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Altimmune ALT Operating Cash Flow

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Other financials

Income statement

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Revenue$26.0K+420%
Operating income-$24.2M-11.1%
Net income-$22.6M-15.3%
EPS (diluted)-$0.18+30.8%

Balance sheet

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Cash & equivalents$97.6M+98.7%
Total debt$34.8M+14,092%
Total equity$284.0M+99.8%
Total assets$335.6M+113%

Cash flow

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CapEx$21.0K
Free cash flow-$21.0M

Valuation

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Market cap$598.98M+116%
Enterprise value$536.11M+402%

Profitability

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Operating margin-230,461%-82,087pp
Net margin-214,861%-76,057pp
FCF margin-17,806.8%-110,030pp

Returns & leverage

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Return on equity-42.7%-8.7pp
Debt / equity0.1×+0.1×
Current ratio29.6×+13.7×

Where this comes from

Reported directly by Altimmune in its filing.

Tagged under the XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities.

The source filing: Altimmune’s 10-Q, filed May 13, 2026.

Filed
May 13, 2026, 4:13 PM EDT
Fiscal quarter
Q1 FY2026
Calendar quarter
Q1 2026
Accession
0001326190-26-000040
Line itemThree Months Ended / March 31, 2026Three Months Ended / March 31, 2025
Accounts payable(1,187)866
Accrued expenses and other liabilities(2,493)(1,699)
Income tax and R&D incentive receivables5181,297
Net cash used in operating activities(20,942)(16,840)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sales and maturities of short-term investments39,62238,040
Purchases of short-term investments(43,291)(43,141)
Purchases of property and equipment(21)

Item 1. Financial Statements

FAQ

What is Altimmune's operating cash flow?
Altimmune (ALT) reported operating cash flow of -$20.94M in Q1 2026.
How has Altimmune's operating cash flow changed year-over-year?
Altimmune's operating cash flow decreased by 24.4% year-over-year, from -$16.84M to -$20.94M.
What is the long-term trend for Altimmune's operating cash flow?
Over 4 years (2021 to 2025), Altimmune's operating cash flow has grown at a -3.6% compound annual growth rate (CAGR), from -$78.24M to -$67.54M.
What does operating cash flow mean?
Total cash generated by or used in core business operations — the single most important cash flow metric for assessing business health.

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