Listed

Arq, Inc.

ARQNasdaqCIK 1515156MaterialsFiscal year ends Dec 31

Latest reported revenue, Q2 FY2026$29.9mRevenue, Q2 FY2026, three months to 2026-06-30$29.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figureThree months to Jun 30, 2026, from the 10-Q filed Aug 10, 2026.

Latest quarter: Q2 FY2026

Three months to Jun 30, 2026, against the same quarter a year earlier.

  • Revenue$29.9mRevenue, Q2 FY2026, three months to 2026-06-30$29.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure+4.5% on a year earlier
  • Gross marginnot reported (Gross profit not reported)No year-earlier figure to compare
  • Operating margin−0.2%Operating margin, Q2 FY2026, three months to 2026-06-30. operating income / revenueOperating income: −$68.0k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $29.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure+6.0 pts on a year earlier
  • Net margin−2.5%Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: −$733.0k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $29.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure+5.8 pts on a year earlier
  • Diluted EPS−$0.02Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure+66.7% on a year earlier
  • Free cash flow−$4.0mFree cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: −$2.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-10, accession 0001515156-26-000114. Derived: 6-month figure less the 3-month figure.Capital expenditure: $1.2m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-08-10, accession 0001515156-26-000114. Derived: 6-month figure less the 3-month figure.Report this figure−192.6% on a year earlier

Last eight quarters

Full statements
Revenue$29.9mOperating margin −0.2%
Diluted EPS−$0.02, Q2 FY2026
Free cash flow−$4.0m, Q2 FY2026
Arq, Inc., key figures for the last eight quarters
Line itemUnitQ3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30Shape over the periods
Revenue$m34.8Revenue, Q3 FY2024, three months to 2024-09-30$34.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figure27.0Revenue, Q4 FY2024, three months to 2024-12-31$27.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure27.2Revenue, Q1 FY2025, three months to 2025-03-31$27.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure28.6Revenue, Q2 FY2025, three months to 2025-06-30$28.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure35.1Revenue, Q3 FY2025, three months to 2025-09-30$35.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figure29.4Revenue, Q4 FY2025, three months to 2025-12-31$29.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure29.1Revenue, Q1 FY2026, three months to 2026-03-31$29.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure29.9Revenue, Q2 FY2026, three months to 2026-06-30$29.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure
Gross margin%not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)
Operating margin%5.8%Operating margin, Q3 FY2024, three months to 2024-09-30. operating income / revenueOperating income: $2.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Revenue: $34.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figure1.5%Operating margin, Q4 FY2024, three months to 2024-12-31. operating income / revenueOperating income: $413.0k. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Revenue: $27.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure2.4%Operating margin, Q1 FY2025, three months to 2025-03-31. operating income / revenueOperating income: $662.0k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Revenue: $27.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(6.3%)Operating margin, Q2 FY2025, three months to 2025-06-30. operating income / revenueOperating income: −$1.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $28.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure(2.4%)Operating margin, Q3 FY2025, three months to 2025-09-30. operating income / revenueOperating income: −$839.0k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Revenue: $35.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figure(174.1%)Operating margin, Q4 FY2025, three months to 2025-12-31. operating income / revenueOperating income: −$51.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Revenue: $29.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure(3.4%)Operating margin, Q1 FY2026, three months to 2026-03-31. operating income / revenueOperating income: −$982.0k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Revenue: $29.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(0.2%)Operating margin, Q2 FY2026, three months to 2026-06-30. operating income / revenueOperating income: −$68.0k. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $29.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure
Net margin%4.7%Net margin, Q3 FY2024, three months to 2024-09-30. net income / revenueNet income: $1.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Revenue: $34.8m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figure(5.0%)Net margin, Q4 FY2024, three months to 2024-12-31. net income / revenueNet income: −$1.3m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Revenue: $27.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure(0.1%)Net margin, Q1 FY2025, three months to 2025-03-31. net income / revenueNet income: −$33.0k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $27.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(8.3%)Net margin, Q2 FY2025, three months to 2025-06-30. net income / revenueNet income: −$2.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $28.6m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure(1.9%)Net margin, Q3 FY2025, three months to 2025-09-30. net income / revenueNet income: −$653.0k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Revenue: $35.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figure(170.0%)Net margin, Q4 FY2025, three months to 2025-12-31. net income / revenueNet income: −$50.0m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Revenue: $29.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure(3.9%)Net margin, Q1 FY2026, three months to 2026-03-31. net income / revenueNet income: −$1.1m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $29.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(2.5%)Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: −$733.0k. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Revenue: $29.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure
Diluted EPS$ per share0.04Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.04 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figurenot reported (Diluted EPS not reported)0.00Diluted EPS, Q1 FY2025, three months to 2025-03-31$0.00 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(0.06)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.06 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure(0.02)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-05, accession 0001515156-25-000138.Report this figurenot reported (Diluted EPS not reported)(0.02)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(0.02)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.02 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-10, accession 0001515156-26-000114.Report this figure
Free cash flow$m(5.8)Free cash flow, Q3 FY2024, three months to 2024-09-30. operating cash flow − capital expenditureOperating cash flow: $7.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-05, accession 0001515156-25-000138. Derived: 9-month figure less the 6-month figure.Capital expenditure: $13.4m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2025-11-05, accession 0001515156-25-000138. Derived: 9-month figure less the 6-month figure.Report this figure(37.8)Free cash flow, Q4 FY2024, three months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $5.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Capital expenditure: $43.0m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure(9.5)Free cash flow, Q1 FY2025, three months to 2025-03-31. operating cash flow − capital expenditureOperating cash flow: −$5.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Capital expenditure: $3.7m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(1.4)Free cash flow, Q2 FY2025, three months to 2025-06-30. operating cash flow − capital expenditureOperating cash flow: $527.0k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-10, accession 0001515156-26-000114. Derived: 6-month figure less the 3-month figure.Capital expenditure: $1.9m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-08-10, accession 0001515156-26-000114. Derived: 6-month figure less the 3-month figure.Report this figure3.1Free cash flow, Q3 FY2025, three months to 2025-09-30. operating cash flow − capital expenditureOperating cash flow: $5.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-05, accession 0001515156-25-000138. Derived: 9-month figure less the 6-month figure.Capital expenditure: $2.2m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2025-11-05, accession 0001515156-25-000138. Derived: 9-month figure less the 6-month figure.Report this figure(3.5)Free cash flow, Q4 FY2025, three months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: −$2.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Capital expenditure: $783.0k. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2026-03-10, accession 0001515156-26-000021. Derived: 12-month figure less the 9-month figure.Report this figure(0.7)Free cash flow, Q1 FY2026, three months to 2026-03-31. operating cash flow − capital expenditureOperating cash flow: $64.0k. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Capital expenditure: $740.0k. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-05-06, accession 0001515156-26-000062.Report this figure(4.0)Free cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: −$2.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-10, accession 0001515156-26-000114. Derived: 6-month figure less the 3-month figure.Capital expenditure: $1.2m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-08-10, accession 0001515156-26-000114. Derived: 6-month figure less the 3-month figure.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Last five fiscal years

Revenue$120.3mOperating margin −44.0%
Diluted EPS−$1.27, FY2025
Free cash flow−$11.3m, FY2025
Arq, Inc., key figures for the last five fiscal years
Line itemUnitFY20212021-12-31FY20222022-12-31FY20232023-12-31FY20242024-12-31FY20252025-12-31Shape over the periods
Revenue$m100Revenue, FY2021, twelve months to 2021-12-31$100.3m. XBRL concept us-gaap:Revenues. 10-K filed 2022-03-08, accession 0001515156-22-000005.Report this figure103Revenue, FY2022, twelve months to 2022-12-31$103.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2024-03-12, accession 0001515156-24-000036.Report this figure99.2Revenue, FY2023, twelve months to 2023-12-31$99.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2025-03-05, accession 0001515156-25-000014.Report this figure109Revenue, FY2024, twelve months to 2024-12-31$109.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure120Revenue, FY2025, twelve months to 2025-12-31$120.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure
Gross margin%not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)not reported (Gross profit not reported)
Operating margin%4.8%Operating margin, FY2021, twelve months to 2021-12-31. operating income / revenueOperating income: $4.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2023-03-08, accession 0001515156-23-000024.Revenue: $100.3m. XBRL concept us-gaap:Revenues. 10-K filed 2022-03-08, accession 0001515156-22-000005.Report this figure(11.7%)Operating margin, FY2022, twelve months to 2022-12-31. operating income / revenueOperating income: −$12.1m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2024-03-12, accession 0001515156-24-000036.Revenue: $103.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2024-03-12, accession 0001515156-24-000036.Report this figure(13.4%)Operating margin, FY2023, twelve months to 2023-12-31. operating income / revenueOperating income: −$13.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-03-05, accession 0001515156-25-000014.Revenue: $99.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2025-03-05, accession 0001515156-25-000014.Report this figure(1.8%)Operating margin, FY2024, twelve months to 2024-12-31. operating income / revenueOperating income: −$2.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021.Revenue: $109.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure(44.0%)Operating margin, FY2025, twelve months to 2025-12-31. operating income / revenueOperating income: −$53.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021.Revenue: $120.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure
Net margin%60.2%Net margin, FY2021, twelve months to 2021-12-31. net income / revenueNet income: $60.4m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2023-03-08, accession 0001515156-23-000024.Revenue: $100.3m. XBRL concept us-gaap:Revenues. 10-K filed 2022-03-08, accession 0001515156-22-000005.Report this figure(8.7%)Net margin, FY2022, twelve months to 2022-12-31. net income / revenueNet income: −$8.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2024-03-12, accession 0001515156-24-000036.Revenue: $103.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2024-03-12, accession 0001515156-24-000036.Report this figure(12.3%)Net margin, FY2023, twelve months to 2023-12-31. net income / revenueNet income: −$12.2m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-03-05, accession 0001515156-25-000014.Revenue: $99.2m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2025-03-05, accession 0001515156-25-000014.Report this figure(4.7%)Net margin, FY2024, twelve months to 2024-12-31. net income / revenueNet income: −$5.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021.Revenue: $109.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure(43.7%)Net margin, FY2025, twelve months to 2025-12-31. net income / revenueNet income: −$52.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-10, accession 0001515156-26-000021.Revenue: $120.3m. XBRL concept us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure
Diluted EPS$ per share3.27Diluted EPS, FY2021, twelve months to 2021-12-31$3.27 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2023-03-08, accession 0001515156-23-000024.Report this figure(0.48)Diluted EPS, FY2022, twelve months to 2022-12-31−$0.48 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2024-03-12, accession 0001515156-24-000036.Report this figure(0.42)Diluted EPS, FY2023, twelve months to 2023-12-31−$0.42 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2025-03-05, accession 0001515156-25-000014.Report this figure(0.14)Diluted EPS, FY2024, twelve months to 2024-12-31−$0.14 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure(1.27)Diluted EPS, FY2025, twelve months to 2025-12-31−$1.27 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure
Free cash flow$m19.8Free cash flow, FY2021, twelve months to 2021-12-31. operating cash flow − capital expenditureOperating cash flow: $26.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2023-03-08, accession 0001515156-23-000024.Capital expenditure: $6.2m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2023-03-08, accession 0001515156-23-000024.Report this figure(15.0)Free cash flow, FY2022, twelve months to 2022-12-31. operating cash flow − capital expenditureOperating cash flow: −$6.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2024-03-12, accession 0001515156-24-000036.Capital expenditure: $8.9m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2024-03-12, accession 0001515156-24-000036.Report this figure(44.2)Free cash flow, FY2023, twelve months to 2023-12-31. operating cash flow − capital expenditureOperating cash flow: −$16.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-03-05, accession 0001515156-25-000014.Capital expenditure: $27.5m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2025-03-05, accession 0001515156-25-000014.Report this figure(74.7)Free cash flow, FY2024, twelve months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $10.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-10, accession 0001515156-26-000021.Capital expenditure: $85.2m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure(11.3)Free cash flow, FY2025, twelve months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: −$2.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-10, accession 0001515156-26-000021.Capital expenditure: $8.6m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2026-03-10, accession 0001515156-26-000021.Report this figure

Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.

Insider purchases and sales

All insider transactions

The last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.

No open-market purchases or sales by insiders are in coverage from Dec 2024 to Nov 2026.

No open-market purchases or sales by insiders are in coverage for this company.

Funds that report holding it

All funds

From each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.

Funds that report holding Arq, Inc.
FundQuarter endedReported valueSharesPut or callChange on the quarter before
ROYCE & ASSOCIATES LP2026-06-30$4.8m1,862,764Added+114,320
AQR CAPITAL MANAGEMENT LLC2026-06-30$4.6m1,814,114Added+728,404
VANGUARD CAPITAL MANAGEMENT LLC2026-06-30$3.7m1,464,532Added+33,082
MARSHALL WACE, LLP2026-06-30$2.2m880,201Added+70,496
Peapod Lane Capital LLC2026-06-30$2.0m787,880Added+12,531
DIMENSIONAL FUND ADVISORS LP2026-06-30$1.5m607,420Reduced−154,770
RENAISSANCE TECHNOLOGIES LLC2026-06-30$1.5m598,059Added+187,489
JANE STREET GROUP, LLC2026-06-30$1.3m509,225Added+319,335
BlackRock, Inc.2026-06-30$1.3m508,965Reduced−1,588,557
DCF Advisers, LLC2026-06-30$1.2m461,585Added+133,782

Recent filings

All 811 filings

Reports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.

Arq, Inc., recent filings
FiledFormWhat it isAccession number
2026-08-2816:31 ET8-K5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits0001515156-26-000121
2026-08-1016:53 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001515156-26-000116
2026-08-1016:44 ET10-QQuarterly reportPeriod 2026-06-300001515156-26-000114
2026-07-2317:09 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0001515156-26-000097
2026-07-0216:33 ET8-K5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits0001515156-26-000085
2026-06-1816:31 ET8-K5.02 Departure or appointment of officers or directors0001515156-26-000075
2026-06-1116:31 ET8-K5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits0001515156-26-000073
2026-05-2716:32 ET8-K5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits0001515156-26-000069
2026-05-0616:33 ET8-K2.02 Results of operations; 9.01 Financial statements and exhibits0001515156-26-000064
2026-05-0616:30 ET10-QQuarterly reportPeriod 2026-03-310001515156-26-000062

Latest annual report

Form 10-K for the fiscal year ended Dec 31, 2025Filed Mar 10, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.

Forecast league

Q3 FY2026, the quarter ended 2026-09-30, is open for forecasts until the first results filing for it is accepted by EDGAR. Results are due by [object Promise].Forecast this quarter

About the filer

CIK
1515156
Tickers
ARQ
Exchange
Nasdaq
SIC code
2890 Miscellaneous Chemical Products
Sector
Materials
Fiscal year ends
Dec 31
Incorporated in
not reported
Filer category
Accelerated filer<br>Smaller reporting company
Former names
Advanced Emissions Solutions, Inc. (to 2024-01-31)

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:41 ET. Listed shows no prices and gives no investment advice.