554 filings
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4
HOFFMAN Robert Thurston Sr
3 Jan 24
ClearSign Technologies / Robert Thurston HOFFMAN Sr ownership change
4:31pm
4
Lacy Catharine de
3 Jan 24
ClearSign Technologies / Lacy Catharine de ownership change
4:30pm
8-K
CLIR
ClearSign Technologies Corp
27 Nov 23
Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard
5:25pm
8-K
CLIR
ClearSign Technologies Corp
15 Nov 23
ClearSign Technologies Corporation Provides Third Quarter 2023 Update
5:00pm
10-Q
2023 Q3
CLIR
ClearSign Technologies Corp
Quarterly report
14 Nov 23
12:00am
4
CLIR
ClearSign Technologies Corp
4 Oct 23
ClearSign Technologies / Lacy Catharine de ownership change
5:47pm
4
Judith S Schrecker
4 Oct 23
ClearSign Technologies / Judith S Schrecker ownership change
5:40pm
4
CLIR
ClearSign Technologies Corp
4 Oct 23
ClearSign Technologies / Robert Thurston HOFFMAN Sr ownership change
5:30pm
4
CLIR
ClearSign Technologies Corp
4 Oct 23
ClearSign Technologies / Gary J. DiElsi ownership change
5:25pm
8-K
CLIR
ClearSign Technologies Corp
22 Sep 23
Receives Support and Collaboration from SoCalGas for its Flexible Hydrogen Fueled Ultra Low NOx Process Burner Project
4:05pm
8-K
CLIR
ClearSign Technologies Corp
1 Sep 23
ClearSign Technologies Corporation Provides Second Quarter 2023 Update
4:31pm
424B3
CLIR
ClearSign Technologies Corp
1 Sep 23
Prospectus supplement
4:15pm
EFFECT
CLIR
ClearSign Technologies Corp
31 Aug 23
Notice of effectiveness
12:15am
8-K
CLIR
ClearSign Technologies Corp
29 Aug 23
Other Events
4:15pm
8-A12B/A
CLIR
ClearSign Technologies Corp
14 Aug 23
Registration of securities on exchange (amended)
4:05pm
10-Q
2023 Q2
CLIR
ClearSign Technologies Corp
Quarterly report
14 Aug 23
8:01am
8-A12B/A
CLIR
ClearSign Technologies Corp
11 Aug 23
Registration of securities on exchange (amended)
5:15pm
S-3
CLIR
ClearSign Technologies Corp
Shelf registration
11 Aug 23
4:10pm
4
CLIR
ClearSign Technologies Corp
6 Jul 23
ClearSign Technologies / Lacy Catharine de ownership change
4:05pm
4
CLIR
ClearSign Technologies Corp
6 Jul 23
ClearSign Technologies / Judith S Schrecker ownership change
4:05pm