ClearSign Technologies Corp — 4/A Filings
12 4/A filings on record
This page lists all 4/A 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 4/A 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/A | OWNERSHIP DOCUMENT | 0001104659-24-045881 | Apr 10, 2024 | Feb 22, 2024 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-24-027580 | Feb 26, 2024 | Feb 2, 2024 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-24-027577 | Feb 26, 2024 | Feb 2, 2023 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-24-027566 | Feb 26, 2024 | Feb 2, 2023 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-19-058382 | Oct 31, 2019 | May 9, 2019 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-19-058379 | Oct 31, 2019 | May 9, 2019 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-19-058376 | Oct 31, 2019 | May 9, 2019 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-19-058372 | Oct 31, 2019 | May 9, 2019 |
| 4/A | OWNERSHIP DOCUMENT | 0001104659-19-058368 | Oct 31, 2019 | May 9, 2019 |
| 4/A | OWNERSHIP DOCUMENT | 0001144204-17-004130 | Jan 26, 2017 | Jan 25, 2017 |
| 4/A | OWNERSHIP DOCUMENT | 0001144204-13-003590 | Jan 23, 2013 | Dec 28, 2012 |
| 4/A | OWNERSHIP DOCUMENT | 0001144204-12-036558 | Jun 26, 2012 | May 15, 2012 |