Masimo Corporation Investigated by the Portnoy Law Firm
Masimo Corporation (MASI)
Last masimo corporation earnings: 4/28 04:05 pm
Check Earnings Report
US:NASDAQ Investor Relations:
masimo.com/about-masimo/investors
Company Research
Source: GlobeNewswire
LOS ANGELES, March 11, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Masimo Group, (“Masimo" or the "Company") (NASDAQ:MASI) investors that the firm has initiated an investigation into possible securities fraud, and may file a class action on behalf of investors. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 844-767-8529 or email: lesley@portnoylaw.com, to discuss their legal rights, or join the case via https://portnoylaw.com/masimo-corporation. The Portnoy Law Firm can provide a complimentary case evaluation and discuss investors’ options for pursuing claims to recover their losses. Masimo’s stock price fell $15.98, or 11.8%, to close at $120.02 on May 8, 2024, thereby injuring investors. This occurred following the news on May 7, 2024, that Masimo disclosed receiving a Department of Justice (“DOJ”) subpoena back in February. The government request was “seeking documents and information related to the Company’s Rad-G and Rad-97 products,” which
Show less
Read more
Impact Snapshot
Event Time:
MASI
Last Price
Price Change
Price Change%
Volume Shares
Max Up
Max Down
%
Volume Ratio
Performance Comparison
Updated
|
Event Day
Stock performance from the time of news release until the following 4pm ET market close
|
Last price at news event
|
Since Event
Multi-day stock performance from the time of the news release
|
|---|---|---|
|
EVENT DAY
Stock performance from the time of news release until the following 4pm ET market close
|
LAST
PRICE AT NEWS EVENT |
SINCE EVENT
Multi-day stock performance from the time of the news release
|
| Last Price | ||
| VWAP | ||
|
High:
|
Max Up |
High:
|
|
Low:
|
Max Down |
Low:
|
|
%
|
Post news range |
%
|
|
|
Price change |
|
|
|
Price Change Percentage |
|
|
|
S&P 500 (SPX) |
|
|
%
|
Volume ratio |
%
|
| Volume | ||
| Ticks | ||
|
|
Avg transaction size |
|
Don't Miss Out On The Next BIG Stock Move
Event day
Event Day Chart will not be displayed beyond 90-day period of the event
Performance since event
Time And Velocity Analysis
Be the first to know
Opt in for alerts from News Quantifed
Sign Up Today
Opt-in for
MASI alerts
Learn More With NQ
Reading the Impact Report
Help Me Understand This Data
Help Me Understand This Data
How NQ Works
What is news-based trading?
And why is it so successful?
And why is it so successful?
Movers & Shakers
The biggest gainers and losers and WHY it moved
MASI alerts
High impacting Masimo Corporation news events
Weekly update
A roundup of the hottest topics
MASI
News
- Masimo Investor Alert: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Masimo Corporation - MASIBusiness Wire
- Halper Sadeh LLC is Investigating Whether MASI, CRBG, MKC, WBD are Obtaining Fair Deals for their ShareholdersGlobeNewswire
- Masimo (MASI) was downgraded by Raymond James Financial, Inc. from "outperform" to "market perform".MarketBeat
- Masimo (MASI) was upgraded by Wells Fargo & Company to "hold".MarketBeat
- This Fund Built a $26 Million Stake in a Medical Tech Stock That's Soaring After a $9.9 Billion Deal Announcement [Yahoo! Finance]Yahoo! Finance
MASI
Earnings
- 2/26/26 - Miss
MASI
Sec Filings
- 4/23/26 - Form DEFA14A
- 4/23/26 - Form 8-K
- 4/1/26 - Form DEFM14A
- MASI's page on the SEC website