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ARQ Insider Trading

Insider Ownership Percentage: 23.89%
Insider Buying (Last 12 Months): $991,173.07
Insider Selling (Last 12 Months): $52,868.40

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: $2.50
Price Change: ▲ Price Increase of +0.17 (7.30%)
As of 03/25/2026 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
3/17/2026Joseph M. WongCTOBuy10,000$1.89$18,900.00400,686View SEC Filing Icon  
3/16/2026Claiborne Benson SmithInsiderBuy1,000$1.92$1,920.00102,491View SEC Filing Icon  
3/12/2026Claiborne Benson SmithInsiderBuy1,000$1.92$1,920.00101,491View SEC Filing Icon  
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  
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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
2/19/2026Invesco Ltd.28,736$94K0.0%+52.0%0.067%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd76,843$0.25M0.0%N/A0.180%Search for SEC Filing on Google Icon
2/18/2026Oxford Asset Management LLP13,680$45K0.0%N/A0.032%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC80,093$0.26M0.0%-39.3%0.188%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC74,780$0.25M0.0%+15.4%0.175%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC299,787$0.98M0.0%N/A0.702%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC110,783$0.36M0.0%N/A0.260%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC22,800$75K0.0%N/A0.053%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC33,129$0.11M0.0%N/A0.078%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio42,326$0.14M0.0%N/A0.099%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board22,965$75K0.0%N/A0.054%Search for SEC Filing on Google Icon
2/17/2026Rothschild Wealth LLC75,000$0.25M0.0%N/A0.176%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC17,113$56K0.0%-89.7%0.040%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC11,004$36K0.0%-56.9%0.026%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC49,829$0.16M0.0%+12.0%0.117%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP444,207$1.45M0.0%N/A1.041%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.99,993$0.33M0.0%+12.6%0.234%Search for SEC Filing on Google Icon
2/13/2026State Street Corp561,888$1.84M0.0%+1.0%1.316%Search for SEC Filing on Google Icon
2/13/2026Dynamic Technology Lab Private Ltd14,337$47K0.0%N/A0.034%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN44,877$0.15M0.0%+26.6%0.105%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP11,502$37K0.0%N/A0.027%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC412,299$1.35M0.0%+485.8%0.966%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP919,640$3.01M0.0%+7.4%2.154%Search for SEC Filing on Google Icon
2/12/2026Marex Group plc190,000$0.62M0.0%-24.0%0.445%Search for SEC Filing on Google Icon
2/11/2026DCF Advisers LLC260,570$0.85M0.2%N/A0.610%Search for SEC Filing on Google Icon
2/11/2026Franklin Resources Inc.32,281$0.11M0.0%-94.2%0.076%Search for SEC Filing on Google Icon
2/11/2026Los Angeles Capital Management LLC11,325$37K0.0%N/A0.027%Search for SEC Filing on Google Icon
2/11/2026Alta Fundamental Advisers LLC781,088$2.55M1.2%-7.7%1.830%Search for SEC Filing on Google Icon
2/10/20261492 Capital Management LLC44,306$0.15M0.1%-93.3%0.104%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.129,537$0.42M0.0%+27.0%0.303%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC778,142$2.55M0.0%+0.5%1.823%Search for SEC Filing on Google Icon
2/9/2026Royce & Associates LP1,458,444$4.77M0.0%+6.2%3.416%Search for SEC Filing on Google Icon
2/2/2026AIGH Capital Management LLC2,273,092$7.43M1.8%-11.9%5.325%Search for SEC Filing on Google Icon
1/28/2026Peapod Lane Capital LLC228,564$0.75M0.6%N/A0.535%Search for SEC Filing on Google Icon
1/12/2026Avanza Fonder AB13,419$44K0.0%-54.8%0.031%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.98,071$0.70M0.0%+555.9%0.230%Search for SEC Filing on Google Icon
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
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: $2.50
Low: $2.40
High: $2.58

50 Day Range

MA: $3.23
Low: $1.64
High: $3.85

52 Week Range

Now: $2.50
Low: $1.54
High: $7.89

Volume

1,441,288 shs

Average Volume

816,761 shs

Market Capitalization

$107.13 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.96

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

ARQ's top insider shareholders include:
  1. Robert E Rasmus (CEO)
  2. Joseph M Wong (CTO)
  3. Jeremy Blank (Director)
  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 — 5.32%
  2. Royce & Associates LP — 3.42%
  3. Dimensional Fund Advisors LP — 2.15%
  4. Alta Fundamental Advisers LLC — 1.83%
  5. Geode Capital Management LLC — 1.82%
  6. State Street Corp — 1.32%
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. 1492 Capital Management LLC
  2. Franklin Resources Inc.
  3. AIGH Capital Management LLC
  4. Squarepoint Ops LLC
  5. Alta Fundamental Advisers LLC
  6. Marex Group plc
  7. Millennium Management LLC
  8. Avanza Fonder AB
Within the previous year, company insiders that have sold ARQ company stock include:
  1. Robert E Rasmus (CEO)
  2. Joseph M Wong (CTO)
  3. Jeremy Blank (Director)
  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. Marshall Wace LLP
  2. Renaissance Technologies LLC
  3. AQR Capital Management LLC
  4. DCF Advisers LLC
  5. Peapod Lane Capital LLC
  6. Lazard Asset Management LLC
  7. Royce & Associates LP
  8. XTX Topco Ltd
In the previous year, these company insiders have bought ARQ stock:
  1. Robert E Rasmus (CEO)
  2. Joseph M Wong (CTO)
  3. Jeremy Blank (Director)
  4. Richard Campbell-Breeden (Director)
  5. Jeremy Williamson (COO)
  6. Claiborne Benson Smith (Insider)
Learn More investors buying ARQ stock.

ARQ Active Insiders

Robert E Rasmus
Robert E Rasmus
CEO
1 recent trades
Jeremy Williamson
Jeremy Williamson
Chief Operating Officer
Stacia Hansen
Stacia Hansen
CAO
Jeremy Blank
Jeremy Blank
Director
Joseph M Wong
Joseph M Wong
CTO
1 recent trades
Richard Campbell-Breeden
Richard Campbell-Breeden
Director
1 recent trades