02/25/2025
6:00 PM | ClearSign Technologies (Issuer)
Hinds Brent (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/24/2025
7:00 PM | ClearSign Technologies (Issuer)
Deller Colin James (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/24/2025
7:00 PM | ClearSign Technologies (Issuer)
Hinds Brent (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/21/2025
6:00 PM | ClearSign Technologies (Issuer)
Hinds Brent (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
02/19/2025
4:05 PM | ClearSign Technologies (Subject)
clirSPV LLC (Filed by)
| Form SCHEDULE 13D/A | |
01/06/2025
6:00 PM | ClearSign Technologies (Issuer)
Maley David M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/06/2025
6:00 PM | ClearSign Technologies (Issuer)
Schrecker Judith S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/06/2025
6:01 PM | ClearSign Technologies (Issuer)
Silva Gil Todd (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
01/06/2025
6:02 PM | ClearSign Technologies (Issuer)
de Lacy Catharine (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
12/09/2024
7:46 AM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
11/21/2024
4:05 PM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
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10/30/2024
4:00 PM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
10/03/2024
5:00 PM | ClearSign Technologies (Issuer)
de Lacy Catharine (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/03/2024
5:00 PM | ClearSign Technologies (Issuer)
Maley David M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/03/2024
5:01 PM | ClearSign Technologies (Issuer)
Schrecker Judith S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/03/2024
5:01 PM | ClearSign Technologies (Issuer)
Silva Gil Todd (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
10/01/2024
4:25 PM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/23/2024
4:00 PM | ClearSign Technologies (Filer)
| Form 8-K/A | |
08/23/2024
5:05 AM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
08/05/2024
8:00 PM | ClearSign Technologies (Issuer)
Silva Gil Todd (Reporting)
| Form 3
Initial statement of beneficial ownership of securities | |
08/05/2024
8:01 PM | ClearSign Technologies (Issuer)
Silva Gil Todd (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/15/2024
6:00 AM | ClearSign Technologies (Filer)
| Form 424B4 | |
07/14/2024
11:15 PM | ClearSign Technologies (Filer)
| Form EFFECT | |
07/03/2024
5:30 PM | ClearSign Technologies (Issuer)
Maley David M (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/03/2024
5:31 PM | ClearSign Technologies (Issuer)
Schrecker Judith S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/03/2024
5:32 PM | ClearSign Technologies (Issuer)
de Lacy Catharine (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/03/2024
4:14 PM | ClearSign Technologies (Filer)
| Form S-1/A | |
06/26/2024
7:04 PM | ClearSign Technologies (Issuer)
ClearSign Technologies (Issuer)
clirSPV LLC (Reporting)
clirSPV LLC (Reporting)
GPclirSPV LLC (Reporting)
HOFFMAN Robert Thurston Sr (Reporting)
HOFFMAN Robert Thurston Sr (Reporting)
Princeton Opportunity Management LLC (Reporting)
Princeton Opportunity Management LLC (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
06/26/2024
3:55 PM | ClearSign Technologies (Subject)
clirSPV LLC (Filed by)
| Form SC 13D/A | |
06/26/2024
3:35 PM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/20/2024
7:49 AM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/20/2024
7:50 AM | ClearSign Technologies (Filer)
| Form DEFA14A | |
06/07/2024
4:30 PM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/20/2024
3:33 PM | ClearSign Technologies (Filer)
| Form S-1
Registration statement under Securities Act of 1933 | |
05/10/2024
4:03 PM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
05/08/2024
3:15 PM | ClearSign Technologies (Filer)
| Form D
Notice of Exempt Offering of Securities | |
04/26/2024
3:45 PM | ClearSign Technologies (Filer)
| Form 10-K/A | |
04/25/2024
4:16 PM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/24/2024
7:45 AM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/23/2024
6:00 AM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/23/2024
5:02 AM | ClearSign Technologies (Filer)
| Form 424B5 | |
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04/19/2024
7:45 AM | ClearSign Technologies (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
04/19/2024
5:02 AM | ClearSign Technologies (Filer)
| Form 424B5 | |
04/10/2024
4:00 PM | ClearSign Technologies (Issuer)
Hinds Brent (Reporting)
| Form 4/A | |
04/02/2024
4:32 PM | ClearSign Technologies (Issuer)
de Lacy Catharine (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2024
4:34 PM | ClearSign Technologies (Issuer)
HOFFMAN Robert Thurston Sr (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/02/2024
4:36 PM | ClearSign Technologies (Issuer)
Schrecker Judith S (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
04/01/2024
6:02 AM | ClearSign Technologies (Filer)
| Form 10-K
Annual report pursuant to Section 13 or 15(d) | |
04/01/2024
6:06 AM | ClearSign Technologies (Filer)
| Form S-8
Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
