{"filings":[{"id":92835,"accession_number":"0001104659-26-042017","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2026-04-10T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"ClearSign Q4 revenue $3.7M record; FY revenue $5.2M +44% YoY","event_type":"earnings","confidence":"high","bullets":["Q4 2025 revenue $3.7M (record); FY revenue $5.2M, up 44% YoY.","Cash $9.2M at Dec 31, 2025; 5.33M shares outstanding post 1-for-10 reverse split.","Orders for 68 ClearSign Core burners from Gulf Coast and California refiners; also flare order.","Successful DOE/NETL testing of 100% hydrogen-capable ClearSign Core-2 burner.","Backlog includes new heater configurations; management expects continued momentum."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.65,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104001,"accession_number":"0001104659-26-036808","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2026-03-30T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"ClearSign regains Nasdaq minimum bid price compliance; matter closed","event_type":"regulatory","confidence":"high","bullets":["Received Nasdaq letter on March 30, 2026 confirming compliance with Listing Rule 5550(a)(2).","Common stock closing bid price at or above $1.00 for ten consecutive business days.","Compliance matter now closed; no further delisting risk from this requirement."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.4,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":104000,"accession_number":"0001104659-26-025867","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2026-03-10T23:59:59+00:00","items":["3.03","5.03","7.01","9.01"],"status":"ready","headline":"ClearSign Technologies announces 1-for-10 reverse stock split effective March 16, 2026","event_type":"other_material","confidence":"high","bullets":["Reverse stock split ratio 1-for-10, effective 12:01 a.m. ET on March 16, 2026.","Pre-split shares ~54.1M; post-split ~5.41M; authorized shares and par value unchanged.","Split intended to regain compliance with Nasdaq $1.00 minimum bid price requirement.","Fractional shares rounded up; proportionate adjustments to warrants and equity awards.","CUSIP changes to 185064201; trading symbol remains CLIR."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":103999,"accession_number":"0001104659-26-023536","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2026-03-04T23:59:59+00:00","items":["5.07","5.08","9.01"],"status":"ready","headline":"ClearSign shareholders approve reverse stock split for Nasdaq compliance; annual meeting set for June 8, 2026","event_type":"other_material","confidence":"high","bullets":["Reverse stock split approved at ratio between 1-for-2 and 1-for-10, with board discretion to abandon.","Proposal passed with 26,667,027 votes for, 9,224,242 against, and 77,216 abstentions (74% support).","2026 annual meeting scheduled for June 8, 2026; record date fixed as April 13, 2026.","Deadline for Rule 14a-8 proposals and director nominations under bylaws is March 14, 2026."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.6,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":103998,"accession_number":"0001104659-26-019768","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2026-02-25T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"ClearSign Technologies holds corporate update call; no specific financial results disclosed","event_type":"other","confidence":"low","bullets":["Company held a conference call on Feb 24, 2026, to discuss preliminary unaudited Q4/FY2025 results and corporate updates.","Special meeting is scheduled for later that week; call served as a business update ahead of the meeting.","Preliminary financial data discussed is unaudited, subject to change, and not reviewed by auditor BPM CPA LLP.","Transcript of the call furnished as Exhibit 99.1, but no actual financial figures were included in the provided excerpt."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":103997,"accession_number":"0001104659-26-001752","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2026-01-07T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"ClearSign preliminary Q4 revenue ~$3.6M (+510% YoY), FY revenue ~$5.2M (+44% YoY)","event_type":"earnings","confidence":"high","bullets":["Preliminary Q4 2025 revenue of approx $3.6M, up 510% from $590K in Q4 2024.","Preliminary FY 2025 revenue of approx $5.2M, up 44% from $3.6M in FY 2024.","Q4 performance driven by completion of a 26-burner order for a U.S. Gulf Coast petrochemical facility.","Revenue also included testing, engineering, flares, and service work across multiple product lines.","CEO expects growth trajectory to sustain or exceed in 2026, citing expanded burner portfolio and order pipeline."],"consensus_eps_estimate":null,"consensus_eps_actual":-0.99,"consensus_revenue_estimate":null,"consensus_revenue_actual":5234000.0,"consensus_period":"2025-FY","consensus_source":"xbrl_only","sentiment":"positive","materiality_score":0.8,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":120273,"accession_number":"0001104659-25-119321","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-12-08T23:59:59+00:00","items":["7.01","9.01"],"status":"ready","headline":"ClearSign Technologies posts new investor presentation on website for upcoming meetings","event_type":"other","confidence":"low","bullets":["Investor presentation posted to Company website on December 8, 2025.","Presentation intended for use in upcoming investor meetings and conferences.","No financial results or material changes disclosed in the filing."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":120272,"accession_number":"0001104659-25-114991","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-11-21T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"ClearSign reports Q3 2025 update: cash $10.5M, multiple new burner orders","event_type":"other_material","confidence":"high","bullets":["Cash and equivalents of $10.5M as of Sep 30, 2025; 52.5M shares outstanding.","Received two M25 burner orders from Devco for gas processing facilities in NM and TX.","Fourth low-emission flare burner order from a major California energy producer for Q2 2026 installation.","32-burner CFD engineering order from a global supermajor for California refinery retrofit.","36-process-burner engineering order from an integrated producer for Texas Gulf Coast refinery."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.55,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":120271,"accession_number":"0001104659-25-113241","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-11-17T23:59:59+00:00","items":["5.03","8.01","9.01"],"status":"ready","headline":"ClearSign adopts majority voting for director elections and tightens stockholder proposal rules","event_type":"other_material","confidence":"high","bullets":["Board amended bylaws to require majority of votes cast for director elections, except plurality when nominees exceed seats.","Stockholder proposal and nomination deadlines extended; proponents must prove continuous beneficial ownership until meeting date.","Revised award agreements change governing law and venue from Washington to Delaware to match state of incorporation."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.25,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136864,"accession_number":"0001104659-25-095017","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-09-30T23:59:59+00:00","items":["3.01","9.01"],"status":"ready","headline":"ClearSign receives Nasdaq extension to March 2026 to regain $1 bid price compliance","event_type":"regulatory","confidence":"high","bullets":["Received 180-day extension from Nasdaq; compliance deadline now March 30, 2026.","Must achieve closing bid price of $1 for 10 consecutive business days to regain compliance.","Company stated it intends to use a reverse stock split if necessary to meet the requirement.","Failure to comply could lead to delisting; appeal rights would be available.","Stock continues trading on Nasdaq Capital Market under symbol CLIR with no immediate effect."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.6,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136863,"accession_number":"0001104659-25-085648","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-08-29T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"ClearSign regains Nasdaq board independence compliance after director determination","event_type":"regulatory","confidence":"high","bullets":["Board determined Anthony DiGiandomenico independent; appointed him to Audit Committee on Aug 26, 2025.","G. Todd Silva named Audit Committee chair and audit committee financial expert effective same date.","Nasdaq issued letter on Aug 28, 2025 confirming compliance with Listing Rules 5605(b)(1) and (c)(2)(A).","Board reduced to 5 directors; one vacancy remains due to Aug 4 resignations of de Lacy and Schrecker."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136862,"accession_number":"0001104659-25-079277","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-08-15T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"ClearSign Q2 update: cash $12.3M; new orders and product launches; no revenue disclosed","event_type":"other_material","confidence":"medium","bullets":["Cash balance $12.3M at June 30; 52.4M shares outstanding.","Received engineering order for enhanced process burner from California refinery.","Launched M-Series process burner with Gulf Coast installation and Colorado order.","Launched co-branded Zeeco CS5 burner line with sub-5ppm NOx/hydrogen capability.","Received boiler burner order for 500HP fire tube burner with M-Series integration."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.5,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136861,"accession_number":"0001104659-25-075708","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-08-08T23:59:59+00:00","items":["3.01","5.02","8.01","9.01"],"status":"ready","headline":"ClearSign receives Nasdaq non-compliance notice over board independence; two directors resign","event_type":"regulatory","confidence":"high","bullets":["On August 8, 2025, Nasdaq notified ClearSign it fails board independence and audit committee composition requirements due to resignations of directors de Lacy and Schrecker.","Board had no majority independent directors and audit committee only two independent directors, violating Nasdaq Listing Rules 5605(b)(1) and 5605(c)(2)(A).","Cure period: until earlier of next annual meeting or August 4, 2026; if meeting before Feb 2, 2026, then by Feb 2, 2026.","Board decreased from six to five; Louis J. Basenese appointed to Governance Committee, G. Todd Silva to Compensation Committee.","Resignations were not due to any disagreement with the Company; ClearSign plans to appoint a new independent director."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.65,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136860,"accession_number":"0001104659-25-071166","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-07-28T23:59:59+00:00","items":["5.07","9.01"],"status":"ready","headline":"ClearSign annual meeting: three directors re-elected with large withhold votes; board reduced to six","event_type":"other","confidence":"high","bullets":["Six directors re-elected; Catharine de Lacy, Judith Schrecker, G. Todd Silva each had >14M withheld votes.","Board reduced from 7 to 6 as David Maley did not stand for re-election.","Advisory approval of BPM CPA LLP as auditor: 34M for, 2.96M against, 0.13M abstentions.","Advisory say-on-pay passed: 20.4M for, 3.85M against, 2.2M abstentions, 10.6M broker non-votes.","Quorum of 37.1M shares (70.82% of outstanding) present at the meeting."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.35,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136859,"accession_number":"0001104659-25-068797","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-07-18T23:59:59+00:00","items":["1.01","8.01","9.01"],"status":"ready","headline":"ClearSign enters $10.39M ATM equity facility with H.C. Wainwright; terminates prior $8.7M ATM","event_type":"other_material","confidence":"high","bullets":["Entered ATM Agreement with H.C. Wainwright & Co. for up to $10,390,000 of common stock, dated July 17, 2025.","Proceeds to be used for working capital, R&D, marketing, sales, and general corporate purposes.","Terminated prior ATM with Virtu Americas LLC (up to $8.7M) effective July 12, 2025.","Wainwright to receive 3.0% cash commission on aggregate gross proceeds from sales under new ATM.","Registration statement filed but not yet effective; sales cannot occur until SEC declares it effective."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.6,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":136858,"accession_number":"0001104659-25-067452","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-07-11T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"ClearSign Technologies announces Board committee changes effective June 27, 2025","event_type":"other_material","confidence":"high","bullets":["Catharine de Lacy resigned from Audit Committee; G. Todd Silva and Louis Basenese appointed.","Louis Basenese named Chair of Human Capital & Compensation Committee.","G. Todd Silva appointed to Nominating & Corporate Governance Committee.","David Maley remains on Audit, Compensation, and Governance until end of term after 2025 annual meeting.","Judith Schrecker stays as Audit Chair; de Lacy remains Governance Chair."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":154094,"accession_number":"0001104659-25-052998","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-05-27T23:59:59+00:00","items":["1.01","5.02","7.01","9.01"],"status":"ready","headline":"ClearSign expands board to 7, appoints Basenese and DiGiandomenico; Maley not standing for re-election","event_type":"leadership","confidence":"high","bullets":["Board expanded from 5 to 7; appointed Louis Basenese and Anthony DiGiandomenico effective May 22, 2025.","Cooperation agreements with Clarkson and DiGiandomenico parties end activist nominations; standstill and voting commitments.","David Maley will not stand for re-election at 2025 annual meeting; not due to disagreement.","New directors receive RSU compensation; DiGiandomenico declined initial grant for quarter ending June 30, 2025.","Company reimbursed Clarkson up to $2,000 and DiGiandomenico up to $20,000 for expenses."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.65,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":154093,"accession_number":"0001104659-25-052251","cik":1434524,"company_name":"ClearSign Technologies Corp","ticker":"CLIR","form_type":"8-K","filed_at":"2025-05-23T23:59:59+00:00","items":["2.02","7.01","9.01"],"status":"ready","headline":"ClearSign provides Q1 update: cash $12.8M, co-branded burners with Zeeco, M Series sales","event_type":"other_material","confidence":"medium","bullets":["Cash and equivalents $12.8M at March 31, 2025; 52.4M shares outstanding.","Launched co-branded Zeeco CS5 and Hydrogen CS5 burner lines (100% H2-capable, sub-5 ppm NOx).","Sold first M Series burners via channel partner and directly to heater manufacturer Devco.","Received commitments for first commercial ClearSign Eye sensor installation at a supermajor Gulf Coast refinery.","Received third low-emissions flare burner engineering order from a California energy company."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","materiality_score":0.5,"daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}