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CLIR   ClearSign Technologies Corp   |  1434524

Available Fillings Total Fillings:701
Form Type Form Count
8-K 161
UPLOAD 10
NT 10-Q 1
DEFR14A 1
10-Q 38
S-8 9
CORRESP 8
S-3/A 2
PREC14A 1
RW 1
8-A12B 2
424B1 1
SC 13D/A 14
SC 13D 3
8-K/A 5
424B2 3
SC 13G 2
POS AM 1
S-1/A 7
4/A 12
ARS 2
10-K 13
8-A12B/A 2
PREN14A 1
5 7
SCHEDULE 13G 1
DEFA14A 6
FWP 1
424B5 12
424B3 7
25-NSE 1
SC 13G/A 2
REGDEX 1
4 281
3 31
S-1 4
DEF 14A 12
EFFECT 9
10-Q/A 2
10-K/A 1
D/A 1
D 4
S-3 7
PRE 14A 2
S-8 POS 4
PRRN14A 1
CERTNAS 3
SCHEDULE 13D/A 1
Financials Total:220
Form Type Act Filing Date Report Date Action
8-K 34 08/15/2025 08/14/2025 |    |  
8-K 34 08/08/2025 08/04/2025 |    |  
8-K 34 07/28/2025 07/25/2025 |    |  
8-K 34 07/18/2025 07/12/2025 |    |  
8-K 34 07/11/2025 06/27/2025 |    |  
8-K 34 05/27/2025 05/22/2025 |    |  
8-K 34 05/23/2025 05/21/2025 |    |  
8-K 34 04/04/2025 04/01/2025 |    |  
10-K 34 03/31/2025 12/31/2024 |    |  
8-K 34 11/21/2024 11/20/2024 |    |  
Ipos Total:29
Form Type Act Filing Date Report Date Action
S-1 33 08/12/2025 08/16/2025
S-3 33 07/17/2025 08/16/2025
S-1 33 05/20/2024 08/16/2025
S-3 33 08/11/2023 08/16/2025
CORRESP 08/10/2022 08/16/2025
CORRESP 07/19/2022 08/16/2025
UPLOAD 07/14/2022 08/16/2025
S-3 33 07/01/2022 08/16/2025
UPLOAD 01/05/2022 08/16/2025
CORRESP 12/23/2021 08/16/2025
Form Type Act Filing Date Report Date Action
4 07/03/2025 07/01/2025
4 07/03/2025 07/01/2025
4 07/03/2025 07/01/2025
4 07/03/2025 07/01/2025
4 07/03/2025 07/01/2025
4 05/27/2025 05/22/2025
3 05/27/2025 05/22/2025
3 05/27/2025 05/22/2025
3 04/09/2025 02/14/2025
4 04/03/2025 04/01/2025
Form Type Act Filing Date Report Date Action
DEF 14A 34 05/10/2024 06/25/2024
DEF 14A 34 04/25/2023 06/06/2023
DEF 14A 34 04/22/2022 06/06/2022
DEF 14A 34 05/07/2021 06/17/2021
DEF 14A 34 04/27/2020 06/17/2020
DEF 14A 34 04/04/2019 05/08/2019
SC 13D 34 01/18/2019 08/16/2025
SC 13D 34 07/30/2018 08/16/2025
DEF 14A 34 04/18/2018 05/03/2018
DEF 14A 34 03/17/2017 05/04/2017
Form Type Act Filing Date Report Date Action
8-K 34 08/15/2025 08/14/2025 |    |  
8-K 34 08/08/2025 08/04/2025 |    |  
8-K 34 07/28/2025 07/25/2025 |    |  
8-K 34 07/18/2025 07/12/2025 |    |  
8-K 34 07/11/2025 06/27/2025 |    |  
8-K 34 05/27/2025 05/22/2025 |    |  
8-K 34 05/23/2025 05/21/2025 |    |  
8-K 34 04/04/2025 04/01/2025 |    |  
8-K 34 11/21/2024 11/20/2024 |    |  
8-K 34 10/30/2024 10/30/2024 |    |  
Form Type Act Filing Date Report Date Action
DEF 14A 34 05/10/2024 06/25/2024
DEF 14A 34 04/25/2023 06/06/2023
PRE 14A 34 04/14/2023 06/06/2023
DEF 14A 34 04/22/2022 06/06/2022
DEF 14A 34 05/07/2021 06/17/2021
DEF 14A 34 04/27/2020 06/17/2020
DEF 14A 34 04/04/2019 05/08/2019
PRE 14A 34 03/21/2019 03/21/2019
DEF 14A 34 04/18/2018 05/03/2018
DEF 14A 34 03/17/2017 05/04/2017
Form Type Act Filing Date Report Date Action
S-1 33 08/12/2025 08/16/2025
S-1/A 33 07/03/2024 08/16/2025
S-1 33 05/20/2024 08/16/2025
S-1/A 33 11/27/2017 08/16/2025
S-1 33 11/09/2017 08/16/2025
S-1/A 33 04/18/2012 08/16/2025
S-1/A 33 04/06/2012 08/16/2025
S-1/A 33 03/09/2012 08/16/2025
S-1/A 33 02/07/2012 08/16/2025
S-1/A 33 12/28/2011 08/16/2025