Microcap Ledger ClearSign Technologies Corp $CLIR
Facts as of . Built from SEC filings and our own data. Small caps move fast; check the latest filings.
Snapshot
- Exchange
- Nasdaq Capital Market
- Sector
- Industrial Instruments For Measurement, Display, and Control
- Headquarters
- Tulsa, OK
- Fiscal year end
- December 31
- Shares outstanding
- 6,807,455 [10-Q 2026-08-14]
What the company doesAI summary of filing
ClearSign Technologies designs and develops combustion technologies for industrial and commercial systems to reduce emissions, improve energy efficiency, and lower operating costs. The company's primary product, ClearSign Core technology, uses a porous ceramic or metal flame holder to reduce flame length and achieve low nitrogen oxide emissions in applications including refinery process heaters, boilers, flares, and petrochemical equipment. ClearSign is also developing flame sensing products called ClearSign Eye for industrial burners and exploring applications in transportation markets. The company is pre-revenue or early-stage revenue-generating, having deployed technology in commercial installations but funding operations primarily through equity sales and government grants. [10-K 2026-03-31]
Financial health
| Period | Revenue | Net income | Operating cash flow | Cash | Filing |
|---|---|---|---|---|---|
| 6 months to Jun 2026 | $751.0K | −$3.50M | −$2.58M | $9.89M | [10-Q 2026-08-14] |
| FY ended Dec 2025 | $5.23M | −$5.50M | −$4.74M | $9.18M | [10-K 2026-03-31] |
| FY ended Dec 2024 | $3.60M | −$5.30M | −$4.37M | $14.04M | [10-K 2026-03-31] |
- Quarterly cash burn
- −$1.29M
- Cash runway Estimate
- ~23 months
Capital structure and dilution
| Date | Shares outstanding | Filing |
|---|---|---|
| 2025-05-06 | 52,422,532 | [10-Q 2025-05-15] |
| 2025-05-21 | 52 | [10-K 2025-03-31] |
| 2025-05-28 | 52,422,532 | [10-K/A 2025-05-28] |
| 2025-08-06 | 52,426,282 | [10-Q 2025-08-14] |
| 2025-11-06 | 53,273,405 | [10-Q 2025-11-14] |
| 2026-03-16 | 5,408,723 | [10-K 2026-03-31] |
| 2026-05-11 | 5,412,633 | [10-Q 2026-05-15] |
| 2026-08-08 | 6,807,455 | [10-Q 2026-08-14] |
- Shelf registration
- S-1 filed 2025-08-12; declared effective 2025-08-21 [S-1 2025-08-12]
Listing status
Current status: 4 Form 8-K Item 3.01 filing(s) in the last 24 months, most recent 2025-09-30. Item 3.01 covers delisting notices, failures to meet a listing rule and listing transfers; read the filing for which one.
| Date | Event | Details | Deadline | Filing |
|---|---|---|---|---|
| 2025-09-30 | 8-K Item 3.01 | Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing | — | [8-K 2025-09-30] |
| 2025-08-08 | 8-K Item 3.01 | Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing | — | [8-K 2025-08-08] |
| 2025-04-04 | 8-K Item 3.01 | Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing | — | [8-K 2025-04-04] |
| 2024-10-30 | 8-K Item 3.01 | Notice of delisting or failure to satisfy a continued listing rule or standard; or transfer of listing | — | [8-K 2024-10-30] |
Who owns it
| Date | Insider | Type | Shares | Price | Filing |
|---|---|---|---|---|---|
| 2026-07-22 | Pasquesi John M | buy | 500,000 | $3.54 | [4 2026-07-24] |
Catalysts and calendar
| Date | Type | Title |
|---|---|---|
| 2026-09-14 | 8-K | Regulation FD disclosure |
| 2026-08-20 | 8-K | Results of operations; Regulation FD disclosure |
| 2026-08-14 | 10-Q | Quarterly report |
| 2026-08-11 | 8-K | Director or officer change; Regulation FD disclosure |
| 2026-07-24 | 13G/A | Beneficial ownership report (5%+ holder) |
| 2026-07-23 | 8-K | Material agreement entered; Unregistered sale of equity; Regulation FD disclosure |
| 2026-07-06 | 8-K | Other events |
| 2026-07-06 | 424B5 | Prospectus or prospectus supplement |
| 2026-06-18 | 8-K | Other events |
| 2026-06-09 | 8-K | Shareholder vote results |
| 2026-06-01 | 8-K | Material agreement entered; Other events |
| 2026-06-01 | 424B5 | Prospectus or prospectus supplement |
Alerts for $CLIR
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Facts as of . Small caps move fast; check the latest filings.