ClearSign Technologies Corp — 3 Filings
32 3 filings on record
This page lists all 3 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 32 3 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 |
|---|---|---|---|---|
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-053132 | May 27, 2025 | May 22, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-25-053130 | May 27, 2025 | May 22, 2025 |
| 3 | PRIMARY DOCUMENT | 0001790300-25-000003 | Apr 9, 2025 | Feb 14, 2025 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-085994 | Aug 5, 2024 | Aug 1, 2024 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-24-052047 | Apr 25, 2024 | Apr 23, 2024 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-23-024888 | Feb 23, 2023 | Feb 21, 2023 |
| 3 | PRIMARY DOCUMENT | 0001939971-22-000001 | Aug 4, 2022 | Aug 1, 2022 |
| 3 | OWNERSHIP DOCUMENT | 0001104659-21-127266 | Oct 18, 2021 | — |
| 3 | FORM 3 | 0001104659-21-035039 | Mar 11, 2021 | Mar 4, 2021 |
| 3 | FORM 3 | 0001144204-19-004200 | Jan 31, 2019 | Jan 28, 2019 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-19-004095 | Jan 31, 2019 | Jan 29, 2019 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-19-002095 | Jan 18, 2019 | Jan 8, 2019 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-18-047416 | Aug 31, 2018 | Aug 23, 2018 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-18-003139 | Aug 6, 2018 | Jul 20, 2018 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-18-003063 | Jul 30, 2018 | Jul 20, 2018 |
| 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 0001062993-18-003062 | Jul 30, 2018 | Jul 20, 2018 |
| 3 | PRIMARY DOCUMENT | 0001731684-18-000001 | Feb 15, 2018 | Feb 9, 2018 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-17-028043 | May 16, 2017 | May 11, 2017 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-16-100171 | May 10, 2016 | May 5, 2016 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-15-012276 | Feb 26, 2015 | Feb 6, 2015 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-066058 | Dec 3, 2012 | Nov 29, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-025213 | May 1, 2012 | Apr 24, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023576 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023570 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023566 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023564 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023563 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023561 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023559 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023558 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023556 | Apr 24, 2012 | Apr 23, 2012 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-12-023554 | Apr 24, 2012 | Apr 23, 2012 |