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Arq, Inc. (ARQ)

Arq, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Arq, Inc. (ARQ) is a Industrial - Pollution & Treatment Controls company based in US with a market capitalization of $118.1M. Revenue grew 10.4% year-over-year and free cash flow was negative at -$11.1M. This page tracks ARQ's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 200 employees · IPO Jan 23, 2004

Valuation

Valuation & price

$2.62 · as of May 17, 2026 · -66.1% vs 52w high

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P/E ratio

Latest-FY diluted EPS

0.70

P/B ratio

Market cap ÷ book equity

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Dividend yield

Price — last 12 months

$7.64$4.64$1.64Jul 25Dec 25Jun 26Jul 7, 25$6.03Jul 9, 25$5.97Jul 11, 25$5.73Jul 15, 25$5.97Jul 17, 25$5.89Jul 21, 25$5.77Jul 23, 25$5.75Jul 25, 25$5.80Jul 29, 25$5.52Jul 31, 25$5.35Aug 4, 25$5.47Aug 6, 25$6.69Aug 8, 25$6.62Aug 12, 25$7.20Aug 14, 25$7.36Aug 18, 25$7.19Aug 20, 25$7.01Aug 22, 25$7.39Aug 26, 25$7.35Aug 28, 25$7.64Sep 3, 25$7.18Sep 5, 25$7.08Sep 9, 25$7.04Sep 11, 25$7.06Sep 15, 25$7.40Sep 17, 25$7.19Sep 19, 25$7.36Sep 23, 25$7.20Sep 25, 25$7.40Sep 29, 25$7.20Oct 1, 25$7.07Oct 3, 25$7.00Oct 7, 25$7.07Oct 9, 25$6.80Oct 13, 25$7.21Oct 15, 25$7.02Oct 17, 25$6.70Oct 21, 25$6.99Oct 23, 25$6.86Oct 27, 25$6.94Oct 30, 25$6.68Nov 3, 25$6.60Nov 5, 25$6.35Nov 7, 25$3.85Nov 11, 25$3.47Nov 13, 25$3.57Nov 17, 25$3.51Nov 19, 25$3.50Nov 21, 25$3.50Nov 25, 25$3.61Nov 28, 25$3.72Dec 2, 25$3.82Dec 4, 25$3.84Dec 8, 25$3.68Dec 10, 25$3.66Dec 12, 25$3.35Dec 16, 25$3.29Dec 18, 25$3.31Dec 22, 25$3.24Dec 24, 25$3.41Dec 29, 25$3.30Jan 2, 26$3.33Jan 6, 26$3.54Jan 8, 26$3.66Jan 12, 26$3.82Jan 14, 26$3.62Jan 16, 26$3.63Jan 21, 26$3.67Jan 23, 26$3.79Jan 27, 26$3.79Jan 29, 26$3.65Feb 2, 26$3.61Feb 4, 26$3.75Feb 6, 26$3.52Feb 10, 26$3.85Feb 12, 26$3.62Feb 17, 26$3.41Feb 19, 26$3.53Feb 23, 26$3.36Feb 25, 26$3.57Mar 2, 26$3.50Mar 4, 26$3.50Mar 6, 26$3.21Mar 10, 26$1.64Mar 12, 26$2.04Mar 16, 26$1.88Mar 18, 26$1.90Mar 20, 26$1.99Mar 24, 26$2.33Mar 26, 26$2.50Mar 30, 26$2.49Apr 1, 26$2.36Apr 6, 26$2.47Apr 8, 26$2.29Apr 10, 26$2.17Apr 14, 26$2.24Apr 16, 26$2.27Apr 20, 26$2.24Apr 22, 26$2.23Apr 24, 26$2.29Apr 28, 26$2.27May 1, 26$2.29May 5, 26$2.37May 7, 26$2.59May 11, 26$2.73May 13, 26$2.55May 15, 26$2.62May 19, 26$2.54May 21, 26$2.48May 26, 26$2.49May 28, 26$2.75Jun 1, 26$2.79Jun 3, 26$2.60Jun 5, 26$2.60Jun 9, 26$2.69Jun 11, 26$2.66Jun 15, 26$2.72Jun 17, 26$2.73Jun 22, 26$2.58Jun 26, 26$2.34
$1.6452-week range$7.73
Loading valuation history…

Fundamentals

Key fundamentals

$118.1M

Market cap

10.4%

Revenue growth (YoY)

27.9%

Gross margin

-$11.1M

Free cash flow (USD)

$30.8M

Net debt

15.2%

Share dilution

2/5

Graham criteria passed

Defensive-investor screen

Industrials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$50.6MFY 2017$45.4MFY 2018$23.9MFY 2019$70.1MFY 2020$67.4MFY 2021$100.3MFY 2022$103.0MFY 2023$99.2MFY 2024$109.0MFY 2025$120.3M
$50.6M$120.3M

Free cash flow by year

2016 → 2025

FY 2016$19.7MFY 2017$36.7MFY 2018$36.8MFY 2019$54.4MFY 2020$47.4MFY 2021$19.8MFY 2022$-15.0MFY 2023$-44.2MFY 2024$-74.7MFY 2025$-11.1M
$19.7M-$11.1M

Gross margin by year

2021 → 2025

FY 202134.6%FY 202221.9%FY 202332.1%FY 202436.2%FY 202527.9%
34.6%27.9%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

1

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventSeparation AgreementJul 2, 2026Filing
  • 8-K eventInterim Chief Accounting Officer AppointmentJun 18, 2026Filing
  • 8-K eventIncentive Plan EstablishedJun 11, 2026Filing
  • 8-K eventExecutive AppointmentMay 27, 2026Filing
  • Insider sellInsider Sell $38KVoncannon Jay Loring · Chief Financial Officer · $37.9KMay 6, 2026Filing
  • Quarterly report10-Q FiledMay 6, 2026Filing
  • 8-K eventEarnings ReleaseMay 6, 2026Filing
  • 8-K eventSeparation AgreementMay 1, 2026Filing
  • 8-K eventTax Asset Protection Plan AmendmentApr 17, 2026Filing
  • 8-K eventCredit Agreement AmendmentApr 1, 2026Filing

Questions

Frequently asked questions

What is Arq, Inc.'s market cap?

Arq, Inc. (ARQ) has a market capitalization of $118.1M.

What is ARQ's P/E ratio?

A meaningful P/E ratio is not available for ARQ — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is ARQ's price-to-book (P/B) ratio?

ARQ trades at 0.70 times book value per share.

Are insiders buying ARQ stock?

SEC Form 4 filings show no open-market insider buys at Arq, Inc. in the last 90 days (1 sell).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.