Welcome to our dedicated page for Clearsign Technologies news (Ticker: CLIR), a resource for investors and traders seeking the latest updates and insights on Clearsign Technologies stock.
ClearSign Technologies Corporation develops advanced combustion and sensing technologies for industrial and commercial systems. Its products include ClearSign Core™ combustion technology, ClearSign Eye™ sensing configurations, process burners, boiler burners and flare systems designed for emission reduction, operating efficiency, safety and fuel flexibility, including hydrogen-capable applications.
Company news commonly covers financial results and conference calls, customer orders for low-emission burner and flare projects, technology testing with energy and government research partners, proposal pipeline and backlog updates, and capital-structure or Nasdaq listing compliance actions. Updates also reference markets such as upstream oil production, downstream refining, commercial and industrial boilers, chemical, petrochemical, transport and power applications.
ClearSign Technologies (Nasdaq: CLIR) reported multiple operational milestones for the quarter ended March 31, 2026. The company highlighted new burner and flare orders in California and West Texas, successful DOE SBIR testing of its 100% hydrogen-capable ClearSign Core 2 burner, cash of approximately $7.7 million, a completed 1-for-10 reverse stock split, and details of a May 20, 2026 investor conference call.
ClearSign Technologies (Nasdaq: CLIR) announced a purchase order for its ClearSign Core™ M1 burner, part of its M Series process burners, from heater manufacturer Tulsa Heaters Midstream. The burner will be installed in a new heater at a multinational energy company's gas processing facility in West Texas, with delivery expected in the third quarter of 2026.
ClearSign Technologies (Nasdaq: CLIR) received a purchase order for the next phase of a 32-burner ClearSign Core™ retrofit project at a California refinery. The project covers two heaters and will test and demonstrate a new Core 2 flat flame configuration at Zeeco's full-scale facility.
ClearSign Technologies (Nasdaq:CLIR) will host its First Quarter 2026 conference call on Wednesday, May 20, 2026 at 5:00 PM ET. The company will file its Form 10-Q in the coming days and issue a press release summarizing results on the day of the call.
Investors can join by phone (U.S. 888-506-0062; international 973-528-0011, Participant Access Code: 961399) or via listen-only webcast at https://www.webcaster5.com/Webcast/Page/3133/53993. The webcast will be archived for at least 90 days and a telephonic playback (conference ID 53993) will be available for 14 days.
ClearSign (Nasdaq:CLIR) reported record Q4 revenue of $3.7 million and full-year 2025 revenue of $5.2 million, up 44% year-over-year. The company cited expanding proposal pipeline, new ClearSign Core-2 hydrogen-capable burners, multiple engineering orders and successful DOE SBIR sub-5ppm burner testing.
Cash and cash equivalents were approximately $9.2 million as of December 31, 2025, and 5,328,730 shares were outstanding following a 1-for-10 reverse split effective March 16, 2026.
ClearSign Technologies (Nasdaq:CLIR) announced that CEO Jim Deller will present at the Water Tower Research Insights Conference on April 15, 2026 at 3:10 pm ET.
The virtual presentation will cover company overview, technology, competitive advantages, and pipeline/order trajectory. Registration is required for live attendance and on-demand replays.
ClearSign Technologies (Nasdaq:CLIR) will host a full year and fourth quarter 2025 conference call on Thursday, April 9, 2026 at 5:00 PM ET. The company said it will file its Form 10-K in the coming days and issue a press release with year‑end and quarter results on the day of the call.
Live access: domestic dial 888-506-0062, international 973-528-0011 (Participant Access Code: 837062); webcast and archived replay available on the investor relations website. Telephonic playback available for 14 days (conference ID 53796).
ClearSign (Nasdaq:CLIR) announced successful DOE/NETL SBIR Phase II testing of its ClearSign Core 2 flexible-fuel burner on March 11, 2026. The 2.5-year program demonstrated sub-5 ppm NOx across fuel blends including 100% hydrogen at a 8 million BTU/hr scale and advances toward commercial field installations following a $1.65 million award.
ClearSign Technologies (NASDAQ:CLIR) announced a 1-for-10 reverse stock split effective 12:01 a.m. ET on March 16, 2026, intended to increase the per-share price and regain compliance with Nasdaq's $1.00 minimum bid requirement. Shares outstanding will reduce from ~54.1 million to ~5.41 million; the ticker remains CLIR and a new CUSIP is 185064201.
Outstanding warrants and equity awards will be proportionately adjusted, no fractional shares will be issued (rounded up at the DTC participant level), and transfer agent VStock Transfer will act as exchange agent.
ClearSign (Nasdaq:CLIR) will host a business update conference call on Tuesday, February 24, 2026 at 5:00 PM ET. The call includes a listen-only webcast and will be archived on the company's investor relations site for at least 90 days.
According to ClearSign, investors can dial domestic or international numbers with Participant Access Code 561367 or access the webcast at the provided webcaster link; questions may be submitted in advance via the listed investor relations email.