Listed

Kaiser Aluminum Corp

KALUNasdaqCIK 811596MaterialsFiscal year ends Dec 31

Standardized line items from XBRL company facts, the last twelve quarters. Negative values are in parentheses. A figure marked d is derived from year-to-date figures.

Income statement

Revenue$1.21bn, Q3 FY2026
Operating income$55.2m, Q3 FY2026
Net income$31.0m, Q3 FY2026
Kaiser Aluminum Corp, income statement, quarterly
Line itemUnitQ4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30Q3 FY20262026-09-30
Revenue$m722Revenue, Q4 FY2023, three months to 2023-12-31$721.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure738Revenue, Q1 FY2024, three months to 2024-03-31$737.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure773Revenue, Q2 FY2024, three months to 2024-06-30$773.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure748Revenue, Q3 FY2024, three months to 2024-09-30$747.7m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure765Revenue, Q4 FY2024, three months to 2024-12-31$765.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure777Revenue, Q1 FY2025, three months to 2025-03-31$777.4m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure823Revenue, Q2 FY2025, three months to 2025-06-30$823.1m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure844Revenue, Q3 FY2025, three months to 2025-09-30$843.5m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure929Revenue, Q4 FY2025, three months to 2025-12-31$929.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure1,107Revenue, Q1 FY2026, three months to 2026-03-31$1.11bn. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure1,257Revenue, Q2 FY2026, three months to 2026-06-30$1.26bn. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure1,215Revenue, Q3 FY2026, three months to 2026-09-30$1.21bn. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Cost of revenue$m614Cost of revenue, Q4 FY2023, three months to 2023-12-31$613.5m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure651Cost of revenue, Q1 FY2024, three months to 2024-03-31$651.3m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure670Cost of revenue, Q2 FY2024, three months to 2024-06-30$669.8m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure676Cost of revenue, Q3 FY2024, three months to 2024-09-30$676.0m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure670Cost of revenue, Q4 FY2024, three months to 2024-12-31$669.5m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure673Cost of revenue, Q1 FY2025, three months to 2025-03-31$673.4m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure723Cost of revenue, Q2 FY2025, three months to 2025-06-30$722.8m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure729Cost of revenue, Q3 FY2025, three months to 2025-09-30$728.8m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure806Cost of revenue, Q4 FY2025, three months to 2025-12-31$805.6m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure943Cost of revenue, Q1 FY2026, three months to 2026-03-31$943.2m. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure1,058Cost of revenue, Q2 FY2026, three months to 2026-06-30$1.06bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure1,099Cost of revenue, Q3 FY2026, three months to 2026-09-30$1.10bn. XBRL concept us-gaap:CostOfGoodsAndServicesSold. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Gross profit$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Operating income$m48.4Operating income, Q4 FY2023, three months to 2023-12-31$48.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure24.3Operating income, Q1 FY2024, three months to 2024-03-31$24.3m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure36.2Operating income, Q2 FY2024, three months to 2024-06-30$36.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure13.2Operating income, Q3 FY2024, three months to 2024-09-30$13.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure38.5Operating income, Q4 FY2024, three months to 2024-12-31$38.5m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure41.4Operating income, Q1 FY2025, three months to 2025-03-31$41.4m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure38.0Operating income, Q2 FY2025, three months to 2025-06-30$38.0m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure48.8Operating income, Q3 FY2025, three months to 2025-09-30$48.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure60.6Operating income, Q4 FY2025, three months to 2025-12-31$60.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure97.8Operating income, Q1 FY2026, three months to 2026-03-31$97.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure134Operating income, Q2 FY2026, three months to 2026-06-30$133.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure55.2Operating income, Q3 FY2026, three months to 2026-09-30$55.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Interest expense$m11.5Interest expense, Q4 FY2023, three months to 2023-12-31$11.5m. XBRL concept us-gaap:InterestExpense. 10-K filed 2024-02-23, accession 0000950170-24-018958. Derived: 12-month figure less the 9-month figure.Report this figure11.5Interest expense, Q1 FY2024, three months to 2024-03-31$11.5m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-04-25, accession 0000950170-24-048441.Report this figure11.1Interest expense, Q2 FY2024, three months to 2024-06-30$11.1m. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-07-26, accession 0000950170-24-086678.Report this figure10.7Interest expense, Q3 FY2024, three months to 2024-09-30$10.7m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure10.4Interest expense, Q4 FY2024, three months to 2024-12-31$10.4m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure11.2Interest expense, Q1 FY2025, three months to 2025-03-31$11.2m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure12.5Interest expense, Q2 FY2025, three months to 2025-06-30$12.5m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure12.4Interest expense, Q3 FY2025, three months to 2025-09-30$12.4m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure14.0Interest expense, Q4 FY2025, three months to 2025-12-31$14.0m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure14.4Interest expense, Q1 FY2026, three months to 2026-03-31$14.4m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure14.5Interest expense, Q2 FY2026, three months to 2026-06-30$14.5m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure14.2Interest expense, Q3 FY2026, three months to 2026-09-30$14.2m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Income tax$m7.2Income tax, Q4 FY2023, three months to 2023-12-31$7.2m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure5.5Income tax, Q1 FY2024, three months to 2024-03-31$5.5m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure5.7Income tax, Q2 FY2024, three months to 2024-06-30$5.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure2.4Income tax, Q3 FY2024, three months to 2024-09-30$2.4m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure8.7Income tax, Q4 FY2024, three months to 2024-12-31$8.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure7.2Income tax, Q1 FY2025, three months to 2025-03-31$7.2m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure6.7Income tax, Q2 FY2025, three months to 2025-06-30$6.7m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure8.3Income tax, Q3 FY2025, three months to 2025-09-30$8.3m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure15.3Income tax, Q4 FY2025, three months to 2025-12-31$15.3m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure19.9Income tax, Q1 FY2026, three months to 2026-03-31$19.9m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure29.5Income tax, Q2 FY2026, three months to 2026-06-30$29.5m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure9.2Income tax, Q3 FY2026, three months to 2026-09-30$9.2m. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Net income$m28.2Net income, Q4 FY2023, three months to 2023-12-31$28.2m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure18.2Net income, Q1 FY2024, three months to 2024-03-31$18.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure18.9Net income, Q2 FY2024, three months to 2024-06-30$18.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure8.8Net income, Q3 FY2024, three months to 2024-09-30$8.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure19.8Net income, Q4 FY2024, three months to 2024-12-31$19.8m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure21.6Net income, Q1 FY2025, three months to 2025-03-31$21.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure23.2Net income, Q2 FY2025, three months to 2025-06-30$23.2m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure39.5Net income, Q3 FY2025, three months to 2025-09-30$39.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure28.2Net income, Q4 FY2025, three months to 2025-12-31$28.2m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure62.5Net income, Q1 FY2026, three months to 2026-03-31$62.5m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure96.8Net income, Q2 FY2026, three months to 2026-06-30$96.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure31.0Net income, Q3 FY2026, three months to 2026-09-30$31.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Diluted EPS$ per sharenot reported1.12Diluted EPS, Q1 FY2024, three months to 2024-03-31$1.12 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure1.15Diluted EPS, Q2 FY2024, three months to 2024-06-30$1.15 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure0.54Diluted EPS, Q3 FY2024, three months to 2024-09-30$0.54 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figurenot reported1.31Diluted EPS, Q1 FY2025, three months to 2025-03-31$1.31 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure1.41Diluted EPS, Q2 FY2025, three months to 2025-06-30$1.41 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure2.38Diluted EPS, Q3 FY2025, three months to 2025-09-30$2.38 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figurenot reported3.71Diluted EPS, Q1 FY2026, three months to 2026-03-31$3.71 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure5.72Diluted EPS, Q2 FY2026, three months to 2026-06-30$5.72 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure1.84Diluted EPS, Q3 FY2026, three months to 2026-09-30$1.84 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Basic EPS$ per sharenot reported1.13Basic EPS, Q1 FY2024, three months to 2024-03-31$1.13 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure1.18Basic EPS, Q2 FY2024, three months to 2024-06-30$1.18 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure0.54Basic EPS, Q3 FY2024, three months to 2024-09-30$0.54 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figurenot reported1.34Basic EPS, Q1 FY2025, three months to 2025-03-31$1.34 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure1.44Basic EPS, Q2 FY2025, three months to 2025-06-30$1.44 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure2.44Basic EPS, Q3 FY2025, three months to 2025-09-30$2.44 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figurenot reported3.85Basic EPS, Q1 FY2026, three months to 2026-03-31$3.85 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure5.92Basic EPS, Q2 FY2026, three months to 2026-06-30$5.92 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure1.90Basic EPS, Q3 FY2026, three months to 2026-09-30$1.90 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure

Balance sheet

Cash and equivalents$117.3m, Q3 FY2026
Long-term debt$1.04bn, Q3 FY2026
Shareholders' equity$975.5m, Q3 FY2026
Kaiser Aluminum Corp, balance sheet, quarterly
Line itemUnitFY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30Q3 FY20262026-09-30
Cash and equivalents$m82.4Cash and equivalents, FY2023, at 2023-12-31$82.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure102Cash and equivalents, Q1 FY2024, at 2024-03-31$101.6m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure70.4Cash and equivalents, Q2 FY2024, at 2024-06-30$70.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure45.7Cash and equivalents, Q3 FY2024, at 2024-09-30$45.7m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure18.4Cash and equivalents, FY2024, at 2024-12-31$18.4m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure21.3Cash and equivalents, Q1 FY2025, at 2025-03-31$21.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure13.1Cash and equivalents, Q2 FY2025, at 2025-06-30$13.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure17.2Cash and equivalents, Q3 FY2025, at 2025-09-30$17.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure7.0Cash and equivalents, FY2025, at 2025-12-31$7.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure30.0Cash and equivalents, Q1 FY2026, at 2026-03-31$30.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure58.5Cash and equivalents, Q2 FY2026, at 2026-06-30$58.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure117Cash and equivalents, Q3 FY2026, at 2026-09-30$117.3m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Current assets$m990Current assets, FY2023, at 2023-12-31$990.2m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-02-20, accession 0000950170-25-024313.Report this figure1,023Current assets, Q1 FY2024, at 2024-03-31$1.02bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-04-25, accession 0000950170-24-048441.Report this figure1,011Current assets, Q2 FY2024, at 2024-06-30$1.01bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-07-26, accession 0000950170-24-086678.Report this figure995Current assets, Q3 FY2024, at 2024-09-30$994.9m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-10-24, accession 0000950170-24-117104.Report this figure1,075Current assets, FY2024, at 2024-12-31$1.07bn. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure1,094Current assets, Q1 FY2025, at 2025-03-31$1.09bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure1,151Current assets, Q2 FY2025, at 2025-06-30$1.15bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure1,244Current assets, Q3 FY2025, at 2025-09-30$1.24bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure1,262Current assets, FY2025, at 2025-12-31$1.26bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure1,487Current assets, Q1 FY2026, at 2026-03-31$1.49bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure1,602Current assets, Q2 FY2026, at 2026-06-30$1.60bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure1,615Current assets, Q3 FY2026, at 2026-09-30$1.62bn. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Total assets$m2,267Total assets, FY2023, at 2023-12-31$2.27bn. XBRL concept us-gaap:Assets. 10-K filed 2025-02-20, accession 0000950170-25-024313.Report this figure2,300Total assets, Q1 FY2024, at 2024-03-31$2.30bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-04-25, accession 0000950170-24-048441.Report this figure2,316Total assets, Q2 FY2024, at 2024-06-30$2.32bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-07-26, accession 0000950170-24-086678.Report this figure2,311Total assets, Q3 FY2024, at 2024-09-30$2.31bn. XBRL concept us-gaap:Assets. 10-Q filed 2024-10-24, accession 0000950170-24-117104.Report this figure2,410Total assets, FY2024, at 2024-12-31$2.41bn. XBRL concept us-gaap:Assets. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure2,440Total assets, Q1 FY2025, at 2025-03-31$2.44bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure2,513Total assets, Q2 FY2025, at 2025-06-30$2.51bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure2,592Total assets, Q3 FY2025, at 2025-09-30$2.59bn. XBRL concept us-gaap:Assets. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure2,565Total assets, FY2025, at 2025-12-31$2.56bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure2,790Total assets, Q1 FY2026, at 2026-03-31$2.79bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure2,910Total assets, Q2 FY2026, at 2026-06-30$2.91bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure2,918Total assets, Q3 FY2026, at 2026-09-30$2.92bn. XBRL concept us-gaap:Assets. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Current liabilities$m370Current liabilities, FY2023, at 2023-12-31$370.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-02-20, accession 0000950170-25-024313.Report this figure385Current liabilities, Q1 FY2024, at 2024-03-31$384.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-04-25, accession 0000950170-24-048441.Report this figure396Current liabilities, Q2 FY2024, at 2024-06-30$396.4m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-07-26, accession 0000950170-24-086678.Report this figure382Current liabilities, Q3 FY2024, at 2024-09-30$382.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-10-24, accession 0000950170-24-117104.Report this figure401Current liabilities, FY2024, at 2024-12-31$400.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure410Current liabilities, Q1 FY2025, at 2025-03-31$410.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure426Current liabilities, Q2 FY2025, at 2025-06-30$426.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure501Current liabilities, Q3 FY2025, at 2025-09-30$500.7m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure427Current liabilities, FY2025, at 2025-12-31$427.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure602Current liabilities, Q1 FY2026, at 2026-03-31$601.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure642Current liabilities, Q2 FY2026, at 2026-06-30$641.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure615Current liabilities, Q3 FY2026, at 2026-09-30$614.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Total liabilities$m1,615Total liabilities, FY2023, at 2023-12-31$1.62bn. XBRL concept us-gaap:Liabilities. 10-K filed 2025-02-20, accession 0000950170-25-024313.Report this figure1,635Total liabilities, Q1 FY2024, at 2024-03-31$1.63bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-04-25, accession 0000950170-24-048441.Report this figure1,654Total liabilities, Q2 FY2024, at 2024-06-30$1.65bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-07-26, accession 0000950170-24-086678.Report this figure1,644Total liabilities, Q3 FY2024, at 2024-09-30$1.64bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-10-24, accession 0000950170-24-117104.Report this figure1,667Total liabilities, FY2024, at 2024-12-31$1.67bn. XBRL concept us-gaap:Liabilities. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure1,683Total liabilities, Q1 FY2025, at 2025-03-31$1.68bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure1,737Total liabilities, Q2 FY2025, at 2025-06-30$1.74bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure1,786Total liabilities, Q3 FY2025, at 2025-09-30$1.79bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure1,739Total liabilities, FY2025, at 2025-12-31$1.74bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure1,913Total liabilities, Q1 FY2026, at 2026-03-31$1.91bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure1,966Total liabilities, Q2 FY2026, at 2026-06-30$1.97bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure1,943Total liabilities, Q3 FY2026, at 2026-09-30$1.94bn. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Long-term debt$m1,040Long-term debt, FY2023, at 2023-12-31$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2025-02-20, accession 0000950170-25-024313.Report this figure1,040Long-term debt, Q1 FY2024, at 2024-03-31$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-04-25, accession 0000950170-24-048441.Report this figure1,041Long-term debt, Q2 FY2024, at 2024-06-30$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-07-26, accession 0000950170-24-086678.Report this figure1,041Long-term debt, Q3 FY2024, at 2024-09-30$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2024-10-24, accession 0000950170-24-117104.Report this figure1,042Long-term debt, FY2024, at 2024-12-31$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure1,042Long-term debt, Q1 FY2025, at 2025-03-31$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure1,075Long-term debt, Q2 FY2025, at 2025-06-30$1.08bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure1,043Long-term debt, Q3 FY2025, at 2025-09-30$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure1,060Long-term debt, FY2025, at 2025-12-31$1.06bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure1,038Long-term debt, Q1 FY2026, at 2026-03-31$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure1,038Long-term debt, Q2 FY2026, at 2026-06-30$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure1,039Long-term debt, Q3 FY2026, at 2026-09-30$1.04bn. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure
Current portion of debt$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Shareholders' equity$m708Shareholders' equity, FY2023, at 2023-12-31$708.4m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-02-19, accession 0001193125-26-059575.Report this figure715Shareholders' equity, Q1 FY2024, at 2024-03-31$714.7m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure728Shareholders' equity, Q2 FY2024, at 2024-06-30$727.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure729Shareholders' equity, Q3 FY2024, at 2024-09-30$729.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure743Shareholders' equity, FY2024, at 2024-12-31$743.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure757Shareholders' equity, Q1 FY2025, at 2025-03-31$756.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure776Shareholders' equity, Q2 FY2025, at 2025-06-30$776.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure806Shareholders' equity, Q3 FY2025, at 2025-09-30$806.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure826Shareholders' equity, FY2025, at 2025-12-31$826.1m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure877Shareholders' equity, Q1 FY2026, at 2026-03-31$877.3m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure944Shareholders' equity, Q2 FY2026, at 2026-06-30$943.8m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure976Shareholders' equity, Q3 FY2026, at 2026-09-30$975.5m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure

Cash flow

Operating cash flow$100.7m, Q3 FY2026
Capital expenditure$28.4m, Q3 FY2026
Kaiser Aluminum Corp, cash flow, quarterly
Line itemUnitQ4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30Q3 FY20262026-09-30
Operating cash flow$m74.3Operating cash flow, Q4 FY2023, three months to 2023-12-31$74.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure63.3Operating cash flow, Q1 FY2024, three months to 2024-03-31$63.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure26.3Operating cash flow, Q2 FY2024, three months to 2024-06-30$26.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-07-24, accession 0000950170-25-098410. Derived: 6-month figure less the 3-month figure.Report this figure34.1Operating cash flow, Q3 FY2024, three months to 2024-09-30$34.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-10-23, accession 0001193125-25-248835. Derived: 9-month figure less the 6-month figure.Report this figure43.4Operating cash flow, Q4 FY2024, three months to 2024-12-31$43.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure57.0Operating cash flow, Q1 FY2025, three months to 2025-03-31$57.0m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure15.9Operating cash flow, Q2 FY2025, three months to 2025-06-30$15.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-23, accession 0001193125-26-314580. Derived: 6-month figure less the 3-month figure.Report this figure59.1Operating cash flow, Q3 FY2025, three months to 2025-09-30$59.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-10-22, accession 0001193125-26-429090. Derived: 9-month figure less the 6-month figure.Report this figure(20.6)Operating cash flow, Q4 FY2025, three months to 2025-12-31−$20.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure87.9Operating cash flow, Q1 FY2026, three months to 2026-03-31$87.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure59.5Operating cash flow, Q2 FY2026, three months to 2026-06-30$59.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-07-23, accession 0001193125-26-314580. Derived: 6-month figure less the 3-month figure.Report this figure101Operating cash flow, Q3 FY2026, three months to 2026-09-30$100.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-10-22, accession 0001193125-26-429090. Derived: 9-month figure less the 6-month figure.Report this figure
Capital expenditure$m23.2Capital expenditure, Q4 FY2023, three months to 2023-12-31$23.2m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure30.0Capital expenditure, Q1 FY2024, three months to 2024-03-31$30.0m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure43.7Capital expenditure, Q2 FY2024, three months to 2024-06-30$43.7m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2025-07-24, accession 0000950170-25-098410. Derived: 6-month figure less the 3-month figure.Report this figure51.1Capital expenditure, Q3 FY2024, three months to 2024-09-30$51.1m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2025-10-23, accession 0001193125-25-248835. Derived: 9-month figure less the 6-month figure.Report this figure56.0Capital expenditure, Q4 FY2024, three months to 2024-12-31$56.0m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure38.2Capital expenditure, Q1 FY2025, three months to 2025-03-31$38.2m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure43.6Capital expenditure, Q2 FY2025, three months to 2025-06-30$43.6m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-07-23, accession 0001193125-26-314580. Derived: 6-month figure less the 3-month figure.Report this figure24.6Capital expenditure, Q3 FY2025, three months to 2025-09-30$24.6m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-10-22, accession 0001193125-26-429090. Derived: 9-month figure less the 6-month figure.Report this figure30.5Capital expenditure, Q4 FY2025, three months to 2025-12-31$30.5m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure19.4Capital expenditure, Q1 FY2026, three months to 2026-03-31$19.4m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure24.4Capital expenditure, Q2 FY2026, three months to 2026-06-30$24.4m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-07-23, accession 0001193125-26-314580. Derived: 6-month figure less the 3-month figure.Report this figure28.4Capital expenditure, Q3 FY2026, three months to 2026-09-30$28.4m. XBRL concept us-gaap:PaymentsToAcquireProductiveAssets. 10-Q filed 2026-10-22, accession 0001193125-26-429090. Derived: 9-month figure less the 6-month figure.Report this figure
Dividends paid$m12.7Dividends paid, Q4 FY2023, three months to 2023-12-31$12.7m. XBRL concept us-gaap:PaymentsOfDividends. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure12.6Dividends paid, Q1 FY2024, three months to 2024-03-31$12.6m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure12.7Dividends paid, Q2 FY2024, three months to 2024-06-30$12.7m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2025-07-24, accession 0000950170-25-098410. Derived: 6-month figure less the 3-month figure.Report this figure12.7Dividends paid, Q3 FY2024, three months to 2024-09-30$12.7m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2025-10-23, accession 0001193125-25-248835. Derived: 9-month figure less the 6-month figure.Report this figure12.7Dividends paid, Q4 FY2024, three months to 2024-12-31$12.7m. XBRL concept us-gaap:PaymentsOfDividends. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure12.9Dividends paid, Q1 FY2025, three months to 2025-03-31$12.9m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure12.8Dividends paid, Q2 FY2025, three months to 2025-06-30$12.8m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2026-07-23, accession 0001193125-26-314580. Derived: 6-month figure less the 3-month figure.Report this figure12.8Dividends paid, Q3 FY2025, three months to 2025-09-30$12.8m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2026-10-22, accession 0001193125-26-429090. Derived: 9-month figure less the 6-month figure.Report this figure12.8Dividends paid, Q4 FY2025, three months to 2025-12-31$12.8m. XBRL concept us-gaap:PaymentsOfDividends. 10-K filed 2026-02-19, accession 0001193125-26-059575. Derived: 12-month figure less the 9-month figure.Report this figure13.6Dividends paid, Q1 FY2026, three months to 2026-03-31$13.6m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure12.8Dividends paid, Q2 FY2026, three months to 2026-06-30$12.8m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2026-07-23, accession 0001193125-26-314580. Derived: 6-month figure less the 3-month figure.Report this figure12.8Dividends paid, Q3 FY2026, three months to 2026-09-30$12.8m. XBRL concept us-gaap:PaymentsOfDividends. 10-Q filed 2026-10-22, accession 0001193125-26-429090. Derived: 9-month figure less the 6-month figure.Report this figure
Share repurchases$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported

Shares

Diluted shares (weighted)16.89m, Q3 FY2026
Kaiser Aluminum Corp, shares, quarterly
Line itemUnitQ1 FY20232023-03-31Q2 FY20232023-06-30Q3 FY20232023-09-30Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q1 FY20262026-03-31Q2 FY20262026-06-30Q3 FY20262026-09-30
Diluted shares (weighted)m shares16.1Diluted shares (weighted), Q1 FY2023, three months to 2023-03-3116,096,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-04-25, accession 0000950170-24-048441.Report this figure16.1Diluted shares (weighted), Q2 FY2023, three months to 2023-06-3016,083,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-07-26, accession 0000950170-24-086678.Report this figure16.2Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3016,154,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-10-24, accession 0000950170-24-117104.Report this figure16.2Diluted shares (weighted), Q1 FY2024, three months to 2024-03-3116,230,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-04-24, accession 0000950170-25-058170.Report this figure16.4Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3016,398,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-07-24, accession 0000950170-25-098410.Report this figure16.3Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3016,335,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-10-23, accession 0001193125-25-248835.Report this figure16.4Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3116,399,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure16.5Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3016,479,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure16.6Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3016,612,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure16.8Diluted shares (weighted), Q1 FY2026, three months to 2026-03-3116,844,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-04-23, accession 0001193125-26-173882.Report this figure16.9Diluted shares (weighted), Q2 FY2026, three months to 2026-06-3016,918,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-07-23, accession 0001193125-26-314580.Report this figure16.9Diluted shares (weighted), Q3 FY2026, three months to 2026-09-3016,886,000 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure

Shares outstanding: 16.35mShares outstanding, period not labelled, at 2026-10-1916,349,886 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-10-22, accession 0001193125-26-429090.Report this figure at Oct 19, 2026, from the cover of the 10-Q filed Oct 22, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:25 ET. Listed shows no prices and gives no investment advice.