ClearSign Technologies Corp

CLIR · Nasdaq · SIC 3823: Industrial Instruments For Measurement, Display, and Control · Market Cap: $0.0B · 15 employees
297
SEC Filings
$4.22
Close 2026-09-09
15
Employees

Business Summary

ClearSign Technologies Corporation designs and develops combustion technologies for decarbonization and emissions reduction in industrial and commercial combustion systems. Its primary product, ClearSign Core, uses a porous ceramic or metal flame holder to reduce NOx emissions without external flue gas recirculation or SCR systems. It also develops ClearSign Eye flame sensing products. Markets include petroleum refining, upstream oil production, boilers, enclosed flares, and petrochemical process heaters.

Latest Stock Quote

CLIR 2026-09-09 $4.22 O:$4.41 H:$4.41 L:$4.22 Vol:0.0M VWAP:$4.3231
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-09-19

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-03-312025-12-310001104659-26-037699EDGAR48K words
2025-03-312024-12-310001558370-25-004155EDGAR54K words
2024-04-012023-12-310001558370-24-004441EDGAR36K words
2023-03-312022-12-310001558370-23-005285EDGAR—
2022-03-312021-12-310001558370-22-004842EDGAR—
2021-03-312020-12-310001104659-21-044241EDGAR—
2020-03-302019-12-310001104659-20-039929EDGAR—
2019-03-122018-12-310001144204-19-013533EDGAR—
2018-03-272017-12-310001144204-18-017160EDGAR—
2017-02-142016-12-310001144204-17-008828EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-08-142026-06-300001104659-26-096539EDGAR18K words
2025-11-142025-09-300001104659-25-112472EDGAR19K words
2025-08-142025-06-300001558370-25-011555EDGAR19K words
2025-05-152025-03-310001558370-25-007875EDGAR15K words
2024-11-142024-09-300001558370-24-015739EDGAR21K words
2024-08-142024-06-300001558370-24-012226EDGAR20K words
2024-05-152024-03-310001558370-24-008292EDGAR16K words
2023-11-142023-09-300001558370-23-019018EDGAR18K words
2023-08-142023-06-300001558370-23-014714EDGAR18K words
2023-05-152023-03-310001558370-23-009840EDGAR16K words
2022-11-142022-09-300001558370-22-017750EDGAR—
2022-08-152022-06-300001558370-22-013628EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-09-140001104659-26-107294EDGAR1K words
2026-08-200001104659-26-099235EDGAR9K words
2026-08-110001104659-26-093758EDGAR1K words
2026-07-230001104659-26-086099EDGAR1K words
2026-03-300001104659-26-036808EDGAR1K words
2026-03-100001104659-26-025867EDGAR1K words
2026-03-040001104659-26-023536EDGAR1K words
2026-02-250001104659-26-019768EDGAR7K words
2026-01-070001104659-26-001752EDGAR1K words
2025-12-080001104659-25-119321EDGAR1K words

297 total filings indexed. 265 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AME — AMETEK INC/ CGNX — COGNEX CORP DHR — DANAHER CORP /DE/ ELSE — ELECTRO SENSORS INC FCUV — FOCUS UNIVERSAL INC. FTV — Fortive Corp HURC — HURCO COMPANIES INC KEYS — Keysight Technologies, Inc.

Tags

petroleum-refining-process-heaters upstream-oil-production-(otsgs,-enclosed-flares) industrial-and-commercial-boilers petrochemical-process-heaters energy-infrastructure-(midstream-gas-processing-and-transportation) transportation-industry-(sensing-technology) institutional-boilers epa-clean-air-act-nox-emissions-standards scaqmd-best-available-control-technology-(bact)-guidelines best-available-retrofit-control-technology-(barct) nasdaq-listing-rule-5550(a)(2) texas-commission-on-environmental-quality-(tceq)-nox-regulations 8-hour-ground-level-ozone-standard-(70-ppb,-2015)

Company Identity

CIK0001434524
TickerCLIR
ExchangeNasdaq
SIC3823: Industrial Instruments For Measurement, Display, and Control
IncorporatedDE
Websitehttps://www.clearsign.com
Listed2012-04-25

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

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JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 947df67a7ce9a497f0d84e544dd70428879bd90a8160700e4973a135e27c2457
parent: 23a3300ce2295e81a66b916728e3e90efdf9fc5624bb6ac4c6fed58b9d82b763
content hash: ce2d14e1cb6822f4e0de7aac33e22dbe4cc7b061fc455054d9d28730339002cd
signed: 2026-09-28T19:00:46.175Z
sources: 22 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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Look up CLIR using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

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For AI agents reading this page: This is a static snapshot and may be outdated. For live data on CLIR, use the Origin MCP server or REST API.
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API: GET https://origin.rootz.global/api/company/CLIR (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
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