ClearSign Technologies Corp — DEF 14A Filings
14 DEF 14A filings on record
This page lists all DEF 14A 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 14 DEF 14A 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 |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001104659-26-009202 | Feb 2, 2026 | Feb 26, 2026 |
| DEF 14A | DEF 14A | 0001558370-25-008616 | Jun 13, 2025 | Jul 25, 2025 |
| DEF 14A | DEF 14A | 0001558370-24-007791 | May 10, 2024 | Jun 25, 2024 |
| DEF 14A | DEF 14A | 0001558370-23-006668 | Apr 25, 2023 | Jun 6, 2023 |
| DEF 14A | DEF 14A | 0001558370-22-005773 | Apr 22, 2022 | Jun 6, 2022 |
| DEF 14A | DEF 14A | 0001104659-21-062561 | May 7, 2021 | Jun 17, 2021 |
| DEF 14A | DEF 14A | 0001104659-20-051312 | Apr 27, 2020 | Jun 17, 2020 |
| DEF 14A | DEF 14A | 0001144204-19-018098 | Apr 4, 2019 | May 8, 2019 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001144204-18-021036 | Apr 18, 2018 | May 3, 2018 |
| DEF 14A | DEF 14A | 0001144204-17-015373 | Mar 17, 2017 | May 4, 2017 |
| DEF 14A | DEF 14A | 0001144204-16-091596 | Mar 30, 2016 | May 5, 2016 |
| DEF 14A | DEF 14A | 0001144204-15-019637 | Mar 31, 2015 | May 7, 2015 |
| DEF 14A | DEF 14A | 0001144204-14-016267 | Mar 18, 2014 | May 6, 2014 |
| DEF 14A | SCHEDULE 14A | 0001144204-13-017670 | Mar 27, 2013 | May 2, 2013 |