ClearSign Technologies Corp
CLIRNasdaqCIK 1434524TechnologyFiscal year ends Dec 31
Reports and events: 302 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-09-1412:45 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-107294 |
| 2026-08-2020:15 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-099235 |
| 2026-08-1413:00 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001104659-26-096539 |
| 2026-08-1111:45 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-093758 |
| 2026-07-2312:45 ET | 8-K | 1.01 Entry into a material agreement; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-086099 |
| 2026-07-0620:06 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-080744 |
| 2026-06-1820:15 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-075734 |
| 2026-06-0920:30 ET | 8-K | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001104659-26-071865 |
| 2026-06-0112:30 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-068614 |
| 2026-05-2820:19 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-067517 |
| 2026-05-2120:30 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-065175 |
| 2026-05-1513:20 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001104659-26-061940 |
| 2026-04-2815:09 ET | DEF 14A | Proxy statementPeriod 2026-06-08 | 0001104659-26-049883 |
| 2026-04-1020:15 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-042017 |
| 2026-03-3120:05 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001104659-26-037699 |
| 2026-03-3021:29 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-26-036808 |
| 2026-03-1020:20 ET | 8-K | 3.03 Change to security holders’ rights; 5.03 Amendment to articles or bylaws; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-025867 |
| 2026-03-0422:00 ET | 8-K | 5.07 Shareholder vote results; 5.08 Item not in the standard list; 9.01 Financial statements and exhibits | 0001104659-26-023536 |
| 2026-02-2522:15 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-019768 |
| 2026-02-0221:05 ET | DEF 14A | Proxy statementPeriod 2026-02-26 | 0001104659-26-009202 |
| 2026-01-0721:05 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-26-001752 |
| 2025-12-0821:30 ET | 8-K | 7.01 Regulation FD disclosure | 0001104659-25-119321 |
| 2025-11-2121:05 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-114991 |
| 2025-11-1722:05 ET | 8-K | 5.03 Amendment to articles or bylaws; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-113241 |
| 2025-11-1421:06 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001104659-25-112472 |
| 2025-09-3020:05 ET | 8-K | 3.01 Delisting notice; 9.01 Financial statements and exhibits | 0001104659-25-095017 |
| 2025-08-2920:05 ET | 8-K | 8.01 Other events | 0001104659-25-085648 |
| 2025-08-2020:30 ET | S-1/A | Registration statement, amended | 0001104659-25-080929 |
| 2025-08-1520:31 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-079277 |
| 2025-08-1420:06 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0001558370-25-011555 |
| 2025-08-1221:29 ET | S-1 | Registration statement | 0001104659-25-076944 |
| 2025-08-0820:20 ET | 8-K | 3.01 Delisting notice; 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-075708 |
| 2025-07-2820:19 ET | 8-K | 5.07 Shareholder vote results | 0001104659-25-071166 |
| 2025-07-1810:02 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-25-068797 |
| 2025-07-1121:15 ET | 8-K | 8.01 Other events | 0001104659-25-067452 |
| 2025-06-1320:05 ET | DEF 14A | Proxy statementPeriod 2025-07-25 | 0001558370-25-008616 |
| 2025-05-2821:20 ET | 10-K/A | Annual report, amendedPeriod 2024-12-31 | 0001104659-25-053646 |
| 2025-05-2720:20 ET | 8-K | 1.01 Entry into a material agreement; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-052998 |
| 2025-05-2313:25 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-052251 |
| 2025-05-1520:05 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0001558370-25-007875 |
| 2025-04-0412:00 ET | 8-K | 2.02 Results of operations; 3.01 Delisting notice; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-25-031996 |
| 2025-03-3120:10 ET | 10-K | Annual reportPeriod 2024-12-31 | 0001558370-25-004155 |
| 2025-02-1922:05 ET | SCHEDULE 13D/A | Ownership report, active investor, amended | 0001014108-25-000018 |
| 2024-12-0913:46 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001104659-24-126554 |
| 2024-11-2122:05 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001104659-24-121607 |
| 2024-11-1421:38 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0001558370-24-015739 |
| 2024-11-0721:31 ET | 10-K/A | Annual report, amendedPeriod 2023-12-31 | 0001558370-24-014881 |
| 2024-10-3021:00 ET | 8-K | 3.01 Delisting notice; 9.01 Financial statements and exhibits | 0001104659-24-112653 |
| 2024-10-0121:25 ET | 8-K | 2.05 Exit or disposal costs | 0001104659-24-105025 |
| 2024-08-2321:00 ET | 8-K/A | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001104659-24-092489 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:08 ET. Listed shows no prices and gives no investment advice.