Skip to main content
Caplight Logo









Form Energy

Form Energy

Private
Somerville, MassachusettsEnergy & Sustainabilityhttps://formenergy.com/

Last Round

Series G

Aug 12, 2026

Est. Valuation

$2.86B

Total Funding Raised

$2.16B

Momentum

Top 10%

of companies Caplight tracks

Company Overview

Form Energy is an energy storage company that develops and commercializes multi-day iron-air battery systems to enable a reliable and fully renewable electric grid.

Sector

Energy & Sustainability

Verticals

Energy Storage, Renewable Energy, Smart Grid

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

long-duration energy storageLDESiron-air batterymulti-day energy storagegrid reliabilityutility-scale storagerenewable energy integration100-hour batterydata center powerenergy infrastructurebattery storageESSenergy storage systemclean techclimate tech

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

Form Energy Comparables

Compare Form Energy with similar companies based on industry and business-model similarity.

Form Energy comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
ESS Tech, Inc.
79%
Ambri
77%
Energy Vault
76%

Form Energy Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series GAug 12, 2026
Series FOct 9, 2024
GrantAug 6, 2024
GrantDec 13, 2023
GrantAug 17, 2023
Series E
Oct 4, 2022

Key People

Founding team and executive leadership

Ted Wiley

Co-Founder President & COO

Founding Team

William Woodford

Co-Founder and CTO

Founding Team

Mateo Jaramillo

CEO co-founder

Founding Team

Vidul Prakash

Interim CFO

Executive Team

Form Energy Investors

Notable investors and investment history

Form Energy investors
InvestorRounds
Blindspot VenturesSeries E, Series F
MITSeries C, Series B
CPP InvestmentsSeries E
Janus Henderson GroupSeries G
Capricorn Investment GroupSeries D, Series E, Series C, Series B, Series F
TemasekSeries D, Series E, Series C, Series F
The EngineSeries D, Series E, Series C, Series B, Series F, Series A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 12, 2026

    $750M round led by T. Rowe Price

  • Apr 9, 2026

    Utilizes iba AG software for manufacturing control systems.

Form Energy Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation
Sign Up to view
Mock Valuation

Form Energy Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Form Energy's valuation, stock price, and market status.

Firmographic Details

HeadquartersSomerville, Massachusetts
Employee Range719
Year Founded2017
Last FundingAug 12, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?