# Factorial Energy (FAC) — Overview

FAC · NASDAQ · Stock

Canonical page: https://www.lighthorse.io/tickers/fac

## Price

Last close $4.78 on Oct 15, 2026. 52-week range $4.60 – $21.94.

## Company profile

Factorial Energy Inc is an American solid-state battery innovator backed by In-Q-Tel - the not-for-profit strategic investor for the U.S. national security community and America's allies - and Mercedes-Benz, Stellantis, Hyundai, and Kia. Through its proprietary FEST and Solstice platforms, engineered for scalable manufacturing, it delivers industry performance across defense, space, and energy storage applications. Mercedes-Benz's real-world road testing in a lightly modified test vehicle achieved over 1,200 km of range on a single charge, while Stellantis-lab testing verified 77 Ah cells demonstrating high energy density, fast-charging, and robust use for energy and power performance across temperature extremes.

## Frequently Asked Questions

### How do I buy stock in Factorial Energy (FAC)?

FAC trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at [Light Horse Dashboard](https://portal.lighthorse.io), the trading API, or an [AI agent connected over MCP](/instructions/ai/claude). The trade panel on this page places the order once you are signed in.

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This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).