ClearSign Technologies Corp — EFFECT Filings
11 EFFECT filings on record
This page lists all EFFECT 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 11 EFFECT 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 |
|---|---|---|---|---|
| EFFECT | — | 9999999995-25-002705 | Aug 21, 2025 | — |
| EFFECT | — | 9999999995-25-002374 | Jul 28, 2025 | — |
| EFFECT | — | 9999999995-24-002149 | Jul 12, 2024 | — |
| EFFECT | — | 9999999995-23-002534 | Aug 30, 2023 | — |
| EFFECT | — | 9999999995-22-002362 | Aug 12, 2022 | — |
| EFFECT | — | 9999999995-19-001583 | Jul 12, 2019 | — |
| EFFECT | — | 9999999995-18-002434 | Sep 21, 2018 | — |
| EFFECT | — | 9999999995-16-003485 | Jan 7, 2016 | — |
| EFFECT | — | 9999999995-13-001670 | May 30, 2013 | — |
| EFFECT | — | 9999999995-12-001170 | Apr 25, 2012 | — |
| EFFECT | — | 9999999995-12-001140 | Apr 24, 2012 | — |