556 filings
8-K
CLIR
ClearSign Technologies Corp
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
CLIR
ClearSign Technologies Corp
19 Apr 24
Prospectus supplement for primary offering
6:02am
4/A
Brent Hinds
10 Apr 24
ClearSign Technologies / Brent Hinds ownership change
5:00pm
4
CLIR
ClearSign Technologies Corp
2 Apr 24
ClearSign Technologies / Judith S Schrecker ownership change
5:36pm
4
HOFFMAN Robert Thurston Sr
2 Apr 24
ClearSign Technologies / Robert Thurston HOFFMAN Sr ownership change
5:34pm
4
Lacy Catharine de
2 Apr 24
ClearSign Technologies / Lacy Catharine de ownership change
5:32pm
S-8
CLIR
ClearSign Technologies Corp
1 Apr 24
Registration of securities for employees
7:06am
10-K
2023 FY
CLIR
ClearSign Technologies Corp
Annual report
1 Apr 24
7:02am
FWP
CLIR
ClearSign Technologies Corp
19 Mar 24
Free writing prospectus
6:04am
424B5
CLIR
ClearSign Technologies Corp
18 Mar 24
Prospectus supplement for primary offering
6:05am
424B5
CLIR
ClearSign Technologies Corp
18 Mar 24
Prospectus supplement for primary offering
6:01am
4
CLIR
ClearSign Technologies Corp
26 Feb 24
ClearSign Technologies / Brent Hinds ownership change
5:03pm
4/A
Brent Hinds
26 Feb 24
ClearSign Technologies / Brent Hinds ownership change
5:02pm
4/A
CLIR
ClearSign Technologies Corp
26 Feb 24
ClearSign Technologies / Brent Hinds ownership change
5:01pm
4
CLIR
ClearSign Technologies Corp
26 Feb 24
ClearSign Technologies / Colin James Deller ownership change
5:01pm
4/A
Colin James Deller
26 Feb 24
ClearSign Technologies / Colin James Deller ownership change
5:00pm
8-K
CLIR
ClearSign Technologies Corp
7 Feb 24
ClearSign Technologies Corporation Provides Preliminary 2023 Financial Results
8:45am
4
Brent Hinds
6 Feb 24
ClearSign Technologies / Brent Hinds ownership change
4:45pm
SC 13D/A
CLIR
ClearSign Technologies Corp
5 Feb 24
ClearSign Technologies / clirSPV ownership change
11:31am
4
GPclirSPV LLC
2 Feb 24
ClearSign Technologies / Robert Thurston HOFFMAN Sr ownership change
6:58pm