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ClearSign Technologies Corporation

$3.85 -$1.85 (-32.46%)
NASDAQ · 14 Sep 2026 20:00 UTC
Previous Close
$4.03
Day Range
$3.8$4.26
Year Range
$3.16$11.2
Market Cap
24.28M
AVG Volume
16.87K
Trailing/Forward PE
-4.19/-
PEG ratio
0.09
Dividend Yield
-
Next Earnings Date
2026-11-13
Primary Exchange
NASDAQUS
Revenue (USD)
02M4M6M2016201720182019202020212022202320242025
CLIR Revenue (USD) by year
PeriodRevenue (USD)
20255.23M
20243.6M
20232.4M
2022374K
2021607K
20200
20190
2018530K
2017540K
2016621K
Net Income (USD)
-15M-10M-5M02016201720182019202020212022202320242025
CLIR Net Income (USD) by year
PeriodNet Income (USD)
2025-5.5M
2024-5.3M
2023-5.19M
2022-5.76M
2021-7.89M
2020-6.88M
2019-8.48M
2018-9.5M
2017-9.68M
2016-11.17M
Operating Income (USD)
-15M-10M-5M02016201720182019202020212022202320242025
CLIR Operating Income (USD) by year
PeriodOperating Income (USD)
2025-6.24M
2024-6.49M
2023-5.9M
2022-6.12M
2021-8.14M
2020-6.93M
2019-8.58M
2018-9.57M
2017-9.71M
2016-11.21M
EBITDA (USD)
-15M-10M-5M02016201720182019202020212022202320242025
CLIR EBITDA (USD) by year
PeriodEBITDA (USD)
2025-5.33M
2024-5.55M
2023-5.22M
2022-5.44M
2021-7.63M
2020-6.72M
2019-8.34M
2018-9.3M
2017-9.5M
2016-10.99M
Cash Flows (USD)
-10M-7.5M-5M-2.5M02016201720182019202020212022202320242025
CLIR Cash Flows (USD) by year
PeriodCash Flows (USD)
2025-4.84M
2024-4.53M
2023-3.33M
2022-5.12M
2021-6.85M
2020-6.09M
2019-7.32M
2018-8.89M
2017-8.68M
2016-9.73M
EPS (USD)
-10-7.5-5-2.502016201720182019202020212022202320242025
CLIR EPS (USD) by year
PeriodEPS (USD)
2025-0.99
2024-1.13
2023-1.28
2022-1.56
2021-2.53
2020-2.52
2019-3.2
2018-4.3
2017-6.1
2016-8.5
Expenses (USD)
05M10M15MR&DSG&ACapex2016201720182019202020212022202320242025
CLIR Expenses (USD) by year
PeriodExpenses (USD)
20258.2M
20247.76M
20236.81M
20226.36M
20217.83M
20206.72M
20198.94M
201810.18M
201710.29M
201612.39M
Cash & Debt (USD)
05M10M15M20MCashLong Term DebtShort Term Debt2016201720182019202020212022202320242025
CLIR Cash & Debt (USD) by year
PeriodCash & Debt (USD)
20259.18M
202414.04M
20235.68M
20229.06M
20217.61M
20208.82M
20198.55M
201815.87M
20171.25M
20161.26M
Debt ratios
00.20.40.620182019202020212022202320242025
CLIR Debt ratios by year
PeriodDebt ratios
20250.42
20240.58
20230.22
20220.31
20210.22
20200.24
20190.21
20180.41
Margins
-100%-50%0%50%201520162017201820212022202320242025
CLIR Margins by year
PeriodMargins
202527.21%
202431.09%
202334%
202231.02%
2021-74.46%
201819.43%
201729.63%
201621.9%
201518.03%
Return on Capital
-600%-400%-200%0%2016201720182019202020212022202320242025
CLIR Return on Capital by year
PeriodReturn on Capital
2025-57.67%
2024-38.5%
2023-100.04%
2022-60.28%
2021-95.28%
2020-72.15%
2019-91.9%
2018-56.18%
2017-398.03%
2016-497.91%
Shares Outstanding
02M4M6M2016201720182019202020212022202320242025
CLIR Shares Outstanding by year
PeriodShares Outstanding
20255.55M
20244.89M
20233.87M
20223.8M
20213.15M
20202.78M
20192.67M
20182.54M
20171.77M
20161.49M
Book Value Per Share (USD)
024682016201720182019202020212022202320242025
CLIR Book Value Per Share (USD) by year
PeriodBook Value Per Share (USD)
20251.72
20242.81
20231.34
20222.51
20212.63
20203.43
20193.45
20186.65
20171.37
20161.51
Total Assets (USD)
05M10M15M20M2016201720182019202020212022202320242025
CLIR Total Assets (USD) by year
PeriodTotal Assets (USD)
202512.18M
202415.92M
20237.62M
202210.93M
20219.36M
202011.12M
201910.94M
201818.64M
20174.16M
20163.79M
Employee Count
051015202016201720182019202020212022202320242025
CLIR Employee Count by year
PeriodEmployee Count
202515
202418
202315
202216
202112
202015
201915
201816
201717
201619
Free Cash Flow Yield
-30%-25%-20%-15%-10%-5%med -12.85%Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
CLIR Free Cash Flow Yield by year
PeriodFree Cash Flow Yield
Sep 26-25.14%
Sep 26-24.02%
Sep 26-24.76%
Aug 26-21.66%
Aug 26-21.61%
Aug 26-20.82%
Aug 26-24.15%
Jul 26-23.47%
Jul 26-25.95%
Jul 26-25.02%
Jul 26-24.35%
Jul 26-22.31%
Jun 26-25.02%
Jun 26-23.9%
Jun 26-22.2%
Jun 26-22.99%
May 26-19.56%
May 26-18.68%
May 26-19.23%
May 26-19.19%
May 26-17.02%
Apr 26-17.43%
Apr 26-15.99%
Apr 26-16.47%
Apr 26-18.04%
Mar 26-19.12%
Mar 26-20.67%
Mar 26-16.52%
Mar 26-13.34%
Feb 26-12.73%
Feb 26-12.02%
Feb 26-11.65%
Feb 26-12.33%
Jan 26-11.9%
Jan 26-10.28%
Jan 26-9.4%
Jan 26-9.22%
Jan 26-12.55%
Dec 25-11.74%
Dec 25-12.55%
Dec 25-10.92%
Dec 25-9.35%
Nov 25-9.65%
Nov 25-8.8%
Nov 25-8.11%
Nov 25-7.06%
Oct 25-7.55%
Oct 25-7.38%
Oct 25-7.72%
Oct 25-7.64%
Oct 25-7.66%
Sep 25-8.15%
Sep 25-9.63%
Sep 25-12.17%
Sep 25-11.17%
Aug 25-11.25%
Aug 25-11.14%
Aug 25-11.69%
Aug 25-15.08%
Aug 25-15.49%
Jul 25-14.17%
Jul 25-14.56%
Jul 25-15.63%
Jul 25-15.72%
Jun 25-15.08%
Jun 25-13.62%
Jun 25-14.07%
Jun 25-12.79%
May 25-12.42%
May 25-13.62%
May 25-11.44%
May 25-16.97%
May 25-15.68%
Apr 25-16.23%
Apr 25-15.95%
Apr 25-16.08%
Apr 25-18.5%
Mar 25-13.1%
Mar 25-13.02%
Mar 25-12.53%
Mar 25-11.87%
Feb 25-13.29%
Feb 25-12.61%
Feb 25-10.09%
Feb 25-8.85%
Jan 25-8.27%
Jan 25-7.7%
Jan 25-6.68%
Jan 25-8.7%
Jan 25-7.36%
Dec 24-8.27%
Dec 24-8.93%
Dec 24-8.7%
Dec 24-8.55%
Nov 24-8.55%
Nov 24-8.55%
Nov 24-11.73%
Nov 24-12.27%
Nov 24-12.9%
Oct 24-13.77%
Price to Sales
0510152025med 11.01Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
CLIR Price to Sales by year
PeriodPrice to Sales
Sep 264.19
Sep 264.39
Sep 264.25
Aug 264.86
Aug 264.87
Aug 265.06
Aug 264.2
Jul 264.32
Jul 263.91
Jul 264.05
Jul 264.17
Jul 264.55
Jun 264.05
Jun 264.24
Jun 264.57
Jun 264.41
May 265.19
May 265.43
May 265.28
May 264.82
May 265.43
Apr 265.3
Apr 265.78
Apr 265.61
Apr 265.12
Mar 269.68
Mar 268.96
Mar 2611.21
Mar 2613.88
Feb 2614.55
Feb 2615.41
Feb 2615.9
Feb 2615.02
Jan 2615.56
Jan 2618.02
Jan 2619.7
Jan 2620.09
Jan 2614.76
Dec 2515.77
Dec 2514.76
Dec 2516.96
Dec 2519.81
Nov 2519.19
Nov 2521.05
Nov 2522.84
Nov 2517.22
Oct 2516.1
Oct 2516.47
Oct 2515.75
Oct 2515.92
Oct 2515.88
Sep 2514.92
Sep 2512.62
Sep 2510
Sep 2510.88
Aug 2510.81
Aug 2510.92
Aug 2510.4
Aug 2510.64
Aug 2510.35
Jul 2511.32
Jul 2511.02
Jul 2510.26
Jul 2510.2
Jun 2510.64
Jun 2511.78
Jun 2511.4
Jun 2512.54
May 2512.92
May 2511.78
May 2514.02
May 257.42
May 258.03
Apr 257.76
Apr 257.89
Apr 257.82
Apr 256.8
Mar 259.84
Mar 259.91
Mar 2510.29
Mar 2510.87
Feb 259.7
Feb 2510.23
Feb 2512.78
Feb 2514.57
Jan 2515.6
Jan 2516.75
Jan 2519.3
Jan 2514.83
Jan 2517.51
Dec 2415.6
Dec 2414.45
Dec 2414.83
Dec 2415.08
Nov 2415.08
Nov 2415.08
Nov 2410.99
Nov 2417.37
Nov 2416.52
Oct 2415.48
Price to Book
123456med 3.05Dec 24Apr 25Jul 25Nov 25Feb 26Jun 26Sep 26
CLIR Price to Book by year
PeriodPrice to Book
Sep 262.32
Sep 262.43
Sep 262.36
Aug 262.7
Aug 262.7
Aug 262.8
Aug 262.77
Jul 262.85
Jul 262.58
Jul 262.67
Jul 262.75
Jul 263
Jun 262.67
Jun 262.8
Jun 263.01
Jun 262.91
May 263.42
May 263.58
May 263.48
May 262.64
May 262.98
Apr 262.91
Apr 263.17
Apr 263.08
Apr 262.81
Mar 262.3
Mar 262.12
Mar 262.66
Mar 263.29
Feb 263.45
Feb 263.65
Feb 263.77
Feb 263.56
Jan 263.69
Jan 264.27
Jan 264.67
Jan 264.77
Jan 263.5
Dec 253.74
Dec 253.5
Dec 254.02
Dec 254.7
Nov 254.55
Nov 254.99
Nov 255.42
Nov 254.93
Oct 254.61
Oct 254.72
Oct 254.51
Oct 254.56
Oct 254.55
Sep 254.27
Sep 253.62
Sep 252.86
Sep 253.12
Aug 253.1
Aug 253.13
Aug 252.98
Aug 252.56
Aug 252.49
Jul 252.72
Jul 252.65
Jul 252.47
Jul 252.45
Jun 252.56
Jun 252.83
Jun 252.74
Jun 253.01
May 253.11
May 252.83
May 253.37
May 251.94
May 252.1
Apr 252.03
Apr 252.06
Apr 252.04
Apr 251.78
Mar 252.84
Mar 252.86
Mar 252.97
Mar 253.14
Feb 252.8
Feb 252.95
Feb 253.69
Feb 254.21
Jan 254.5
Jan 254.84
Jan 255.57
Jan 254.28
Jan 255.06
Dec 244.5
Dec 244.17
Dec 244.28
Dec 244.36
Nov 244.36
Nov 244.36
Nov 243.17
Nov 242.74
Nov 242.61
Oct 242.44
ClearSign Technologies Corporation
CLIR
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News: CLIR

ClearSign Technologies Corporation to Present at H.C. Wainwright 28th Annual Global Investment Conference

accessnewswire.com · 10 Sep 2026

ClearSign Technologies Corporation to Present at H.C. Wainwright 28th Annual Global Investment Conference

Company to Present on Tuesday, September 15th at 3:30pm ET TULSA, OK / ACCESS Newswire / September 10, 2026 / ClearSign Technologies Corporation (NASDAQ:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen announced today that Chief Executive Officer, Jim Deller, Ph.D., will present at the upcoming H.C.

ClearSign (CLIR) Upgraded to Buy: What Does It Mean for the Stock?

zacks.com · 27 Aug 2026

ClearSign (CLIR) Upgraded to Buy: What Does It Mean for the Stock?

ClearSign (CLIR) has been upgraded to a Zacks Rank #2 (Buy), reflecting growing optimism about the company's earnings prospects. This might drive the stock higher in the near term.

ClearSign Technologies Corporation (CLIR) Q2 2026 Earnings Call Transcript

seekingalpha.com · 20 Aug 2026

ClearSign Technologies Corporation (CLIR) Q2 2026 Earnings Call Transcript

ClearSign Technologies Corporation (CLIR) Q2 2026 Earnings Call Transcript

ClearSign Technologies Corporation Provides Second Quarter 2026 Update

accessnewswire.com · 19 Aug 2026

ClearSign Technologies Corporation Provides Second Quarter 2026 Update

TULSA, OK / ACCESS Newswire / August 19, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today provides an update on operations for the second quarter ended June 30, 2026. "We made notable progress across multiple product lines," said Jim Deller, Ph.D.

ClearSign Board of Directors Appoints Former ExxonMobil Global Technology Leader Larry Saddler

accessnewswire.com · 11 Aug 2026

ClearSign Board of Directors Appoints Former ExxonMobil Global Technology Leader Larry Saddler

TULSA, OK / ACCESS Newswire / August 11, 2026 / ClearSign Technologies Corporation (NASDAQ:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that industry veteran Larry Saddler has been appointed to fill the vacant directorship on the Company's Board of Directors (the "Board"). "We are very excited to have Larry join the Board," said Jim Deller, Ph.D.

ClearSign Technologies Corporation Announces Second Quarter 2026 Conference Call

accessnewswire.com · 5 Aug 2026

ClearSign Technologies Corporation Announces Second Quarter 2026 Conference Call

Hosting Call at 5pm ET on Wednesday, August 19th TULSA, OK / ACCESS Newswire / August 5, 2026 / ClearSign Technologies Corporation (NASDAQ:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, announces that on Wednesday, August 19th, 2026, the Company will host a conference call at 5:00 PM ET. The Company will file its quarterly report on form 10-Q with the SEC in the coming days and will issue a summary of its financial and operating results for the quarter ending on June 30, 2026, in a press release on the day of the call.

ClearSign Receives Order for "M1" Series Burner from Tulsa Midstream Heaters (THM)

accessnewswire.com · 28 Jul 2026

ClearSign Receives Order for "M1" Series Burner from Tulsa Midstream Heaters (THM)

Third Burner Sold by THM for same West Texas customer TULSA, OK / ACCESS Newswire / July 28, 2026 / ClearSign Technologies Corporation (NASDAQ:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it has received another purchase order for a ClearSign Core™ M1 burner. The order was received from heater manufacturer Tulsa Heaters Midstream ("THM") and is the third order from this customer within a couple of months.

ClearSign Announces Private Placement of $1,770,000

accessnewswire.com · 23 Jul 2026

ClearSign Announces Private Placement of $1,770,000

At the Market Transaction With Existing Stockholder TULSA, OK / ACCESS Newswire / July 23, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces the completion of a private placement (the "Placement") of 500,000 shares of its common stock, par value $0.001 per share, with an existing stockholder at a price of $3.54 per share, the average closing price reported on Nasdaq for the five trading days ending on June 21, 2026, for gross proceeds of $1,770,000. The Placement closed on July 22, 2026.

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