ClearSign Technologies Corp — 424B5 Filings
12 424B5 filings on record
This page lists all 424B5 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 12 424B5 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 |
|---|---|---|---|---|
| 424B5 | 424B5 | 0001104659-24-050203 | Apr 23, 2024 | — |
| 424B5 | 424B5 | 0001104659-24-049009 | Apr 19, 2024 | — |
| 424B5 | 424B5 | 0001104659-24-035176 | Mar 18, 2024 | — |
| 424B5 | 424B5 | 0001104659-24-035154 | Mar 18, 2024 | — |
| 424B5 | 424B5 | 0001104659-22-066605 | May 31, 2022 | — |
| 424B5 | 424B5 | 0001104659-22-065282 | May 26, 2022 | — |
| 424B5 | 424B5 | 0001104659-22-046098 | Apr 14, 2022 | — |
| 424B5 | 424B5 | 0001104659-20-139209 | Dec 23, 2020 | — |
| 424B5 | PROSPECTUS SUPPLEMENT | 0001144204-18-010843 | Feb 26, 2018 | — |
| 424B5 | PRELIMINARY PROSPECTUS SUPPLEMENT | 0001144204-18-010298 | Feb 22, 2018 | — |
| 424B5 | 424B5 | 0001144204-15-006098 | Feb 5, 2015 | — |
| 424B5 | FORM 424B5 | 0001144204-14-012583 | Feb 28, 2014 | — |