ClearSign Technologies Corp — 4 Filings
290 4 filings on record
This page lists all 4 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 290 4 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 |
|---|---|---|---|---|
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-032244 | Mar 19, 2026 | Mar 16, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-022403 | Mar 2, 2026 | Feb 26, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-022401 | Mar 2, 2026 | Feb 26, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-019278 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-26-010395 | Feb 4, 2026 | Feb 2, 2026 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-096763 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-096764 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-065885 | Jul 3, 2025 | Jul 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-065881 | Jul 3, 2025 | Jul 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-065882 | Jul 3, 2025 | Jul 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-065883 | Jul 3, 2025 | Jul 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-065884 | Jul 3, 2025 | Jul 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-053133 | May 27, 2025 | May 22, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031795 | Apr 3, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031794 | Apr 3, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031797 | Apr 3, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-031793 | Apr 3, 2025 | Apr 1, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-017042 | Feb 25, 2025 | Feb 24, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-016630 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-016631 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-016240 | Feb 21, 2025 | May 20, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001442 | Jan 6, 2025 | Jan 2, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001444 | Jan 6, 2025 | Jan 2, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001441 | Jan 6, 2025 | Jan 2, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-25-001443 | Jan 6, 2025 | Jan 2, 2025 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-105955 | Oct 3, 2024 | Oct 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-105952 | 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 | 0001104659-24-085995 | Aug 5, 2024 | Aug 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-077857 | Jul 3, 2024 | Jul 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-077855 | Jul 3, 2024 | Jul 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-077856 | Jul 3, 2024 | Jul 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-075270 | Jun 26, 2024 | Jun 24, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-052051 | Apr 25, 2024 | Apr 23, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-042671 | Apr 2, 2024 | Apr 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-042667 | Apr 2, 2024 | Apr 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-042669 | Apr 2, 2024 | Apr 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-027573 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-027584 | Feb 26, 2024 | Feb 22, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-011141 | Feb 6, 2024 | Feb 2, 2024 |
| 4 | PRIMARY DOCUMENT | 0001014108-24-000005 | Feb 2, 2024 | Feb 1, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-000863 | Jan 3, 2024 | Jan 2, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-000871 | Jan 3, 2024 | Jan 2, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-24-000874 | Jan 3, 2024 | Jan 2, 2024 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-23-106892 | Oct 4, 2023 | Oct 2, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-23-106894 | Oct 4, 2023 | Oct 2, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-23-106901 | Oct 4, 2023 | Oct 2, 2023 |
| 4 | OWNERSHIP DOCUMENT | 0001104659-23-106899 | Oct 4, 2023 | Oct 2, 2023 |
| 4 | FORM 4 | 0001104659-23-078724 | Jul 6, 2023 | Jul 3, 2023 |