Form Energy is a Climate Tech founded in 2017, currently valued at $1.8B (est.). IPO Status: Pre-IPO. IPO Readiness Score: 73/100 (B-).
Form Energy IPO status, timeline, valuation and S-1 filing tracker. Last updated May 2026.
| Industry | Climate Tech |
| Stage | Series G |
| IPO Status | Pre-IPO |
| Valuation | $1.8B (est.) |
| Total Funding | $1.7B |
| Headquarters | Somerville, MA |
| IPO Readiness Score | 73/100 |
| Founded | 2017 |
Track Form Energy IPO status, valuation updates, and S-1 filing milestones on TechStackIPO. Last updated May 2026.
Energy storage company developing low-cost iron-air batteries for multi-day grid energy storage.
Form Energy is in the pre-IPO phase as of May 2026. With an IPO readiness score of 73/100, the company ranks among the more IPO-ready companies in the Climate Tech sector. Pre-IPO companies at this stage typically evaluate market conditions, complete board appointments, and engage underwriters before initiating the formal S-1 filing process.
Form Energy is valued at $1.8B (est.) based on the most recent private market data. The company has raised a total of $1.7B in funding. Private market valuations are determined by the latest funding round and may differ from eventual IPO pricing, which reflects public market conditions, investor demand, and comparable company multiples at the time of listing.
Accredited investors may be able to access Form Energy pre-IPO shares through secondary market platforms. These platforms facilitate private share transactions between existing shareholders (employees, early investors) and new buyers.
Risk factors: Pre-IPO investments are illiquid, carry higher risk than public market investments, and are typically restricted to accredited investors. Share availability and pricing depend on current shareholders willing to sell. TechStackIPO provides data and tracking tools but does not facilitate or recommend investments.
Form Energy has an IPO readiness score of 73/100 on TechStackIPO. A high readiness score suggests IPO activity could occur within the next 1–2 years.
Form Energy's last known private valuation is $1.8B (est.). IPO valuations typically reflect current market conditions at time of listing and may differ from private market valuations.
Pre-IPO access options may include: (1) secondary market platforms such as Forge Global or EquityZen that facilitate private share sales, (2) ETFs holding pre-IPO companies or venture portfolios, and (3) direct secondary share purchases if eligible as an accredited investor. TechStackIPO tracks availability but does not facilitate investments.
No. Form Energy has not yet filed an S-1 registration statement with the SEC as of TechStackIPO's latest data update.
Form Energy operates in the Climate Tech sector. TechStackIPO tracks multiple Climate Tech companies from seed through IPO, including their funding rounds, valuations, and IPO readiness scores. You can compare Form Energy against other Climate Tech companies using TechStackIPO's comparison tool.
Form Energy is at the Series G stage. The company has raised a total of $1.7B in funding. Companies at this funding stage are typically scaling operations, expanding market share, and evaluating public market timing.
Form Energy is headquartered in Somerville, MA. The company's location can influence IPO exchange selection, regulatory requirements, and investor interest. Companies headquartered in major tech hubs often benefit from proximity to venture capital networks and talent pools.