---
title: "Clearsign Tech | 8-K: FY2025 Revenue: USD 5.2 M"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/282384537.md"
datetime: "2026-04-10T20:17:38.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/282384537.md)
  - [en](https://longbridge.com/en/news/282384537.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/282384537.md)
---

# Clearsign Tech | 8-K: FY2025 Revenue: USD 5.2 M

Revenue: As of FY2025, the actual value is USD 5.2 M.

#### Revenue

ClearSign Technologies Corporation achieved record quarterly revenue of $3.7 million. Annual revenue increased by 44% to a record $5.2 million.

#### Cash and Cash Equivalents

Cash and cash equivalents were approximately $9.2 million as of December 31, 2025.

#### Shares Outstanding

As of December 31, 2025, there were 5,328,730 shares of ClearSign Technologies Corporation’s common stock issued and outstanding, reflecting a 1-for-10 reverse stock split effective March 16, 2026.

#### Operational Highlights / Unique Metrics

ClearSign Technologies Corporation received engineering orders for a total of 36 ClearSign Core™ burners for a U.S. Gulf Coast refinery and 32 ClearSign Core™ burners for a California refinery, both representing initial phases of process heater retrofits. The company successfully completed testing of its ClearSign Core™ Flexible Fuel, 100% Hydrogen Capable process burner (ClearSign Core™ 2) in conjunction with the U.S. Department of Energy’s National Energy Technology Laboratory (NETL) under its Small Business Innovation Research (SBIR) program. A fifth low-emission flare order was received for a total retrofit enclosed flare system at a production facility in California’s San Joaquin Valley, with delivery scheduled for the third quarter of 2026. An order was also received from a major petrochemical customer for comprehensive testing of a 100% hydrogen capable burner to map performance for future deployment. Additionally, ClearSign Technologies Corporation received two separate ClearSign Core™ “M” Series Burner orders from Devco Process Heaters; one has shipped and awaits installation in New Mexico, while the other has been installed and successfully started up in West Texas.

#### Outlook / Guidance

ClearSign Technologies Corporation anticipates its momentum will continue, supported by a strong and expanding proposal pipeline. The new flexible fuel ClearSign Core-2 process burner technology is expected to broaden customer applications and has already resulted in an increased backlog of orders. The company’s future priorities include growing its proposal pipeline and converting these opportunities into orders.

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