# Arq (ARQ) — Overview

ARQ · NASDAQ · Stock

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

## Price

Last close $1.86 on Oct 15, 2026. 52-week range $1.64 – $7.18.

## Company profile

Arq Inc is an environmental technology company principally engaged in the sale of consumable air, water, and soil treatment solutions, including activated carbon (AC) and chemical technologies. The company manufactures and sells activated carbon and other chemicals used to capture and remove contaminants for the coal-fired power generation, industrial, municipal water and air, water and soil treatment, and remediation markets. Some of the products in its portfolio are Powdered Activated Carbon, Granular Activated Carbon, and Colloidal Carbon Product, among others.

## Frequently Asked Questions

### How do I buy stock in Arq (ARQ)?

ARQ 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).