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Form Energy

Form Energy develops energy storage systems, including its iron-air batteries, designed for multi-day storage to support renewable energy grids.

$15.57

Secondary Market Price

Updated: 
Jan 2026
Current Preferred Price
Date:
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Prospect Projected Preferred
Current FMV
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Prospect Projected FMV
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Company Valuation
Updated: 
Jan 2026
Industry
Somerville, MA
Headquarters
2017
Year Founded
900+
Employee Count
$15.57

Secondary Market Price

Updated: 
Jan 2026
Current Preferred Price
Date:
Sign in to view
Prospect Projected Preferred
Current FMV
Date:
Sign in to view
Prospect Projected FMV
--
Company Valuation
Updated: 
Jan 2026
Industry
Somerville, MA
Headquarters
2017
Year Founded
900+
Employee Count

How Form Energy Measures Up

To help you manage your Form Energy equity, Prospect has run the company through our machine learning model.

Prospect Rating

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This rating reflects our belief in this company's potential to grow to that many times its current value in 4 years. For an employee with stock, this rating suggests a potential return on equity, but it also comes with some risk.

Exit Risk

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Our rating is a reflection of the likelihood of this company achieving a liquidity event for its employees based on the quality of investors, funding stage, founders, and more.

Funding Stage

Series F

A company’s funding stage reflects how established it is, how quickly it is scaling, and the average impact an employee may have when joining.

$15.57
Est val --
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Jan 6, 2026

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Prospect Projected Future Form Energy Prices

Prospect’s machine learning model has been trained on the same data top-tier investors use to project the likely range of outcomes for Form Energy's equity. Create a free account to view 10th-90th percentile projections over 2, 4, and 6 years.

Powerful tools to earn more from your equity

Company Description

Form Energy develops cost-effective, multi-day energy storage systems, with a primary focus on its reversible iron-air battery technology and grid modeling software. Founded in 2017, the company has raised $499 million in total funding and operates out of its headquarters in Somerville, Massachusetts, as well as locations in Berkeley, California; Eighty Four, Pennsylvania; and Weirton, West Virginia. The company has grown to approximately 813 employees.

The company's stated mission is to enable a reliable, fully renewable electric grid by providing transformative battery technology for long-duration energy storage. While specific recent product announcements are not available, Form Energy's market capitalization was estimated at $1.95 billion based on its last funding round, indicating significant backing for its goal of reshaping the global electric system.

Form Energy Notable Investors

  • T. Rowe Price
  • GE Vernova
  • TPG Rise Climate
  • Breakthrough Energy Ventures
  • Capricorn's Technology Impact Funds
  • Coatue
  • Energy Impact Partners
  • MIT's The Engine Ventures
  • NGP
  • Temasek
  • GIC
  • Prelude Ventures
  • Claure Group
  • Gigascale Capital
  • Blindspot Ventures
  • VamosVentures
  • ArcelorMittal's XCarb Innovation Fund
  • Perry Creek Capital
  • Eni Next
  • Macquarie Capital
  • Canada Pension Plan Investment Board

Form Energy Founders

  • Co-Founder, Mateo Jaramillo
  • Co-Founder, Yet-Ming Chiang
  • Co-Founder, Ted Wiley
  • Co-Founder, William Woodford
  • Co-Founder, Marco Ferrara

Peer Group Comparison

Vs Peer Group of >$4B Startups

Frequently Asked Questions

Is Anduril worth joining?

Joining Anduril as an employee is another way to acquire equity, typically through stock options included in compensation packages.

Is Form Energy worth joining?

Deciding to join a startup like Form Energy involves evaluating both the company's potential and the value of its equity compensation package. Tools like Prospect can help you model the potential future value of your equity to make a more informed decision.

What should I do with my Form Energy stock?

Managing your Form Energy stock requires a personalized strategy based on your financial goals and tax situation. Platforms like Prospect offer tools to help you create tax-optimized strategies for exercising options and deciding when to sell.

Can you sell Form Energy stock?

As Form Energy is a private company, its stock is not traded on a public exchange, so you can typically only sell shares during company-approved liquidity events like a tender offer. Platforms like Prospect provide tools to help you navigate these opportunities and determine which shares are most tax-efficient to sell.

How can I find the value of my Form Energy stock?

The value of private stock like Form Energy's is typically determined by internal 409A valuations or the price set in recent funding rounds. For a more forward-looking analysis, services like Prospect use predictive models to help employees forecast the potential future value of their equity.

What is Form Energy's equity worth?

Form Energy's overall valuation is determined during private funding rounds and is not public information. To understand what your portion of that equity could be worth, you can use financial modeling tools like those offered by Prospect to project your potential outcomes.

What is Form Energy's stock ticker symbol?

Since Form Energy is a private company, it does not have a stock ticker symbol and its shares are not traded on a public stock market. If the company goes public in the future, it will be assigned a ticker symbol at that time.

Can I buy or sell Form Energy stock?

As a private company, buying or selling Form Energy stock is restricted and not available to the general public on an open market. Employees may be able to sell during specific liquidity events, and platforms like Prospect can help you prepare for those opportunities.

What is the criteria to buy or invest in Form Energy stock?

Investing in a private company like Form Energy is generally limited to venture capital firms and accredited investors during specific fundraising rounds. Employees, however, typically receive equity as part of their compensation rather than through direct investment.

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