State Ledger
Company profile

Altimmune, Inc. CIK 1326190

Ticker
ALT (Nasdaq)
Industry
Pharmaceutical Preparations
Headquarters
Gaithersburg, MD 20878
Fiscal year end
2025 (FY)
Market Data
Close
$2.57
Change
-$0.06
Change %
-2.10%
Volume
94,606

ALT · trading date Oct 12, 2026 · previous close $2.62 · source: Alpaca (IEX feed, not consolidated full-market data).

Key Financials
Revenue
$41.0K
Net income
-$88.09M
Total assets
$279.93M
Total liabilities
$55.04M
Stockholders' equity
$224.89M
Cash & equivalents
$43.76M
Operating income
-$94.49M
Operating cash flow
-$67.54M
Capital expenditures
$11.0K

Fiscal year 2025, via 10-K filed 2026-03-06. A dash means this figure wasn't reported in the source filing under a field State Ledger recognizes - not that the value is zero.

Financial Performance
Operating margin
-230,461.0%
Net margin
-214,861.0%
Free cash flow
-$67.55M
Free cash flow margin
-164,746.3%
Liabilities / assets
19.7%
Equity / assets
80.3%
CapEx / revenue
26.8%
Operating cash flow / net income
0.77×

Derived from the fiscal year 2025 figures above. These metrics are mathematical calculations and do not represent a rating or assessment of the company.

Financial History
Fiscal yearRevenueNet incomeAssetsLiabilitiesEquity
2025 $41.0K -$88.09M $279.93M $55.04M $224.89M
2024 $20.0K -$95.06M $139.31M $15.80M $123.51M
2023 $426.0K -$88.45M $210.64M $16.54M $194.10M
2022 — -$84.71M $206.93M $21.64M $185.29M
2021 $4.41M -$97.09M $218.87M $19.73M $199.14M
Company Details
SIC code
2834
State of incorporation
DE
Active filer
Yes
Most recent SEC filing
Form 4
2026-09-17
Financials filed via
Form 10-K
filed 2026-03-06

"Most recent SEC filing" may differ from the filing used for the financial figures above.

Location
Gaithersburg, MD 20878
910 CLOPPER ROAD
Data & Methodology

SEC EDGAR submissions API (identity, collected Sep 19, 2026, 15:11 UTC) and SEC XBRL Company Facts API (financials, collected Sep 26, 2026, 15:32 UTC) · figures as originally filed, not restated · a dash always means a value wasn't reported, never a real zero.

← Back to Maryland — Public Companies