ClearSign Technologies Corp — All Filings
756 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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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 | 0001104659-25-052251 | May 23, 2025 | May 21, 2025 |
| 10-Q | 10-Q | 0001558370-25-007875 | May 15, 2025 | Mar 31, 2025 |
| 3 | PRIMARY DOCUMENT | 0001790300-25-000003 | Apr 9, 2025 | Feb 14, 2025 |
| SCHEDULE 13G | — | 0001104659-25-033392 | Apr 9, 2025 | — |
| 8-K | FORM 8-K | 0001104659-25-031996 | Apr 4, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031797 | Apr 3, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031794 | Apr 3, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031795 | Apr 3, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031793 | Apr 3, 2025 | Apr 1, 2025 |
| 10-K | 10-K | 0001558370-25-004155 | Mar 31, 2025 | Dec 31, 2024 |
| S-8 | FORM S-8 | 0001104659-25-029921 | Mar 31, 2025 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-017042 | Feb 25, 2025 | Feb 24, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-016631 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-016630 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-016240 | Feb 21, 2025 | May 20, 2024 |
| SCHEDULE 13D/A | — | 0001014108-25-000018 | Feb 19, 2025 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001444 | Jan 6, 2025 | Jan 2, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001443 | Jan 6, 2025 | Jan 2, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001441 | Jan 6, 2025 | Jan 2, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001442 | Jan 6, 2025 | Jan 2, 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 |
| 10-Q | 10-Q | 0001558370-24-015739 | Nov 14, 2024 | Sep 30, 2024 |
| UPLOAD | — | 0000000000-24-012447 | Nov 8, 2024 | — |
| 10-K/A | 10-K/A | 0001558370-24-014881 | Nov 7, 2024 | Dec 31, 2023 |
| CORRESP | — | 0001558370-24-014883 | Nov 7, 2024 | — |
| 8-K | FORM 8-K | 0001104659-24-112653 | Oct 30, 2024 | — |
| UPLOAD | — | 0000000000-24-012053 | Oct 29, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-105955 | Oct 3, 2024 | Oct 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-105956 | Oct 3, 2024 | Oct 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-105953 | Oct 3, 2024 | Oct 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-105952 | Oct 3, 2024 | Oct 1, 2024 |
| 8-K | FORM 8-K | 0001104659-24-105025 | Oct 1, 2024 | — |
| 8-K/A | FORM 8-K/A | 0001104659-24-092489 | Aug 23, 2024 | Jun 24, 2024 |
| 8-K | FORM 8-K | 0001104659-24-092147 | Aug 23, 2024 | Aug 21, 2024 |
| 10-Q | 10-Q | 0001558370-24-012226 | Aug 14, 2024 | Jun 30, 2024 |
| 8-K | FORM 8-K | 0001104659-24-086124 | Aug 6, 2024 | Aug 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-085995 | Aug 5, 2024 | Aug 1, 2024 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-085994 | Aug 5, 2024 | Aug 1, 2024 |
| 424B4 | 424B4 | 0001104659-24-079684 | Jul 15, 2024 | — |
| EFFECT | — | 9999999995-24-002149 | Jul 12, 2024 | — |
| CORRESP | — | 0001104659-24-078962 | Jul 10, 2024 | — |
| D | — | 0001104659-24-078357 | Jul 9, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-077855 | Jul 3, 2024 | Jul 1, 2024 |
| S-1/A | FORM S-1/A | 0001104659-24-077829 | Jul 3, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-077857 | Jul 3, 2024 | Jul 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-077856 | Jul 3, 2024 | Jul 1, 2024 |
| 8-K/A | FORM 8-K/A | 0001104659-24-076344 | Jun 28, 2024 | Jun 24, 2024 |
| SC 13D/A | SCHEDULE 13D/A - AMENDMENT NO. 4 | 0001014108-24-000034 | Jun 26, 2024 | — |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-075270 | Jun 26, 2024 | Jun 24, 2024 |