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ARQ Insider Trading

Insider Ownership Percentage: 23.89%
Insider Buying (Last 12 Months): $968,433.07
Insider Selling (Last 12 Months): $149,220.24

ARQ Insider Trading History Chart

This chart shows the insider buying and selling history at ARQ by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

ARQ Share Price & Price History

Current Price: $3.84
Price Change: ▼ Price Decrease of -0.07 (-1.79%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for ARQ up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

ARQ Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/11/2025Richard Campbell-BreedenDirectorBuy28,638$3.54$101,378.52254,786View SEC Filing Icon  
11/10/2025Robert E. RasmusCEOBuy50,000$3.79$189,500.0070,718View SEC Filing Icon  
8/4/2025Claiborne Benson SmithInsiderSell2,591$5.20$13,473.2082,438View SEC Filing Icon  
8/4/2025Jeremy WilliamsonCOOSell1,782$5.20$9,266.40137,317View SEC Filing Icon  
8/4/2025Joseph M. WongCTOSell3,052$5.20$15,870.40367,738View SEC Filing Icon  
8/4/2025Stacia HansenCAOSell2,742$5.20$14,258.4073,199View SEC Filing Icon  
5/23/2025Jeremy BlankDirectorBuy50,000$4.10$205,000.00374,955View SEC Filing Icon  
5/23/2025Richard Campbell-BreedenDirectorBuy75,000$4.10$307,500.00226,148View SEC Filing Icon  
5/23/2025Robert E. RasmusCEOBuy25,000$4.10$102,500.00480,782View SEC Filing Icon  
5/14/2025Robert E. RasmusCEOBuy12,535$3.93$49,262.5520,718View SEC Filing Icon  
5/13/2025Robert E. RasmusCEOBuy2,921$4.00$11,684.008,183View SEC Filing Icon  
5/12/2025Jeremy WilliamsonCOOBuy400$4.02$1,608.00139,099View SEC Filing Icon  
3/24/2025Claiborne Benson SmithInsiderSell5,202$4.68$24,345.3685,029View SEC Filing Icon  
3/24/2025Jeremy WilliamsonCOOSell5,233$4.68$24,490.44138,699View SEC Filing Icon  
3/24/2025Joseph M. WongCTOSell6,596$4.68$30,869.28354,790View SEC Filing Icon  
3/24/2025Stacia HansenCAOSell3,557$4.68$16,646.7675,941View SEC Filing Icon  
9/23/2024Robert E. RasmusCEOBuy25,000$5.25$131,250.00450,792View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for ARQ (NASDAQ:ARQ)

18.49% of ARQ stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ARQ by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

ARQ Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Worth Venture Partners LLC22,500$0.16M0.5%N/A0.053%Search for SEC Filing on Google Icon
11/17/2025Perritt Capital Management Inc75,000$0.54M0.3%-81.4%0.176%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC25,522$0.18M0.0%+65.3%0.060%Search for SEC Filing on Google Icon
11/17/2025Numerai GP LLC26,503$0.19M0.0%N/A0.062%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC131,864$0.94M0.0%N/A0.309%Search for SEC Filing on Google Icon
11/17/2025Centiva Capital LP13,631$98K0.0%N/A0.032%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE71,149$0.51M0.0%+263.8%0.167%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC11,680$84K0.0%N/A0.027%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC64,780$0.46M0.0%-13.4%0.152%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC166,422$1.19M0.0%+529.6%0.390%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG167,283$1.20M0.0%+606.8%0.392%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets53,785$0.39M0.0%+1,476.8%0.126%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.560,789$4.02M0.0%N/A1.314%Search for SEC Filing on Google Icon
11/12/2025Gabelli Funds LLC50,000$0.36M0.0%+17.9%0.117%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP856,652$6.13M0.0%+10.6%2.006%Search for SEC Filing on Google Icon
11/12/2025First Eagle Investment Management LLC160,731$1.15M0.0%N/A0.376%Search for SEC Filing on Google Icon
11/12/2025Royce & Associates LP1,373,444$9.83M0.1%+168.8%3.217%Search for SEC Filing on Google Icon
11/10/2025AXQ Capital LP13,374$96K0.0%N/A0.031%Search for SEC Filing on Google Icon
11/7/2025CenterBook Partners LP230,869$1.65M0.1%N/A0.541%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.1,735,273$12.43M0.0%-0.8%4.065%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.98,071$0.70M0.0%+555.9%0.230%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC11,618$83K0.0%N/A0.027%Search for SEC Filing on Google Icon
10/31/2025AIGH Capital Management LLC2,579,486$18.47M5.2%-2.8%6.042%Search for SEC Filing on Google Icon
10/29/2025GatePass Capital LLC88,968$0.64M0.4%N/A0.208%Search for SEC Filing on Google Icon
10/16/2025Avanza Fonder AB29,688$0.21M0.0%-14.7%0.070%Search for SEC Filing on Google Icon
9/26/2025Corient Private Wealth LLC81,958$0.44M0.0%N/A0.192%Search for SEC Filing on Google Icon
8/19/2025Marex Group plc323,456$1.74M0.0%N/A0.758%Search for SEC Filing on Google Icon
8/15/2025Corient Private Wealth LLC81,958$0.44M0.0%N/A0.192%Search for SEC Filing on Google Icon
8/15/2025Gratia Capital LLC857,962$4.61M4.5%+23.7%2.010%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC74,780$0.40M0.0%-67.9%0.175%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE19,559$0.11M0.0%-12.5%0.046%Search for SEC Filing on Google Icon
8/14/2025Jane Street Group LLC17,388$93K0.0%N/A0.041%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 11,739$63K0.0%+13.7%0.027%Search for SEC Filing on Google Icon
8/13/2025Aristides Capital LLC43,487$0.23M0.0%-41.0%0.103%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd41,865$0.23M0.0%+260.1%0.099%Search for SEC Filing on Google Icon
8/12/2025DCF Advisers LLC108,494$0.58M0.3%-4.4%0.257%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.61,364$0.33M0.0%+16.6%0.145%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers44,607$0.24M0.0%+65.7%0.106%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC14,557$78K0.0%-31.9%0.034%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC766,025$4.11M0.0%+9.7%1.815%Search for SEC Filing on Google Icon
8/7/2025Connor Clark & Lunn Investment Management Ltd.34,522$0.19M0.0%-74.6%0.082%Search for SEC Filing on Google Icon
7/31/2025Nisa Investment Advisors LLC4,694$25K0.0%N/A0.011%Search for SEC Filing on Google Icon
7/29/2025AIGH Capital Management LLC2,654,486$14.26M6.4%-4.2%6.289%Search for SEC Filing on Google Icon
7/14/2025Avanza Fonder AB34,795$0.19M0.0%+109.4%0.082%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.91,172$0.38M0.0%-36.6%0.216%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.91,172$0.38M0.0%-36.6%0.216%Search for SEC Filing on Google Icon
5/16/2025AQR Capital Management LLC14,548$61K0.0%-22.9%0.034%Search for SEC Filing on Google Icon
5/14/2025Gabelli Funds LLC41,400$0.17M0.0%+27.8%0.098%Search for SEC Filing on Google Icon
5/14/2025Walleye Capital LLC10,656$44K0.0%N/A0.025%Search for SEC Filing on Google Icon
5/14/2025Maven Securities LTD80,421$0.34M0.0%+436.1%0.191%Search for SEC Filing on Google Icon
5/14/2025Wellington Management Group LLP700,600$2.92M0.0%+568.9%1.660%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.52,642$0.22M0.0%+36.0%0.125%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC200,366$0.84M0.0%N/A0.475%Search for SEC Filing on Google Icon
5/12/2025Invesco Ltd.19,533$81K0.0%-97.2%0.046%Search for SEC Filing on Google Icon
5/12/2025Connor Clark & Lunn Investment Management Ltd.135,939$0.57M0.0%-8.8%0.322%Search for SEC Filing on Google Icon
5/9/2025DCF Advisers LLC113,433$0.47M0.2%N/A0.269%Search for SEC Filing on Google Icon
5/8/2025XTX Topco Ltd11,625$48K0.0%-53.6%0.028%Search for SEC Filing on Google Icon
5/6/20251492 Capital Management LLC382,816$1.60M0.9%-1.5%0.907%Search for SEC Filing on Google Icon
5/6/2025AIGH Capital Management LLC2,770,278$11.55M4.8%-1.7%6.562%Search for SEC Filing on Google Icon
4/29/2025Bank of New York Mellon Corp139,325$0.58M0.0%+6.0%0.330%Search for SEC Filing on Google Icon
4/15/2025Avanza Fonder AB16,615$70K0.0%+84.6%0.040%Search for SEC Filing on Google Icon
3/24/2025Wellington Management Group LLP104,745$0.79M0.0%N/A0.249%Search for SEC Filing on Google Icon
2/17/2025York Capital Management Global Advisors LLC442,959$3.35M8.0%+6.6%1.054%Search for SEC Filing on Google Icon
2/17/2025Squarepoint Ops LLC77,589$0.59M0.0%-25.5%0.185%Search for SEC Filing on Google Icon
2/17/2025Two Sigma Investments LP36,303$0.28M0.0%+26.4%0.086%Search for SEC Filing on Google Icon
2/17/2025Nuveen Asset Management LLC313,616$2.37M0.0%+838.8%0.746%Search for SEC Filing on Google Icon
2/17/2025Occudo Quantitative Strategies LP22,243$0.17M0.0%N/A0.053%Search for SEC Filing on Google Icon
2/17/2025Maven Securities LTD15,000$0.11M0.0%N/A0.036%Search for SEC Filing on Google Icon
2/17/2025Millennium Management LLC153,470$1.16M0.0%+167.3%0.365%Search for SEC Filing on Google Icon
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.15,695$0.12M0.0%+14.6%0.037%Search for SEC Filing on Google Icon
2/17/2025Bridgeway Capital Management LLC355,244$2.69M0.1%-8.5%0.845%Search for SEC Filing on Google Icon
2/17/2025Bank of America Corp DE30,056$0.23M0.0%+35.0%0.072%Search for SEC Filing on Google Icon
2/17/2025Alyeska Investment Group L.P.555,500$4.21M0.0%-15.3%1.322%Search for SEC Filing on Google Icon
2/14/2025Manatuck Hill Partners LLC80,000$0.61M0.2%-20.0%0.190%Search for SEC Filing on Google Icon
2/14/2025Northern Trust Corp230,315$1.74M0.0%+14.6%0.548%Search for SEC Filing on Google Icon
2/14/2025Boothbay Fund Management LLC150,144$1.14M0.0%-17.5%0.357%Search for SEC Filing on Google Icon
2/14/2025Price T Rowe Associates Inc. MD10,330$79K0.0%N/A0.025%Search for SEC Filing on Google Icon
2/14/2025MetLife Investment Management LLC16,120$0.12M0.0%+361.1%0.038%Search for SEC Filing on Google Icon
2/14/2025Dimensional Fund Advisors LP449,312$3.40M0.0%+65.3%1.069%Search for SEC Filing on Google Icon
2/14/20251492 Capital Management LLC388,633$2.94M1.4%+152.7%0.925%Search for SEC Filing on Google Icon
2/13/2025Marshall Wace LLP213,400$1.62M0.0%+670.4%0.508%Search for SEC Filing on Google Icon
2/13/2025Jump Financial LLC25,648$0.19M0.0%N/A0.061%Search for SEC Filing on Google Icon
2/13/2025XTX Topco Ltd25,056$0.19M0.0%N/A0.060%Search for SEC Filing on Google Icon
2/13/2025Barclays PLC42,313$0.32M0.0%+26.9%0.101%Search for SEC Filing on Google Icon
2/13/2025Renaissance Technologies LLC83,600$0.63M0.0%N/A0.199%Search for SEC Filing on Google Icon
2/13/2025Invesco Ltd.708,324$5.36M0.0%+3,981.1%1.685%Search for SEC Filing on Google Icon
2/13/2025Cerity Partners LLC28,428$0.22M0.0%N/A0.068%Search for SEC Filing on Google Icon
2/13/2025Aristides Capital LLC73,649$0.56M0.1%+6.0%0.175%Search for SEC Filing on Google Icon
2/13/2025Wells Fargo & Company MN18,209$0.14M0.0%+66.9%0.043%Search for SEC Filing on Google Icon
2/12/2025Geode Capital Management LLC664,430$5.03M0.0%+11.4%1.581%Search for SEC Filing on Google Icon
2/12/2025Diametric Capital LP19,330$0.15M0.1%-82.5%0.046%Search for SEC Filing on Google Icon
2/12/2025Wellington Management Group LLP104,745$0.79M0.0%N/A0.249%Search for SEC Filing on Google Icon
2/12/2025Brandywine Global Investment Management LLC16,050$0.12M0.0%N/A0.038%Search for SEC Filing on Google Icon
2/12/2025Arrowstreet Capital Limited Partnership39,746$0.30M0.0%N/A0.095%Search for SEC Filing on Google Icon
2/12/2025JPMorgan Chase & Co.114,735$0.87M0.0%+956.7%0.273%Search for SEC Filing on Google Icon
2/11/2025American Century Companies Inc.38,717$0.29M0.0%+32.3%0.092%Search for SEC Filing on Google Icon
2/11/2025Intech Investment Management LLC11,729$89K0.0%N/A0.028%Search for SEC Filing on Google Icon
2/10/2025Connor Clark & Lunn Investment Management Ltd.149,119$1.13M0.0%+128.2%0.355%Search for SEC Filing on Google Icon
2/6/2025Charles Schwab Investment Management Inc.79,646$0.60M0.0%+12.6%0.189%Search for SEC Filing on Google Icon
1/17/2025SG Americas Securities LLC12,500$95K0.0%N/A0.030%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
ARQ logo
Arq, Inc. is a holding company. It engages in the provision of environmental and emission control equipment to the power generation industry. The company operates through the following Segments: Refined Coal and Advanced Purification Technologies. The Refined Coal segment includes the Tinuum Group, Tinuum Services, and GWN Manager. The Advanced Purification Technologies segment refers to the sale of Activated Carbon Injection and Dry Sorbent Injection equipment systems, chemical sales, consulting services, and other sales related to the reduction of emissions in the coal-fired electric generation process and the electric utility industry. The company was founded in 1996 and is headquartered in Greenwood Village, CO.
Read More on ARQ

Today's Range

Now: $3.84
Low: $3.71
High: $3.92

50 Day Range

MA: $5.53
Low: $3.30
High: $7.21

52 Week Range

Now: $3.84
Low: $3.27
High: $7.89

Volume

452,941 shs

Average Volume

631,487 shs

Market Capitalization

$163.93 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.95

Who are the company insiders with the largest holdings of ARQ?

ARQ's top insider shareholders include:
  1. Robert E Rasmus (CEO)
  2. Jeremy Blank (Director)
  3. Joseph M Wong (CTO)
  4. Richard Campbell-Breeden (Director)
  5. Jeremy Williamson (COO)
  6. Claiborne Benson Smith (Insider)
  7. Stacia Hansen (CAO)
Learn More about top insider investors at ARQ.

Who are the major institutional investors of ARQ?

ARQ's top institutional shareholders include:
  1. AIGH Capital Management LLC — 6.04%
  2. Vanguard Group Inc. — 4.06%
  3. Royce & Associates LP — 3.22%
  4. Dimensional Fund Advisors LP — 2.01%
  5. Franklin Resources Inc. — 1.31%
  6. CenterBook Partners LP — 0.54%
Learn More about top institutional investors of ARQ stock.

Which major investors are selling ARQ stock?

In the last quarter, ARQ stock was sold by these institutional investors:
  1. Perritt Capital Management Inc
  2. AIGH Capital Management LLC
  3. Susquehanna International Group LLP
  4. Vanguard Group Inc.
  5. Bridgeway Capital Management LLC
  6. Avanza Fonder AB
Within the previous year, company insiders that have sold ARQ company stock include:
  1. Robert E Rasmus (CEO)
  2. Jeremy Blank (Director)
  3. Joseph M Wong (CTO)
  4. Richard Campbell-Breeden (Director)
Learn More investors selling ARQ stock.

Which major investors are buying ARQ stock?

In the previous quarter, ARQ stock was bought by institutional investors including:
  1. Royce & Associates LP
  2. Franklin Resources Inc.
  3. CenterBook Partners LP
  4. First Eagle Investment Management LLC
  5. UBS Group AG
  6. Squarepoint Ops LLC
  7. Millennium Management LLC
  8. GatePass Capital LLC
In the previous year, these company insiders have bought ARQ stock:
  1. Robert E Rasmus (CEO)
  2. Jeremy Blank (Director)
  3. Joseph M Wong (CTO)
  4. Richard Campbell-Breeden (Director)
Learn More investors buying ARQ stock.