May 27
Current report
8-K
Events of May 22
Entered into a material agreement, Director or officer change, or executive pay, 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 →
2025
May 23
Earnings call
Q1 2025 earnings call
May 23
Current report
8-K
Events of May 21
Financial results, Regulation FD disclosure
May 15
Quarterly report
10-Q
FY2025 Q1, ended Mar 31
Quarterly report for FY2025 Q1
Revenue $401K
▼ 63.6%
Net loss $2.08M
Diluted EPS -$0.04
Apr 4
Current report
8-K
Events of Apr 1
Financial results, Delisting notice or listing transfer, Regulation FD disclosure
Mar 31
Annual report
10-K
FY2024, ended Dec 31
Annual report for FY2024
Revenue $3.6M
▲ 49.6%
Net loss $5.3M
Diluted EPS -$0.11
2024
Dec 9
Current report
8-K
Events of Dec 6
Other events
Nov 21
Earnings call
Q3 2024 earnings call
Nov 21
Current report
8-K
Events of Nov 20
Financial results, Regulation FD disclosure
Nov 14
Quarterly report
10-Q
FY2024 Q3, ended Sep 30
Quarterly report for FY2024 Q3
Revenue $1.86M
▲ 2087.1%
Net loss $1.16M
Nov 7
Annual report
10-K/A
Ended Dec 31
Annual report for the period ended Dec 31, 2023
Oct 30
Current report
8-K
Delisting notice or listing transfer
Oct 1
Current report
8-K
Exit or restructuring costs
Aug 23
Earnings call
Q2 2024 earnings call
Aug 23
Current report
8-K/A
Events of Jun 24
Shareholder vote results
Aug 23
Current report
8-K
Events of Aug 21
Financial results, Regulation FD disclosure
Aug 14
Quarterly report
10-Q
FY2024 Q2, ended Jun 30
Quarterly report for FY2024 Q2
Revenue $45K
▼ 70.0%
Net loss $1.87M
Diluted EPS -$0.04
Aug 6
Current report
8-K
Events of Aug 1
Director or officer change, or executive pay, Regulation FD disclosure
Jul 3
Registration statement
S-1/A
Registration statement
Jun 28
Current report
8-K/A
Events of Jun 24
Shareholder vote results
Jun 26
Current report
8-K
Events of Jun 24
Entered into a material agreement, Unregistered sale of equity, Charter or bylaw amendment, or fiscal year change, Shareholder vote results
Jun 20
Current report
8-K
Events of Jun 16
Director or officer change, or executive pay, Other events
Jun 20
Proxy statement
DEFA14A
Proxy statement
Jun 10
Proxy statement
DEFA14A
Proxy statement
Jun 7
Current report
8-K
Events of Jun 3
Other events
May 28
Current report
8-K
Events of May 23
Financial results, Regulation FD disclosure
May 20
Registration statement
S-1
Registration statement
May 15
Quarterly report
10-Q
FY2024 Q1, ended Mar 31
Quarterly report for FY2024 Q1
Revenue $1.1M
▲ 23.3%
Net loss $1.11M
Diluted EPS -$0.03
May 10
Proxy statement
DEF 14A
Meeting Jun 25, 2024
Proxy statement
May 10
Current report
8-K
Unregistered sale of equity, Other events
May 10
Annual report to holders
ARS
Annual report to holders
May 10
Proxy statement
DEFA14A
Proxy statement
May 3
Current report
8-K
Events of May 2
Delisting notice or listing transfer, Other events
Apr 30
Proxy statement
PRE 14A
Meeting Jun 25, 2024
Proxy statement
Apr 26
Annual report
10-K/A
Ended Dec 31
Annual report for the period ended Dec 31, 2023
Apr 25
Earnings call
Q1 2024 earnings call
Apr 25
Current report
8-K
Events of Apr 23
Financial results, Regulation FD disclosure, Other events
Apr 24
Current report
8-K
Events of Apr 23
Director or officer change, or executive pay, Regulation FD disclosure, Other events
Apr 23
Current report
8-K
Events of Apr 22
Entered into a material agreement, Unregistered sale of equity
Apr 19
Apr 1
Annual report
10-K
FY2023, ended Dec 31
Annual report for FY2023
Revenue $2.4M
▲ 542.5%
Net loss $5.19M
Diluted EPS -$0.13
Feb 7
Earnings call
Q4 2023 earnings call
Feb 7
Current report
8-K
Financial results, Regulation FD disclosure
Jan 5
Current report
8-K
Events of Dec 30
Entered into a material agreement
2023
Nov 27
Current report
8-K
Events of Nov 24
Delisting notice or listing transfer
Nov 15
Earnings call
Q3 2023 earnings call
Nov 15
Current report
8-K
Events of Nov 14
Financial results, Regulation FD disclosure
Nov 14
Quarterly report
10-Q
FY2023 Q3, ended Sep 30
Quarterly report for FY2023 Q3
Revenue $85K
▼ 73.8%
Net loss $1.33M
Diluted EPS -$0.03
Sep 22
Current report
8-K
Events of Sep 20
Other events
Sep 1
Earnings call
Q2 2023 earnings call
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