144 results
8-K
EX-99.1
CLIR
ClearSign Technologies Corp
28 May 24
ClearSign Technologies Corporation Provides First Quarter 2024 Update
4:30pm
safety systems in a broad range of markets, including the energy (upstream oil production and down-stream refining), commercial/industrial boiler
D
CLIR
ClearSign Technologies Corp
8 May 24
$14.43 mm in equity / options / securities to be acquired, sold $5.00 mm, 1 investor
4:15pm
Services
Energy
Coal Mining
Electric Utilities
Energy Conservation
Environmental Services
Oil & Gas
Other Energy
Health Care
Biotechnology
8-K
EX-99.1
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25 Apr 24
ClearSign Technologies Corporation Provides Full Year 2023 Update
5:16pm
8-K
EX-99.2
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25 Apr 24
ClearSign Technologies Corporation Provides Full Year 2023 Update
5:16pm
8-K
EX-99.1
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24 Apr 24
ClearSign Technologies Corporation Announces Closing of $9.3 Million Public Offering and Concurrent Private Placement of Common Stock and Warrants
8:45am
8-K
EX-99.2
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24 Apr 24
ClearSign Technologies Corporation Announces Closing of $9.3 Million Public Offering and Concurrent Private Placement of Common Stock and Warrants
8:45am
424B5
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23 Apr 24
Prospectus supplement for primary offering
6:02am
8-K
EX-99.1
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19 Apr 24
ClearSign Technologies Corporation Announces Pricing of $9.3 Million Public Offering and Concurrent Private Placement of Common Stock and Warrants
8:45am
424B5
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19 Apr 24
Prospectus supplement for primary offering
6:02am
424B5
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18 Mar 24
Prospectus supplement for primary offering
6:05am
8-K
EX-99.1
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7 Feb 24
ClearSign Technologies Corporation Provides Preliminary 2023 Financial Results
8:45am
8-K
EX-99.1
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15 Nov 23
ClearSign Technologies Corporation Provides Third Quarter 2023 Update
5:00pm
8-K
EX-99.1
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22 Sep 23
Receives Support and Collaboration from SoCalGas for its Flexible Hydrogen Fueled Ultra Low NOx Process Burner Project
4:05pm
8-K
EX-99.2
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1 Sep 23
ClearSign Technologies Corporation Provides Second Quarter 2023 Update
4:31pm