| Date Filed | Type | Description |
| 08/14/2023 |
8-A12B/A
| Form 8-A12B/A - Registration of securities [Section 12(b)]: [Amend] |
| 08/14/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 08/11/2023 |
8-A12B/A
| Form 8-A12B/A - Registration of securities [Section 12(b)]: [Amend] |
| 08/11/2023 |
S-3
| Form S-3 - Registration statement under Securities Act of 1933: |
| 06/08/2023 |
8-K
| Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits Interactive Data |
| 05/24/2023 |
8-K
| Conference call transcript |
| 05/02/2023 |
8-K
| Quarterly results |
| 04/25/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 04/25/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 04/14/2023 |
PRE 14A
| Form PRE 14A - Other preliminary proxy statements: |
| 03/31/2023 |
S-8
| Form S-8 - Securities to be offered to employees in employee benefit plans: |
| 03/31/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 02/24/2023 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements...|
Docs:
|
"February 20th, 2023",
"ClearSign Technologies Corporation Announces Board Transitions Tulsa, OK, February 23, 2023 -- ClearSign Technologies Corporation , an emerging leader in industrial combustion and sensing technologies that improve energy and operational efficiency, and safety while dramatically reducing emissions, today announces that Susanne Meline is stepping down from the ClearSign Board of Directors. Concurrently, the Company announces the appointment of industry veteran Catharine de Lacy to the open board position. Catharine de Lacy is a widely recognized expert in ESG/Sustainability initiatives, public affairs, corporate governance, and risk management. She is known for her track record working with companies to enhance relationships with regulatory authorities, investors, suppliers and customers and..." |
|
| 12/09/2022 |
8-K
| Quarterly results |
| 11/14/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
| 11/04/2022 |
8-K
| Quarterly results |
| 09/06/2022 |
8-K
| Conference call transcript |
| 08/15/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
| 08/15/2022 |
EFFECT
| Form EFFECT - Notice of Effectiveness: |
| 08/02/2022 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 07/29/2022 |
S-3/A
| Form S-3/A - Registration statement under Securities Act of 1933: [Amend] |
| 07/15/2022 |
SC 13D/A
| clirSPV LLC reports a 19.9% stake in ClearSign Technologies Corporation |
| 07/01/2022 |
S-3
| Form S-3 - Registration statement under Securities Act of 1933: |
| 06/07/2022 |
8-K
| Quarterly results |
| 06/01/2022 |
8-K
| Quarterly results |
| 05/31/2022 |
8-K
| Quarterly results |
| 05/31/2022 |
424B5
| Form 424B5 - Prospectus [Rule 424(b)(5)]: |
| 05/26/2022 |
424B5
| Form 424B5 - Prospectus [Rule 424(b)(5)]: |
| 05/16/2022 |
10-Q
| Quarterly Report for the period ended March 31, 2022 |
| 04/26/2022 |
S-8
| Form S-8 - Securities to be offered to employees in employee benefit plans: |
| 04/22/2022 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 04/22/2022 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 04/14/2022 |
424B5
| Form 424B5 - Prospectus [Rule 424(b)(5)]: |
| 04/08/2022 |
8-K
| Conference call transcript|
Docs:
|
"ClearSign Technologies Corporation Provides Full Year 2021 Update Tulsa, OK, April 6, 2022 -- ClearSign Technologies Corporation , an emerging leader in industrial combustion and sensing technologies that improve energy, operational efficiency and safety while dramatically reducing emissions, today provides an update on operations for the fourth quarter and full year ended December 31, 2021. “This past year we have developed and launched our primary technologies, added to and strengthened our strategic partnerships, and won some major customer orders; providing a great foundation for our future business growth,” said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. “We are growing our installed base of process burners and are winning larger commercial projects. We developed and lau...",
"Transcript of Conference Call held on April 6, 2022" |
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