intellectia AI | MASI Forecast — Price Prediction for 2026. Should I Buy MASI? - Intellectia AI |
| 2026-04-25 | — | earnings | Insider Monkey | Danaher Corporation (DHR) Reports Q1 Adjusted EPS Beat |
| 2026-04-25 | — | earnings | MarketBeat | Masimo Corporation $MASI Shares Bought by Cwm LLC - MarketBeat |
| 2021-04-26 | — | legal | SEC EDGAR | MASI 8-K: 2.02, 7.01 (SEC Filing) |