Filing Flows › Siga Technologies (SIGA) › Q4 2025
Siga Technologies (SIGA) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Mar 10, 2026
Siga Technologies (SIGA) reported revenue of $3.8M for the fourth quarter 2025 (Q4 2025), -95% from a year earlier and +45% from the quarter before. Operating margin was -250.4%, net loss $5.4M (143.1% of revenue).
Siga Technologies, Q4 2025: revenue $3.8M (-95% year over year), operating margin -250.4%, net loss $5.4M, operating cash flow −$16.9M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $3.8M | +45% | -95% |
| Operating profit | −$9.5M | — | -117% |
| Net earnings | −$5.4M | — | -112% |
| Operating cash flow | −$16.9M | — | -130% |
What changed
Revenue was $3.8M in Q4 2025, down 95% year over year and up 45% from the previous quarter. Product Sales and Supportive Services was the largest line at 58% of revenue.
Operating costs exceeded revenue by $9.5M, an operating margin of -250.4%. Total costs fell 45% while revenue fell 95%. The fastest-growing cost line was Research & development (+51%). The quarter ended with a net loss of $5.4M, narrower than the previous quarter's $6.4M loss.
Operating cash flow was −$16.9M. Non-cash charges added back $147K of depreciation and amortization and $773K of share-based compensation. Working capital and other items used $12.3M. Capital expenditures of $41K exceeded it, leaving free cash flow of −$16.9M.
Questions
What was Siga Technologies' revenue in the fourth quarter 2025?
Siga Technologies (SIGA) reported revenue of $3.8M for the fourth quarter 2025 (Q4 2025), -95% from a year earlier and +45% from the quarter before.
Was Siga Technologies profitable in the fourth quarter 2025?
Operating loss was $9.5M (-250.4% of revenue) and net loss $5.4M.
Source: Siga Technologies 10-K on SEC EDGAR.