Listed

Altimmune, Inc.

ALTNasdaqCIK 1326190HealthcareFiscal 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$26.0k, Q4 FY2025
Operating income−$26.2m, Q2 FY2026
Net income−$22.8m, Q2 FY2026
Altimmune, Inc., income statement, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Revenue$m0.4Revenue, Q3 FY2023, three months to 2023-09-30$362.0k. XBRL concept us-gaap:Revenues. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure0.0Revenue, Q4 FY2023, three months to 2023-12-31$37.0k. XBRL concept us-gaap:Revenues. 10-K filed 2025-02-27, accession 0001326190-25-000015. Derived: 12-month figure less the 9-month figure.Report this figure0.0Revenue, Q1 FY2024, three months to 2024-03-31$5.0k. XBRL concept us-gaap:Revenues. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure0.0Revenue, Q2 FY2024, three months to 2024-06-30$5.0k. XBRL concept us-gaap:Revenues. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure0.0Revenue, Q3 FY2024, three months to 2024-09-30$5.0k. XBRL concept us-gaap:Revenues. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure0.0Revenue, Q4 FY2024, three months to 2024-12-31$5.0k. XBRL concept us-gaap:Revenues. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure0.0Revenue, Q1 FY2025, three months to 2025-03-31$5.0k. XBRL concept us-gaap:Revenues. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure0.0Revenue, Q2 FY2025, three months to 2025-06-30$5.0k. XBRL concept us-gaap:Revenues. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure0.0Revenue, Q3 FY2025, three months to 2025-09-30$5.0k. XBRL concept us-gaap:Revenues. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure0.0Revenue, Q4 FY2025, three months to 2025-12-31$26.0k. XBRL concept us-gaap:Revenues. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reported
Research and development$m18.4Research and development, Q3 FY2023, three months to 2023-09-30$18.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure16.9Research and development, Q4 FY2023, three months to 2023-12-31$16.9m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2025-02-27, accession 0001326190-25-000015. Derived: 12-month figure less the 9-month figure.Report this figure21.5Research and development, Q1 FY2024, three months to 2024-03-31$21.5m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure21.2Research and development, Q2 FY2024, three months to 2024-06-30$21.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure19.8Research and development, Q3 FY2024, three months to 2024-09-30$19.8m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure19.8Research and development, Q4 FY2024, three months to 2024-12-31$19.8m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure15.8Research and development, Q1 FY2025, three months to 2025-03-31$15.8m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure17.2Research and development, Q2 FY2025, three months to 2025-06-30$17.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure15.0Research and development, Q3 FY2025, three months to 2025-09-30$15.0m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure18.4Research and development, Q4 FY2025, three months to 2025-12-31$18.4m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure16.2Research and development, Q1 FY2026, three months to 2026-03-31$16.2m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure18.7Research and development, Q2 FY2026, three months to 2026-06-30$18.7m. XBRL concept us-gaap:ResearchAndDevelopmentExpense. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Operating income$m(22.5)Operating income, Q3 FY2023, three months to 2023-09-30−$22.5m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure(33.6)Operating income, Q4 FY2023, three months to 2023-12-31−$33.6m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2025-02-27, accession 0001326190-25-000015. Derived: 12-month figure less the 9-month figure.Report this figure(26.8)Operating income, Q1 FY2024, three months to 2024-03-31−$26.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure(26.7)Operating income, Q2 FY2024, three months to 2024-06-30−$26.7m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure(24.8)Operating income, Q3 FY2024, three months to 2024-09-30−$24.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure(24.9)Operating income, Q4 FY2024, three months to 2024-12-31−$24.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure(21.8)Operating income, Q1 FY2025, three months to 2025-03-31−$21.8m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(22.9)Operating income, Q2 FY2025, three months to 2025-06-30−$22.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure(20.9)Operating income, Q3 FY2025, three months to 2025-09-30−$20.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure(28.9)Operating income, Q4 FY2025, three months to 2025-12-31−$28.9m. XBRL concept us-gaap:OperatingIncomeLoss. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure(24.2)Operating income, Q1 FY2026, three months to 2026-03-31−$24.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(26.2)Operating income, Q2 FY2026, three months to 2026-06-30−$26.2m. XBRL concept us-gaap:OperatingIncomeLoss. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Interest expense$m0.0Interest expense, Q3 FY2023, three months to 2023-09-30$29.0k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figure0.0Interest expense, Q4 FY2023, three months to 2023-12-31$2.0k. XBRL concept us-gaap:InterestExpense. 10-K filed 2024-03-27, accession 0001326190-24-000010. Derived: 12-month figure less the 9-month figure.Report this figure0.0Interest expense, Q1 FY2024, three months to 2024-03-31$1.0k. XBRL concept us-gaap:InterestExpense. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure0.0Interest expense, Q2 FY2024, three months to 2024-06-30$1.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure0.0Interest expense, Q3 FY2024, three months to 2024-09-30$6.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure0.0Interest expense, Q4 FY2024, three months to 2024-12-31$1.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure0.0Interest expense, Q1 FY2025, three months to 2025-03-31$1.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure0.3Interest expense, Q2 FY2025, three months to 2025-06-30$264.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure0.5Interest expense, Q3 FY2025, three months to 2025-09-30$495.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure0.9Interest expense, Q4 FY2025, three months to 2025-12-31$876.0k. XBRL concept us-gaap:InterestExpenseNonoperating. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure1.1Interest expense, Q1 FY2026, three months to 2026-03-31$1.1m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure1.1Interest expense, Q2 FY2026, three months to 2026-06-30$1.1m. XBRL concept us-gaap:InterestExpenseNonoperating. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Income tax$m0.0Income tax, Q3 FY2023, three months to 2023-09-30$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figurenot reported0.0Income tax, Q1 FY2024, three months to 2024-03-31$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure0.0Income tax, Q2 FY2024, three months to 2024-06-30$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-08-08, accession 0001326190-24-000030.Report this figure0.0Income tax, Q3 FY2024, three months to 2024-09-30$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figurenot reported(0.7)Income tax, Q1 FY2025, three months to 2025-03-31−$681.0k. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure0.0Income tax, Q2 FY2025, three months to 2025-06-30$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2026-08-12, accession 0001326190-26-000052. Derived: 6-month figure less the 3-month figure.Report this figure0.0Income tax, Q3 FY2025, three months to 2025-09-30$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-Q filed 2025-11-06, accession 0001326190-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure0.0Income tax, Q4 FY2025, three months to 2025-12-31$0. XBRL concept us-gaap:IncomeTaxExpenseBenefit. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reported
Net income$m(20.7)Net income, Q3 FY2023, three months to 2023-09-30−$20.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure(31.6)Net income, Q4 FY2023, three months to 2023-12-31−$31.6m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2025-02-27, accession 0001326190-25-000015. Derived: 12-month figure less the 9-month figure.Report this figure(24.4)Net income, Q1 FY2024, three months to 2024-03-31−$24.4m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure(24.6)Net income, Q2 FY2024, three months to 2024-06-30−$24.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure(22.8)Net income, Q3 FY2024, three months to 2024-09-30−$22.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure(23.2)Net income, Q4 FY2024, three months to 2024-12-31−$23.2m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure(19.6)Net income, Q1 FY2025, three months to 2025-03-31−$19.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure(22.1)Net income, Q2 FY2025, three months to 2025-06-30−$22.1m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure(19.0)Net income, Q3 FY2025, three months to 2025-09-30−$19.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure(27.4)Net income, Q4 FY2025, three months to 2025-12-31−$27.4m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure(22.6)Net income, Q1 FY2026, three months to 2026-03-31−$22.6m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure(22.8)Net income, Q2 FY2026, three months to 2026-06-30−$22.8m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Diluted EPS$ per share(0.39)Diluted EPS, Q3 FY2023, three months to 2023-09-30−$0.39 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figurenot reported(0.34)Diluted EPS, Q1 FY2024, three months to 2024-03-31−$0.34 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure(0.35)Diluted EPS, Q2 FY2024, three months to 2024-06-30−$0.35 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure(0.32)Diluted EPS, Q3 FY2024, three months to 2024-09-30−$0.32 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figurenot reported(0.26)Diluted EPS, Q1 FY2025, three months to 2025-03-31−$0.26 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(0.27)Diluted EPS, Q2 FY2025, three months to 2025-06-30−$0.27 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure(0.21)Diluted EPS, Q3 FY2025, three months to 2025-09-30−$0.21 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figurenot reported(0.18)Diluted EPS, Q1 FY2026, three months to 2026-03-31−$0.18 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(0.12)Diluted EPS, Q2 FY2026, three months to 2026-06-30−$0.12 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Basic EPS$ per share(0.39)Basic EPS, Q3 FY2023, three months to 2023-09-30−$0.39 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figurenot reported(0.34)Basic EPS, Q1 FY2024, three months to 2024-03-31−$0.34 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure(0.35)Basic EPS, Q2 FY2024, three months to 2024-06-30−$0.35 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure(0.32)Basic EPS, Q3 FY2024, three months to 2024-09-30−$0.32 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figurenot reported(0.26)Basic EPS, Q1 FY2025, three months to 2025-03-31−$0.26 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(0.27)Basic EPS, Q2 FY2025, three months to 2025-06-30−$0.27 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure(0.21)Basic EPS, Q3 FY2025, three months to 2025-09-30−$0.21 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figurenot reported(0.18)Basic EPS, Q1 FY2026, three months to 2026-03-31−$0.18 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(0.12)Basic EPS, Q2 FY2026, three months to 2026-06-30−$0.12 per share. XBRL concept us-gaap:EarningsPerShareBasic. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure

Balance sheet

Cash and equivalents$63.0m, Q2 FY2026
Long-term debt$34.7m, Q2 FY2026
Shareholders' equity$474.2m, Q2 FY2026
Altimmune, Inc., balance sheet, quarterly
Line itemUnitQ3 FY20232023-09-30FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Cash and equivalents$m86.9Cash and equivalents, Q3 FY2023, at 2023-09-30$86.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figure135Cash and equivalents, FY2023, at 2023-12-31$135.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2025-02-27, accession 0001326190-25-000015.Report this figure79.0Cash and equivalents, Q1 FY2024, at 2024-03-31$79.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure57.1Cash and equivalents, Q2 FY2024, at 2024-06-30$57.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-08-08, accession 0001326190-24-000030.Report this figure31.5Cash and equivalents, Q3 FY2024, at 2024-09-30$31.5m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure36.9Cash and equivalents, FY2024, at 2024-12-31$36.9m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-K filed 2026-03-06, accession 0001326190-26-000018.Report this figure49.1Cash and equivalents, Q1 FY2025, at 2025-03-31$49.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure183Cash and equivalents, Q2 FY2025, at 2025-06-30$183.1m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure61.2Cash and equivalents, Q3 FY2025, at 2025-09-30$61.2m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure43.8Cash and equivalents, FY2025, at 2025-12-31$43.8m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure97.6Cash and equivalents, Q1 FY2026, at 2026-03-31$97.6m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure63.0Cash and equivalents, Q2 FY2026, at 2026-06-30$63.0m. XBRL concept us-gaap:CashAndCashEquivalentsAtCarryingValue. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Current assets$m153Current assets, Q3 FY2023, at 2023-09-30$153.0m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figure210Current assets, FY2023, at 2023-12-31$209.6m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2025-02-27, accession 0001326190-25-000015.Report this figure188Current assets, Q1 FY2024, at 2024-03-31$187.5m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure171Current assets, Q2 FY2024, at 2024-06-30$171.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-08-08, accession 0001326190-24-000030.Report this figure146Current assets, Q3 FY2024, at 2024-09-30$145.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure137Current assets, FY2024, at 2024-12-31$137.3m. XBRL concept us-gaap:AssetsCurrent. 10-K filed 2026-03-06, accession 0001326190-26-000018.Report this figure155Current assets, Q1 FY2025, at 2025-03-31$155.3m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure188Current assets, Q2 FY2025, at 2025-06-30$188.4m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure217Current assets, Q3 FY2025, at 2025-09-30$216.6m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure278Current assets, FY2025, at 2025-12-31$278.2m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure335Current assets, Q1 FY2026, at 2026-03-31$334.7m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure335Current assets, Q2 FY2026, at 2026-06-30$334.8m. XBRL concept us-gaap:AssetsCurrent. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Total assets$m167Total assets, Q3 FY2023, at 2023-09-30$166.6m. XBRL concept us-gaap:Assets. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figure211Total assets, FY2023, at 2023-12-31$210.6m. XBRL concept us-gaap:Assets. 10-K filed 2025-02-27, accession 0001326190-25-000015.Report this figure188Total assets, Q1 FY2024, at 2024-03-31$188.4m. XBRL concept us-gaap:Assets. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure173Total assets, Q2 FY2024, at 2024-06-30$173.3m. XBRL concept us-gaap:Assets. 10-Q filed 2024-08-08, accession 0001326190-24-000030.Report this figure148Total assets, Q3 FY2024, at 2024-09-30$147.9m. XBRL concept us-gaap:Assets. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure139Total assets, FY2024, at 2024-12-31$139.3m. XBRL concept us-gaap:Assets. 10-K filed 2026-03-06, accession 0001326190-26-000018.Report this figure157Total assets, Q1 FY2025, at 2025-03-31$157.3m. XBRL concept us-gaap:Assets. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure190Total assets, Q2 FY2025, at 2025-06-30$190.3m. XBRL concept us-gaap:Assets. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure218Total assets, Q3 FY2025, at 2025-09-30$218.4m. XBRL concept us-gaap:Assets. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure280Total assets, FY2025, at 2025-12-31$279.9m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure336Total assets, Q1 FY2026, at 2026-03-31$335.6m. XBRL concept us-gaap:Assets. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure527Total assets, Q2 FY2026, at 2026-06-30$527.2m. XBRL concept us-gaap:Assets. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Current liabilities$m11.9Current liabilities, Q3 FY2023, at 2023-09-30$11.9m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figure12.1Current liabilities, FY2023, at 2023-12-31$12.1m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2025-02-27, accession 0001326190-25-000015.Report this figure11.3Current liabilities, Q1 FY2024, at 2024-03-31$11.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure15.2Current liabilities, Q2 FY2024, at 2024-06-30$15.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-08-08, accession 0001326190-24-000030.Report this figure8.6Current liabilities, Q3 FY2024, at 2024-09-30$8.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure10.5Current liabilities, FY2024, at 2024-12-31$10.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-K filed 2026-03-06, accession 0001326190-26-000018.Report this figure9.8Current liabilities, Q1 FY2025, at 2025-03-31$9.8m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure9.2Current liabilities, Q2 FY2025, at 2025-06-30$9.2m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure12.6Current liabilities, Q3 FY2025, at 2025-09-30$12.6m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure15.0Current liabilities, FY2025, at 2025-12-31$15.0m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure11.3Current liabilities, Q1 FY2026, at 2026-03-31$11.3m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure12.5Current liabilities, Q2 FY2026, at 2026-06-30$12.5m. XBRL concept us-gaap:LiabilitiesCurrent. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Total liabilities$m16.2Total liabilities, Q3 FY2023, at 2023-09-30$16.2m. XBRL concept us-gaap:Liabilities. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figure16.5Total liabilities, FY2023, at 2023-12-31$16.5m. XBRL concept us-gaap:Liabilities. 10-K filed 2025-02-27, accession 0001326190-25-000015.Report this figure15.4Total liabilities, Q1 FY2024, at 2024-03-31$15.4m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure20.8Total liabilities, Q2 FY2024, at 2024-06-30$20.8m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-08-08, accession 0001326190-24-000030.Report this figure14.5Total liabilities, Q3 FY2024, at 2024-09-30$14.5m. XBRL concept us-gaap:Liabilities. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure15.8Total liabilities, FY2024, at 2024-12-31$15.8m. XBRL concept us-gaap:Liabilities. 10-K filed 2026-03-06, accession 0001326190-26-000018.Report this figure15.1Total liabilities, Q1 FY2025, at 2025-03-31$15.1m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure29.0Total liabilities, Q2 FY2025, at 2025-06-30$29.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure32.8Total liabilities, Q3 FY2025, at 2025-09-30$32.8m. XBRL concept us-gaap:Liabilities. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure55.0Total liabilities, FY2025, at 2025-12-31$55.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure51.6Total liabilities, Q1 FY2026, at 2026-03-31$51.6m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure53.0Total liabilities, Q2 FY2026, at 2026-06-30$53.0m. XBRL concept us-gaap:Liabilities. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Long-term debt$m4.3Long-term debt, Q3 FY2023, at 2023-09-30$4.3m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figurenot reportednot reportednot reportednot reportednot reportednot reported14.3Long-term debt, Q2 FY2025, at 2025-06-30$14.3m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure14.4Long-term debt, Q3 FY2025, at 2025-09-30$14.4m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure34.3Long-term debt, FY2025, at 2025-12-31$34.3m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure34.5Long-term debt, Q1 FY2026, at 2026-03-31$34.5m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure34.7Long-term debt, Q2 FY2026, at 2026-06-30$34.7m. XBRL concept us-gaap:LongTermDebtNoncurrent. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure
Current portion of debt$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Short-term borrowings$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported
Shareholders' equity$m150Shareholders' equity, Q3 FY2023, at 2023-09-30$150.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure194Shareholders' equity, FY2023, at 2023-12-31$194.1m. XBRL concept us-gaap:StockholdersEquity. 10-K filed 2026-03-06, accession 0001326190-26-000018.Report this figure173Shareholders' equity, Q1 FY2024, at 2024-03-31$172.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure153Shareholders' equity, Q2 FY2024, at 2024-06-30$152.5m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure133Shareholders' equity, Q3 FY2024, at 2024-09-30$133.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure124Shareholders' equity, FY2024, at 2024-12-31$123.5m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure142Shareholders' equity, Q1 FY2025, at 2025-03-31$142.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure161Shareholders' equity, Q2 FY2025, at 2025-06-30$161.4m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure186Shareholders' equity, Q3 FY2025, at 2025-09-30$185.6m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure225Shareholders' equity, FY2025, at 2025-12-31$224.9m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure284Shareholders' equity, Q1 FY2026, at 2026-03-31$284.0m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure474Shareholders' equity, Q2 FY2026, at 2026-06-30$474.2m. XBRL concept us-gaap:StockholdersEquity. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure

Cash flow

Operating cash flow−$24.2m, Q2 FY2026
Capital expenditure$32.0k, Q2 FY2026
Altimmune, Inc., cash flow, quarterly
Line itemUnitQ3 FY20232023-09-30Q4 FY20232023-12-31Q1 FY20242024-03-31Q2 FY20242024-06-30Q3 FY20242024-09-30Q4 FY20242024-12-31Q1 FY20252025-03-31Q2 FY20252025-06-30Q3 FY20252025-09-30Q4 FY20252025-12-31Q1 FY20262026-03-31Q2 FY20262026-06-30
Operating cash flow$m(20.5)Operating cash flow, Q3 FY2023, three months to 2023-09-30−$20.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2024-11-12, accession 0001326190-24-000050. Derived: 9-month figure less the 6-month figure.Report this figure(16.5)Operating cash flow, Q4 FY2023, three months to 2023-12-31−$16.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2025-02-27, accession 0001326190-25-000015. Derived: 12-month figure less the 9-month figure.Report this figure(16.4)Operating cash flow, Q1 FY2024, three months to 2024-03-31−$16.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure(18.1)Operating cash flow, Q2 FY2024, three months to 2024-06-30−$18.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-08-12, accession 0001326190-25-000040. Derived: 6-month figure less the 3-month figure.Report this figure(27.1)Operating cash flow, Q3 FY2024, three months to 2024-09-30−$27.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-06, accession 0001326190-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure(18.3)Operating cash flow, Q4 FY2024, three months to 2024-12-31−$18.3m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure(16.8)Operating cash flow, Q1 FY2025, three months to 2025-03-31−$16.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(19.4)Operating cash flow, Q2 FY2025, three months to 2025-06-30−$19.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-12, accession 0001326190-26-000052. Derived: 6-month figure less the 3-month figure.Report this figure(11.9)Operating cash flow, Q3 FY2025, three months to 2025-09-30−$11.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-06, accession 0001326190-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure(19.4)Operating cash flow, Q4 FY2025, three months to 2025-12-31−$19.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure(20.9)Operating cash flow, Q1 FY2026, three months to 2026-03-31−$20.9m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure(24.2)Operating cash flow, Q2 FY2026, three months to 2026-06-30−$24.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-12, accession 0001326190-26-000052. Derived: 6-month figure less the 3-month figure.Report this figure
Capital expenditure$m0.0Capital expenditure, Q3 FY2023, three months to 2023-09-30$0. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2024-11-12, accession 0001326190-24-000050. Derived: 9-month figure less the 6-month figure.Report this figure0.0Capital expenditure, Q4 FY2023, three months to 2023-12-31$0. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2025-02-27, accession 0001326190-25-000015. Derived: 12-month figure less the 9-month figure.Report this figurenot reportednot reportednot reportednot reportednot reportednot reported0.0Capital expenditure, Q3 FY2025, three months to 2025-09-30$0. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-06, accession 0001326190-25-000064. Derived: 9-month figure less the 6-month figure.Report this figure0.0Capital expenditure, Q4 FY2025, three months to 2025-12-31$1.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-06, accession 0001326190-26-000018. Derived: 12-month figure less the 9-month figure.Report this figure0.0Capital expenditure, Q1 FY2026, three months to 2026-03-31$21.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure0.0Capital expenditure, Q2 FY2026, three months to 2026-06-30$32.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-12, accession 0001326190-26-000052. Derived: 6-month figure less the 3-month figure.Report this figure
Dividends paid$mnot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reportednot reported

Shares

Diluted shares (weighted)185.44m, Q2 FY2026
Altimmune, Inc., shares, quarterly
Line itemUnitQ3 FY20222022-09-30Q1 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 FY20262026-06-30
Diluted shares (weighted)m shares49.3Diluted shares (weighted), Q3 FY2022, three months to 2022-09-3049,286,535 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2023-11-07, accession 0001326190-23-000047.Report this figure50.1Diluted shares (weighted), Q1 FY2023, three months to 2023-03-3150,125,685 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-05-09, accession 0001326190-24-000019.Report this figure50.7Diluted shares (weighted), Q2 FY2023, three months to 2023-06-3050,691,558 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-08-08, accession 0001326190-24-000030.Report this figure53.6Diluted shares (weighted), Q3 FY2023, three months to 2023-09-3053,633,354 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2024-11-12, accession 0001326190-24-000050.Report this figure70.8Diluted shares (weighted), Q1 FY2024, three months to 2024-03-3170,801,713 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-05-13, accession 0001326190-25-000034.Report this figure70.9Diluted shares (weighted), Q2 FY2024, three months to 2024-06-3070,924,371 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-08-12, accession 0001326190-25-000040.Report this figure71.1Diluted shares (weighted), Q3 FY2024, three months to 2024-09-3071,084,787 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure75.5Diluted shares (weighted), Q1 FY2025, three months to 2025-03-3175,547,746 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure81.5Diluted shares (weighted), Q2 FY2025, three months to 2025-06-3081,477,548 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure89.4Diluted shares (weighted), Q3 FY2025, three months to 2025-09-3089,418,028 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2025-11-06, accession 0001326190-25-000064.Report this figure124Diluted shares (weighted), Q1 FY2026, three months to 2026-03-31124,461,818 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-05-13, accession 0001326190-26-000040.Report this figure185Diluted shares (weighted), Q2 FY2026, three months to 2026-06-30185,443,736 shares. XBRL concept us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure

Shares outstanding: 194.52mShares outstanding, period not labelled, at 2026-08-07194,517,701 shares. XBRL concept dei:EntityCommonStockSharesOutstanding. 10-Q filed 2026-08-12, accession 0001326190-26-000052.Report this figure at Aug 7, 2026, from the cover of the 10-Q filed Aug 12, 2026.

Source: SEC EDGAR, XBRL company facts. Last ingested by Listed: Oct 24, 2026, 15:37 ET. Listed shows no prices and gives no investment advice.