Sep 1
Current report
8-K
Events of Aug 31
Financial results, Regulation FD disclosure
CLIR · ClearSign Technologies Corp · Documents
$2.31
-0.12 (-4.74%)
At close · Nov 5
Return incl. dividend (before tax)
Play latest call
Q2 2026 earnings call transcript
Going-concern doubt
— flagged Aug 14, 2026
Substantial doubt about the company's ability to continue as a going concern.
“There can be no assurance that we will be successful in achieving our long term plans, or that such plans, if consummated, will result in profitable operations or enable us to continue in the long term as a going concern.”View the 10-Q filed Aug 14, 2026
Market Cap
$15.73M
Shares
6.81M
Volume · Nov 5
18.28K
Avg daily vol (3M)
19.3K
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The company's filings, earnings calls and investor events, most recent first. Search and read these filings from Claude or ChatGPT with the SEC filings MCP server →
2023
Aug 29
Current report
8-K
Other events
Aug 14
Quarterly report
10-Q
FY2023 Q2, ended Jun 30
Quarterly report for FY2023 Q2
Revenue $150K
Net loss $1.48M
Diluted EPS -$0.04
Aug 11
Registration statement
S-3
Registration statement
Jun 15
Current report
8-K
Events of Jun 14
Entered into a material agreement, Change to shareholders' rights, Charter or bylaw amendment, or fiscal year change, Regulation FD disclosure
Jun 8
Current report
8-K
Events of Jun 6
Shareholder vote results
May 30
Current report
8-K
Events of May 25
Other events
May 24
Current report
8-K
Events of May 18
Financial results, Regulation FD disclosure
May 15
Quarterly report
10-Q
FY2023 Q1, ended Mar 31
Quarterly report for FY2023 Q1
Revenue $894K
Net loss $1.43M
Diluted EPS -$0.04
May 2
Current report
8-K
Delisting notice or listing transfer
Apr 26
Annual report to holders
ARS
Annual report to holders
Apr 25
Proxy statement
DEF 14A
Meeting Jun 6, 2023
Proxy statement
Apr 25
Proxy statement
DEFA14A
Proxy statement
Apr 14
Proxy statement
PRE 14A
Meeting Jun 6, 2023
Proxy statement
Apr 7
Earnings call
Q1 2023 earnings call
Apr 7
Current report
8-K
Events of Apr 6
Financial results, Regulation FD disclosure
Mar 31
Annual report
10-K
FY2022, ended Dec 31
Annual report for FY2022
Revenue $374K
▼ 38.4%
Net loss $5.76M
Diluted EPS -$0.16
Feb 24
Current report
8-K
Events of Feb 18
Director or officer change, or executive pay, Regulation FD disclosure
2022
Dec 31
Earnings call
Q4 2022 earnings call
Dec 9
Current report
8-K
Events of Dec 1
Regulation FD disclosure
Nov 14
Quarterly report
10-Q
FY2022 Q3, ended Sep 30
Quarterly report for FY2022 Q3
Revenue $324K
▲ 70.5%
Net loss $1.31M
Diluted EPS -$0.03
Nov 4
Current report
8-K
Events of Nov 1
Delisting notice or listing transfer
Sep 30
Earnings call
Q3 2022 earnings call
Sep 6
Earnings call
Q2 2022 earnings call
Sep 6
Current report
8-K
Events of Sep 1
Financial results, Regulation FD disclosure
Aug 15
Quarterly report
10-Q
FY2022 Q2, ended Jun 30
Quarterly report for FY2022 Q2
Revenue $0
Net loss $1.64M
Diluted EPS -$0.05
Aug 2
Current report
8-K
Events of Jul 28
Director or officer change, or executive pay
Jul 29
Registration statement
S-3/A
Registration statement
Jul 1
Registration statement
S-3
Registration statement
Jun 7
Current report
8-K
Events of Jun 2
Financial results, Shareholder vote results, Regulation FD disclosure
Jun 1
Current report
8-K
Other events
May 31
Current report
8-K
Events of May 26
Entered into a material agreement, Other events
May 16
Quarterly report
10-Q
FY2022 Q1, ended Mar 31
Quarterly report for FY2022 Q1
Revenue $0
Net loss $1.49M
Diluted EPS -$0.05
Apr 22
Proxy statement
DEF 14A
Meeting Jun 6, 2022
Proxy statement
Apr 22
Proxy statement
DEFA14A
Proxy statement
Apr 8
Earnings call
Q1 2022 earnings call
Apr 8
Current report
8-K
Events of Apr 6
Financial results, Regulation FD disclosure
Mar 31
2021
Dec 23
Quarterly report
10-Q/A
Ended Jun 30
Quarterly report for the period ended Jun 30, 2021
Dec 23
Quarterly report
10-Q/A
Ended Sep 30
Quarterly report for the period ended Sep 30, 2021
Nov 29
Current report
8-K
Events of Nov 23
Financial results, Regulation FD disclosure
Nov 12
Quarterly report
10-Q
FY2021 Q3, ended Sep 30
Quarterly report for FY2021 Q3
Revenue $190K
Net loss $2.35M
Diluted EPS -$0.07
Oct 18
Current report
8-K
Director or officer change, or executive pay, Regulation FD disclosure
Sep 10
Current report
8-K
Events of Sep 8
Financial results, Charter or bylaw amendment, or fiscal year change, Regulation FD disclosure
Aug 20
Quarterly report
10-Q
FY2021 Q2, ended Jun 30
Quarterly report for FY2021 Q2
Revenue $0
Net loss $2.29M
Aug 16
Late filing notice
NT 10-Q
Late filing notice
Jul 30
Current report
8-K
Events of Jul 29
Director or officer change, or executive pay, Regulation FD disclosure
Jul 7
Current report
8-K
Events of Jul 1
Change of auditor
Jun 21
Current report
8-K
Events of Jun 15
Financial results, Shareholder vote results, Regulation FD disclosure
May 17
Quarterly report
10-Q
FY2021 Q1, ended Mar 31
Quarterly report for FY2021 Q1
Revenue $363K
Net loss $2.02M
Showing 101–150 of 180 documents