We use cookies to improve the performance of our site and optimize it for our users. Customize Cookie Preferences

Sign Up Today and Learn More About Mevion Medical Systems Stock

Invest in or calculate the value of your shares in Mevion Medical Systems or other pre-IPO companies through EquityZen's platform.

Get Started

Mevion Medical Systems Stock (MEMS)

Mevion Medical Systems develops radiation therapies for the treatment of cancer.

About Mevion Medical Systems Stock

Headquarters

Littleton, MA, US

Total Funding

595M

Industries

Science and Engineering, Health Care, Biotechnology

Mevion Medical Systems, Inc. (formerly Still River Systems, Inc.) is a radiation therapy company dedicated to advancing the treatment of cancer. As the pioneering developer of modern proton therapy systems, Mevion provides innovative, safe, and effective solutions by transforming advances in medical technology and science into practical clinical reality. Mevion’s flagship product, the MEVION S250 Proton Therapy System, is designed to preserve all of the treatment benefits of traditional proton therapy systems while removing the obstacles of size, cost, and complexity. Realizing this vision, Mevion has forever changed the economics and accessibility of proton therapy worldwide. Founded in 2004, Mevion is a privately held company headquartered in the Boston metropolitan area with international offices in the United Kingdom and Japan.

Mevion Medical Systems Management

Leadership team at Mevion Medical Systems

Vice President of Regulatory and Quality Assurance

Thomas Faris

Vice President of Engineering

Mark Jones

Locked Features

Join now and verify your accreditation status to gain access to:

  • Mevion Medical Systems current valuation
  • Mevion Medical Systems stock price
  • Available deals in Mevion Medical Systems and all other companies
  • Deal offering documents
  • EquityZen's proprietary data and insights, including
    • Cap tables, which include funding history by Share Class and Liquidity Preferences
    • Company Highlights
    • Business Model
    • Risk Factors
Join Now

How to invest in Mevion Medical Systems stock?

Accredited investors can buy pre-IPO stock in companies like Mevion Medical Systems through EquityZen funds. These investments are made available by existing Mevion Medical Systems shareholders who sell their shares on our platform. Typically, these are early employees who need to fund a life event – house, education, etc. Accredited investors are then offered the opportunity to invest in this stock through a fund, like those used by hedge funds serving large investors. While not without risk, investing in private companies can help investors reach goals of portfolio diversification, access to potential growth and high potential return. Learn more about our Guided Investment process here.

How to sell Mevion Medical Systems stock?

Shareholders can sell their Mevion Medical Systems stock through EquityZen's private company marketplace. EquityZen's network includes over 320K accredited investors interested in buying private company stock. Learn more about the easy and guided Shareholder process here.

If I invest, how do I exit my investment?

There are two ways to exit your private company investment on EquityZen's marketplace. The first is if the company has an exit event like an IPO, merger or acquisition. In that case, we will distribute the shares and/or cash to you directly. The second way is through an Express Deal on EquityZen, if eligible. An Express Deal allows you to sell your allocation of private shares in a given private company to another investor on EquityZen's marketplace. More information on Express Deals can be found here and exit information can be found here.

Why choose EquityZen?

Since 2013, the EquityZen marketplace has made it easy to buy and sell shares in private companies. EquityZen brings together investors and shareholders, providing liquidity to early shareholders and private market access to accredited investors. With low investment minimums through our funds and with more than 43K private placements completed across 450+ companies, EquityZen leads the way in delivering "Private Markets for the Public."