ClearSign Technologies Corp — 8-K Filings
176 8-K filings on record
This page lists all 8-K filings submitted to the SEC by ClearSign Technologies Corp (CLIR), sorted by most recent first. Each row links to the full filing on EdgarLookup. ClearSign Technologies Corp has filed 176 8-K documents with the SEC since 2008. To view all SEC filings by ClearSign Technologies Corp, see the full filings list.
All
10-K
10-K/A
10-Q
10-Q/A
25-NSE
3
4
4/A
424B1
424B2
424B3
424B4
424B5
5
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERTNAS
CORRESP
D
D/A
DEF 14A
DEFA14A
DEFR14A
EFFECT
FWP
NT 10-Q
POS AM
PRE 14A
PREC14A
PREN14A
PRRN14A
REGDEX
RW
S-1
S-1/A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | FORM 8-K | 0001104659-26-025867 | Mar 10, 2026 | Mar 6, 2026 |
| 8-K | FORM 8-K | 0001104659-26-023536 | Mar 4, 2026 | Feb 26, 2026 |
| 8-K | FORM 8-K | 0001104659-26-019768 | Feb 25, 2026 | Feb 24, 2026 |
| 8-K | FORM 8-K | 0001104659-26-001752 | Jan 7, 2026 | — |
| 8-K | FORM 8-K | 0001104659-25-119321 | Dec 8, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-114991 | Nov 21, 2025 | Nov 19, 2025 |
| 8-K | FORM 8-K | 0001104659-25-113241 | Nov 17, 2025 | Nov 11, 2025 |
| 8-K | FORM 8-K | 0001104659-25-095017 | Sep 30, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-085648 | Aug 29, 2025 | Aug 26, 2025 |
| 8-K | FORM 8-K | 0001104659-25-079277 | Aug 15, 2025 | Aug 14, 2025 |
| 8-K | FORM 8-K | 0001104659-25-075708 | Aug 8, 2025 | Aug 4, 2025 |
| 8-K | FORM 8-K | 0001104659-25-071166 | Jul 28, 2025 | Jul 25, 2025 |
| 8-K | FORM 8-K | 0001104659-25-068797 | Jul 18, 2025 | Jul 12, 2025 |
| 8-K | FORM 8-K | 0001104659-25-067452 | Jul 11, 2025 | Jun 27, 2025 |
| 8-K | FORM 8-K | 0001104659-25-052998 | May 27, 2025 | May 22, 2025 |
| 8-K | FORM 8-K | 0001104659-25-052251 | May 23, 2025 | May 21, 2025 |
| 8-K | FORM 8-K | 0001104659-25-031996 | Apr 4, 2025 | Apr 1, 2025 |
| 8-K | FORM 8-K | 0001104659-24-126554 | Dec 9, 2024 | Dec 6, 2024 |
| 8-K | FORM 8-K | 0001104659-24-121607 | Nov 21, 2024 | Nov 20, 2024 |
| 8-K | FORM 8-K | 0001104659-24-112653 | Oct 30, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-105025 | Oct 1, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-092147 | Aug 23, 2024 | Aug 21, 2024 |
| 8-K | FORM 8-K | 0001104659-24-086124 | Aug 6, 2024 | Aug 1, 2024 |
| 8-K | FORM 8-K | 0001104659-24-075194 | Jun 26, 2024 | Jun 24, 2024 |
| 8-K | FORM 8-K | 0001104659-24-073167 | Jun 20, 2024 | Jun 16, 2024 |
| 8-K | FORM 8-K | 0001104659-24-069743 | Jun 7, 2024 | Jun 3, 2024 |
| 8-K | FORM 8-K | 0001104659-24-065617 | May 28, 2024 | May 23, 2024 |
| 8-K | FORM 8-K | 0001104659-24-059982 | May 10, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-057077 | May 3, 2024 | May 2, 2024 |
| 8-K | FORM 8-K | 0001104659-24-052066 | Apr 25, 2024 | Apr 23, 2024 |
| 8-K | FORM 8-K | 0001104659-24-050960 | Apr 24, 2024 | Apr 23, 2024 |
| 8-K | FORM 8-K | 0001104659-24-050306 | Apr 23, 2024 | Apr 22, 2024 |
| 8-K | FORM 8-K | 0001104659-24-049160 | Apr 19, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-011404 | Feb 7, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-001822 | Jan 5, 2024 | Dec 30, 2023 |
| 8-K | 8-K | 0001104659-23-121296 | Nov 27, 2023 | Nov 24, 2023 |
| 8-K | FORM 8-K | 0001104659-23-118741 | Nov 15, 2023 | Nov 14, 2023 |
| 8-K | FORM 8-K | 0001104659-23-103180 | Sep 22, 2023 | Sep 20, 2023 |
| 8-K | FORM 8-K | 0001104659-23-097793 | Sep 1, 2023 | Aug 31, 2023 |
| 8-K | FORM 8-K | 0001104659-23-096559 | Aug 29, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-071426 | Jun 15, 2023 | Jun 14, 2023 |
| 8-K | FORM 8-K | 0001104659-23-069394 | Jun 8, 2023 | Jun 6, 2023 |
| 8-K | FORM 8-K | 0001104659-23-065626 | May 30, 2023 | May 25, 2023 |
| 8-K | FORM 8-K | 0001104659-23-063815 | May 24, 2023 | May 18, 2023 |
| 8-K | FORM 8-K | 0001104659-23-055099 | May 2, 2023 | — |
| 8-K | FORM 8-K | 0001104659-23-043159 | Apr 7, 2023 | Apr 6, 2023 |
| 8-K | FORM 8-K | 0001104659-23-025302 | Feb 24, 2023 | Feb 18, 2023 |
| 8-K | FORM 8-K | 0001104659-22-125946 | Dec 9, 2022 | Dec 1, 2022 |
| 8-K | FORM 8-K | 0001104659-22-114927 | Nov 4, 2022 | Nov 1, 2022 |
| 8-K | FORM 8-K | 0001104659-22-097693 | Sep 6, 2022 | Sep 1, 2022 |