15 years of revenue, profit, cash flow and balance-sheet history through FY2025,
from SEC filings — with a computed, factual read of the trend.
Updated Overview →
Growth & profitability
Revenue has declined 68.9% per year over the past 5 years.
Financial health
The company holds more cash ($44M) than total debt ($34M).
Total debt has grown faster than revenue (79.7% vs -68.9% per year).
Operating income covered interest expense -57.8× in the latest year.
The company is unprofitable and has less than a year of cash runway at its current free-cash-flow burn.
Revenue & net income
RevenueNet income
Margins (gross / operating / net)
GrossOperatingNet
Free cash flow (CFO − capex)
Free cash flow
Cash vs total debt
CashTotal debt
Cash flow: operating / investing / financing
OperatingInvestingFinancing
Key annual figures
FY
Revenue
Net income
Gross M
Op M
FCF
Total debt
Cash
2025
$41000
-$88M
0.0%
-230461.0%
-$68M
$34M
$44M
2024
$20000
-$95M
0.0%
-515860.0%
—
—
$37M
2023
$426000
-$88M
0.0%
-22518.5%
-$76M
—
$135M
2022
-$68000
-$85M
0.0%
129029.4%
-$63M
$5M
$111M
2021
$4M
-$97M
0.0%
-2197.6%
-$90M
$1M
$190M
2020
—
-$49M
—
—
-$35M
$2M
$116M
2019
—
-$21M
—
—
-$10M
$2M
$9M
2018
—
-$39M
—
—
-$10M
$572770
$34M
2017
—
-$46M
—
—
-$20M
$599927
$9M
2016
—
-$11M
—
—
—
$525950
$3M
2015
—
-$3M
—
—
—
—
$16M
2014
—
-$10M
—
—
—
—
$19M
2013
—
-$12M
—
—
—
$3M
$10M
2012
—
-$5M
—
—
—
$4M
$13M
2011
$24M
-$4M
0.0%
-48.3%
-$8M
—
$11M
Revenue & net income
RevenueNet income
Margins (gross / operating / net)
GrossOperatingNet
Free cash flow (CFO − capex, quarterly)
Free cash flow
Cash vs total debt
CashTotal debt
Cash flow: operating / investing / financing
OperatingInvestingFinancing
Key quarterly figures
Quarter
Revenue
Net income
Gross M
Op M
FCF
Total debt
Cash
Mar '26
—
-$23M
—
—
-$21M
$35M
$98M
Dec '25
$26000
-$27M
0.0%
-111126.9%
-$19M
$34M
$44M
Sep '25
$5000
-$19M
0.0%
-417180.0%
-$12M
$14M
$61M
Jun '25
$5000
-$22M
0.0%
-458440.0%
—
$14M
$183M
Mar '25
$5000
-$20M
0.0%
-436300.0%
—
—
$49M
Dec '24
$5000
-$23M
0.0%
-497320.0%
—
—
$37M
Sep '24
$5000
-$23M
0.0%
-495340.0%
—
—
$31M
Jun '24
$5000
-$25M
0.0%
-534900.0%
—
—
$57M
Mar '24
$5000
-$24M
0.0%
-535880.0%
—
—
$79M
Dec '23
$37000
-$32M
0.0%
-90873.0%
-$17M
—
$135M
Sep '23
$362000
-$21M
0.0%
-6226.5%
-$20M
$4M
$87M
Jun '23
$6000
-$16M
0.0%
-300116.7%
-$19M
$4M
$102M
Mar '23
$21000
-$20M
0.0%
-103614.3%
-$19M
$4M
$105M
Dec '22
-$110000
-$22M
0.0%
20994.5%
-$17M
$5M
$111M
Sep '22
$2000
-$24M
0.0%
-1237600.0%
-$15M
$5M
$127M
Jun '22
$8000
-$20M
0.0%
-254937.5%
-$17M
$2M
$136M
Mar '22
$32000
-$19M
0.0%
-60934.4%
-$14M
$2M
$180M
Dec '21
—
-$24M
—
—
-$22M
$1M
$190M
Sep '21
—
-$34M
—
—
-$18M
$2M
$175M
Jun '21
—
-$25M
—
—
-$27M
$2M
$174M
Valuation over time
How the market has priced ALT against its own fundamentals since 2023-03 —
each month-end's share price set against the most recent annual filing, so the multiple moves
as price runs ahead of (or behind) earnings. Split-adjusted.
The price-to-sales ratio has risen from 4318.6× (Jan '24) to 13565.8× (Jun '26).
Price / sales (P/S)
P/S
Frequently asked questions
Is ALT growing its revenue and profit?
Over the past 5 years, Altimmune, Inc.'s revenue has declined 68.9% per year. These are computed facts, not advice.
How much debt does ALT have?
As of FY2025, Altimmune, Inc. reported $34M of total debt against $44M of cash; operating income covered interest expense -57.8×.
What is ALT's profit margin?
In FY2025, gross margin was —, operating margin -230461.0%, and net margin -214861.0%.
Where does this data come from?
All figures are extracted from the company’s SEC EDGAR/XBRL filings — 10-K annual reports and 10-Q quarterly reports (use the Annual / Quarterly toggle). Quarterly figures are derived from the as-filed statements (year-to-date amounts are differenced into discrete quarters). Growth rates and ratios are computed by tradmap; nothing here is investment advice.
Source: SEC EDGAR / XBRL (10-K + 10-Q filings) · prices EOD (Databento), corporate-action-adjusted ·
growth rates, valuation multiples & ratios computed by tradmap. Valuation uses each month-end price
against the latest annual filing. Informational only — not investment advice.