ClearSign Technologies (CLIR) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $2.40, -2.04% vs the prior close of $2.45.
- Volume 27.97K shares, 1.4x its 50-day average.
- No new SEC filings since the prior session.
- No new insider buys or sales reported since the prior session.
CLIR dips 2.0% to $2.40, a 52-week low, 5 down days in a row. Closed at $2.40, -2.04% vs the prior close of $2.45. Day range $2.36–$2.69, opened at $2.54.
CLIR daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — CLIR dips 2.0% to $2.40, a 52-week low, 5 down days in a row
- Closed at $2.40, -2.04% vs the prior close of $2.45. Day range $2.36–$2.69, opened at $2.54.
- Volume was 27.97K shares, 1.4x its 50-day average of 19.84K.
- Price is -37.7% vs its 50-day average ($3.85) and -48.9% vs its 200-day average ($4.70).
- 52-week range $2.35–$10.20; today's close sits at 1% of that range, 76.5% below the 52-week high.
- That makes 5 straight losses.
Oct 15, 2026 — CLIR slides 7.2% to $2.45, a 52-week low, 4 down days in a row
- Closed at $2.45, -7.20% vs the prior close of $2.64. Day range $2.35–$2.78, opened at $2.77.
- Volume was 24.80K shares, 1.3x its 50-day average of 19.43K.
- Price is -36.8% vs its 50-day average ($3.88) and -48.0% vs its 200-day average ($4.71).
- 52-week range $2.35–$10.20; today's close sits at 1% of that range, 76.0% below the 52-week high.
- That makes 4 straight losses.
Oct 14, 2026 — CLIR slides 8.3% to $2.64, a 52-week low, 3 down days in a row
- Closed at $2.64, -8.33% vs the prior close of $2.88. Day range $2.62–$2.85, opened at $2.83.
- Volume was 19.00K shares, 1.0x its 50-day average of 19.11K.
- Price is -32.4% vs its 50-day average ($3.91) and -44.2% vs its 200-day average ($4.73).
- 52-week range $2.62–$10.20; today's close sits at 0% of that range, 74.1% below the 52-week high.
- That makes 3 straight losses.
Oct 13, 2026 — CLIR dips 2.7% to $2.88, a 52-week low
- Closed at $2.88, -2.70% vs the prior close of $2.96. Day range $2.86–$3.13, opened at $3.01.
- Volume was 33.30K shares, 1.8x its 50-day average of 18.81K.
- Price is -26.8% vs its 50-day average ($3.94) and -39.3% vs its 200-day average ($4.75).
- 52-week range $2.86–$10.20; today's close sits at 0% of that range, 71.8% below the 52-week high.
Oct 12, 2026 — CLIR slides 7.8% to $2.96, a 52-week low
- Closed at $2.96, -7.79% vs the prior close of $3.21. Day range $2.92–$3.23, opened at $3.20.
- Volume was 22.90K shares, 1.2x its 50-day average of 18.38K.
- Price is -25.2% vs its 50-day average ($3.96) and -37.9% vs its 200-day average ($4.77).
- 52-week range $2.92–$10.20; today's close sits at 1% of that range, 71.0% below the 52-week high.
Oct 9, 2026 — CLIR jumps 3.2% to $3.21
- Closed at $3.21, +3.22% vs the prior close of $3.11. Day range $3.12–$3.32, opened at $3.12.
- Volume was 25.60K shares, 1.4x its 50-day average of 17.92K.
- Price is -19.2% vs its 50-day average ($3.98) and -32.9% vs its 200-day average ($4.78).
- 52-week range $3.11–$10.20; today's close sits at 1% of that range, 68.5% below the 52-week high.
Oct 8, 2026 — CLIR slides 5.8% to $3.11, a 52-week low, 7 down days in a row
- Closed at $3.11, -5.76% vs the prior close of $3.30. Day range $3.11–$3.43, opened at $3.27.
- Volume was 13.80K shares, 0.8x its 50-day average of 17.70K.
- Price is -22.0% vs its 50-day average ($3.99) and -35.1% vs its 200-day average ($4.79).
- 52-week range $3.11–$10.20; today's close sits at 0% of that range, 69.5% below the 52-week high.
- That makes 7 straight losses.
Oct 7, 2026 — CLIR ends flat (+0.0%) to $3.30, 6 down days in a row
- Closed at $3.30, +0.00% vs the prior close of $3.30. Day range $3.24–$3.39, opened at $3.24.
- Volume was 9.70K shares, 0.5x its 50-day average of 17.66K — lighter than usual.
- Price is -17.6% vs its 50-day average ($4.01) and -31.3% vs its 200-day average ($4.81).
- 52-week range $3.16–$11.10; today's close sits at 2% of that range, 70.3% below the 52-week high.
- That makes 6 straight losses.
Oct 6, 2026 — CLIR ends flat (+0.0%) to $3.30, 5 down days in a row
- Closed at $3.30, +0.00% vs the prior close of $3.30. Day range $3.29–$3.77, opened at $3.30.
- Volume was 9.10K shares, 0.5x its 50-day average of 17.84K — lighter than usual.
- Price is -17.9% vs its 50-day average ($4.02) and -31.5% vs its 200-day average ($4.82).
- 52-week range $3.16–$11.20; today's close sits at 2% of that range, 70.5% below the 52-week high.
- That makes 5 straight losses.
Oct 5, 2026 — CLIR slides 6.0% to $3.30, a 1-month low on 2.4x normal volume
- Closed at $3.30, -5.98% vs the prior close of $3.51. Day range $3.30–$3.74, opened at $3.53.
- Volume was 41.70K shares, 2.4x its 50-day average of 17.66K — unusually heavy trading.
- Price is -18.2% vs its 50-day average ($4.04) and -31.7% vs its 200-day average ($4.83).
- 52-week range $3.16–$11.20; today's close sits at 2% of that range, 70.5% below the 52-week high.
- That makes 4 straight losses.
Oct 2, 2026 — CLIR dips 1.1% to $3.51, 3 down days in a row
- Closed at $3.51, -1.13% vs the prior close of $3.55. Day range $3.41–$3.64, opened at $3.57.
- Volume was 28.40K shares, 1.5x its 50-day average of 18.34K.
- Price is -13.1% vs its 50-day average ($4.04) and -27.5% vs its 200-day average ($4.84).
- 52-week range $3.16–$11.20; today's close sits at 4% of that range, 68.7% below the 52-week high.
- That makes 3 straight losses.
CLIR latest news & SEC filings
Every SEC filing by or about CLIR in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Oct 2, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
Insider holdings update with no common-stock transactions in the table (often options or derivative awards only).
Sep 14, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Aug 20, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Aug 14, 2026 · Form 10-Q — Quarterly report
Quarterly report (unaudited financial statements for the quarter)
Quarter ended Jun 30, 2026:
- Net income: -$1.31M (prior year -$1.68M) (loss narrowed vs Jun 30, 2025)
- Diluted EPS: -$0.22 (prior year -$0.30) (loss narrowed vs Jun 30, 2025)
Aug 11, 2026 · Form 3 — New insider holdings
Initial insider ownership statement (Form 3) — a new director, officer or 10% owner disclosed their holdings
Aug 11, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Jul 24, 2026 · Form SCHEDULE 13G/A — Update to a passive 5%+ stake (13G)
Update to a passive 5%+ stake (13G)
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Jul 24, 2026 · Form 4 — Insider trade
Insider trade report (Form 4) — a director, officer or 10%+ owner changed their holdings
- Pasquesi John M bought 500,000 shares at $3.54 (≈$1.77M) on Jul 22, 2026
- Pasquesi John M bought 500,000 shares at $3.54 (≈$1.77M) on Jul 22, 2026
- Pasquesi John M bought 500,000 shares at $3.54 (≈$1.77M) on Jul 22, 2026
- Pasquesi John M bought 500,000 shares at $3.54 (≈$1.77M) on Jul 22, 2026
Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.
Jul 23, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
- Item 3.02 — Sold unregistered shares.
- Item 7.01 — Released information under Regulation FD (e.g. a presentation or press release).
Jul 6, 2026 · Form S-8 — Employee share plan registration
Registration of shares for employee stock plans (S-8)
Jul 6, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Things to know before you trade CLIR
- Last results release: Aug 20, 2026 (8-K Item 2.02). Previous ones: May 21, 2026, Apr 10, 2026, Feb 25, 2026. Based on that rhythm, the next report is likely around Nov 19, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 3.39% (largest 8.3%). That is a volatile stock.
- Liquidity: about 19.98K shares (≈$47.95K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $2.40 vs a range of $2.35–$10.20 (1% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: 1:10 on Mar 16, 2026
- Insider trades (Form 4, last 12 months, recent 25 shown): 20 open-market buys, 0 sales; latest: John M Pasquesi bought 500,000 shares on Jul 22, 2026.
- Latest filings: 8-K Sep 14, 2026; 8-K Aug 20, 2026; 10-Q Aug 14, 2026.
- Share count: 6.81M shares outstanding (Aug 8, 2026), -87.0% vs a year earlier — the company has been reducing its share count.
- Listing: Nasdaq · industry: Industrial Instruments For Measurement, Display, and Control.
CLIR market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 2.54 | 2.69 | 2.36 | 2.40 | 27.97K |
| Oct 15, 2026 | 2.77 | 2.78 | 2.35 | 2.45 | 24.80K |
| Oct 14, 2026 | 2.83 | 2.85 | 2.62 | 2.64 | 19.00K |
| Oct 13, 2026 | 3.01 | 3.13 | 2.86 | 2.88 | 33.30K |
| Oct 12, 2026 | 3.20 | 3.23 | 2.92 | 2.96 | 22.90K |
| Oct 9, 2026 | 3.12 | 3.32 | 3.12 | 3.21 | 25.60K |
| Oct 8, 2026 | 3.27 | 3.43 | 3.11 | 3.11 | 13.80K |
| Oct 7, 2026 | 3.24 | 3.39 | 3.24 | 3.30 | 9.70K |
| Oct 6, 2026 | 3.30 | 3.77 | 3.29 | 3.30 | 9.10K |
| Oct 5, 2026 | 3.53 | 3.74 | 3.30 | 3.30 | 41.70K |
| Oct 2, 2026 | 3.57 | 3.64 | 3.41 | 3.51 | 28.40K |
| Oct 1, 2026 | 3.33 | 3.76 | 3.26 | 3.55 | 14.00K |
| Sep 30, 2026 | 3.76 | 3.86 | 3.55 | 3.55 | 7.80K |
| Sep 29, 2026 | 3.65 | 3.90 | 3.65 | 3.73 | 6.80K |
| Sep 28, 2026 | 3.50 | 3.71 | 3.29 | 3.65 | 31.80K |
| Sep 25, 2026 | 3.59 | 3.60 | 3.38 | 3.45 | 11.70K |
| Sep 24, 2026 | 3.52 | 3.73 | 3.41 | 3.46 | 17.40K |
| Sep 23, 2026 | 3.76 | 4.01 | 3.47 | 3.54 | 36.90K |
| Sep 22, 2026 | 3.77 | 3.96 | 3.75 | 3.75 | 6.10K |
| Sep 21, 2026 | 3.85 | 4.05 | 3.79 | 3.79 | 10.80K |
About ClearSign Technologies
ClearSign Technologies (CLIR) is listed on the Nasdaq and classified by the SEC under “Industrial Instruments For Measurement, Display, and Control”. Its business address is in TULSA, OK. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1434524.
CLIR board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Lou Basenese | Director | Jul 2, 2026 |
| Anthony Digiandomenico | Director | Jul 2, 2026 |
| Colin James Deller | Chief Executive Officer | Apr 27, 2026 |
| Larry Michael Saddler | Director | Aug 11, 2026 |
| Gil Todd Silva | Director | Jul 2, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Colin James Deller | Chief Executive Officer | Apr 27, 2026 |
| Brent Hinds | Chief Financial Officer | Mar 2, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 22, 2026 | John M Pasquesi | Buy | 500,000 | $3.54 |
| Jul 22, 2026 | John M Pasquesi | Buy | 500,000 | $3.54 |
| Jul 22, 2026 | John M Pasquesi | Buy | 500,000 | $3.54 |
| Jul 22, 2026 | John M Pasquesi | Buy | 500,000 | $3.54 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.32 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.25 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.32 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.25 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.32 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.25 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.32 |
| Apr 23, 2026 | Gil Todd Silva | Buy | 1,000 | $5.25 |
| Mar 17, 2026 | Gil Todd Silva | Buy | 2,000 | $4.20 |
| Mar 17, 2026 | Gil Todd Silva | Buy | 2,000 | $4.20 |
| Mar 17, 2026 | Gil Todd Silva | Buy | 2,000 | $4.20 |
CLIR financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | — | $-5.50M | -0.99 | $-4.74M |
| Dec 31, 2024 | — | $-5.30M | -1.08 | $-4.37M |
| Dec 31, 2023 | — | $-5.19M | -0.13 | $-3.23M |
| Dec 31, 2022 | — | $-5.76M | -0.16 | $-4.99M |
| Dec 31, 2021 | — | $-7.89M | -0.25 | $-6.71M |
Latest balance sheet: total assets $12.19M, total liabilities $2.36M, cash $9.89M (as of Jun 30, 2026).
CLIR earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 20, 2026 | 8-K Item 2.02 (results) | $4.69 |
| May 21, 2026 | 8-K Item 2.02 (results) | $5.01 |
| Apr 10, 2026 | 8-K Item 2.02 (results) | $5.29 |
| Feb 25, 2026 | 8-K Item 2.02 (results) | $5.80 |
| Jan 7, 2026 | 8-K Item 2.02 (results) | $7.70 |
| Nov 21, 2025 | 8-K Item 2.02 (results) | $8.10 |
| Aug 15, 2025 | 8-K Item 2.02 (results) | $5.60 |
| May 23, 2025 | 8-K Item 2.02 (results) | $6.20 |
| Apr 4, 2025 | 8-K Item 2.02 (results) | $5.00 |
| Nov 21, 2024 | 8-K Item 2.02 (results) | $11.30 |
| Aug 23, 2024 | 8-K Item 2.02 (results) | — |
| May 28, 2024 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.