Filing Flows

Filing Flows › Altimmune (ALT) › Q4 2025 › vs Q4 2024

Altimmune (ALT) Q4 2025 vs Q4 2024 (year over year)

Altimmune's revenue rose $21K (+420%) from $5K in Q4 2024 to $26K in Q4 2025.

Altimmune, Q4 2025: revenue $26K (+420% year over year), net loss $27.4M, operating cash flow −$19.4M. The chart draws each line against Q4 2024, the increases inside each band.

Altimmune: what changed, Q4 2025 vs Q4 2024Altimmune: what changed, Q4 2025 vs Q4 2024General & admin$5.4MNet loss$4.2MOperating cash sources$4.2MNet loss absorbed$4.2MCosts & expenses$4.0MOperating costs$4.0MShare-based compensation$1.6MWorking capital & other$1.4MResearch & development−$1.4MCash used in operations$1.2M

Every line

LineQ4 2025Q4 2024Change%
Revenue$26K$5K$21K+420%
Other income, net$1.5M$1.7M−$151K-9%
Net loss$27.4M$23.2M$4.2M+18%
Costs & expenses$28.9M$24.9M$4.0M+16%
Operating costs$28.9M$24.9M$4.0M+16%
Research & development$18.4M$19.8M−$1.4M-7%
General & admin$10.5M$5.1M$5.4M+106%
Operating cash sources$27.4M$23.2M$4.2M+18%
Depreciation$26K$33K−$7K-21%
Share-based compensation$4.9M$3.4M$1.6M+47%
Working capital & other$2.9M$1.5M$1.4M+93%
Cash used in operations$19.4M$18.3M$1.2M+6%
Net loss absorbed$27.4M$23.2M$4.2M+18%

Questions

How much did Altimmune's revenue grow year over year in Q4 2025?

Altimmune's revenue rose $21K (+420%) from $5K in Q4 2024 to $26K in Q4 2025.

Q4 2025 results → · Compare in the interactive Sankey →