Filing Flows › Siga Technologies (SIGA) › Q3 2025
Siga Technologies (SIGA) Q3 2025 earnings results (third quarter 2025)
10-Q filed Nov 6, 2025
Siga Technologies (SIGA) reported revenue of $2.6M for the third quarter 2025 (Q3 2025), -74% from a year earlier and -97% from the quarter before. Operating margin was -390.2%, net loss $6.4M (243.0% of revenue).
Siga Technologies, Q3 2025: revenue $2.6M (-74% year over year), operating margin -390.2%, net loss $6.4M, operating cash flow −$9.8M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $2.6M | -97% | -74% |
| Operating profit | −$10.2M | -122% | — |
| Net earnings | −$6.4M | -118% | — |
| Operating cash flow | −$9.8M | -116% | — |
What changed
Revenue was $2.6M in Q3 2025, down 74% year over year and down 97% from the previous quarter. Research and Development was the largest line at 66% of revenue. Product Sales and Supportive Services lost $8.1M year over year (down 90%), 109% of the total change.
Operating costs exceeded revenue by $10.2M, an operating margin of -390.2%. Total costs grew 36% against a revenue fall of 74%. The fastest-growing cost line was Research & development (+133%). The quarter ended with a net loss of $6.4M, after a profit of $35.5M the previous quarter. Non-operating items added $1.9M, -22% of pre-tax earnings, so the bottom line overstates operating performance.
Operating cash flow was −$9.8M. Non-cash charges added back $142K of depreciation and amortization and $774K of share-based compensation. Working capital and other items used $4.4M. Capital expenditures of $290K exceeded it, leaving free cash flow of −$10.1M.
Questions
What was Siga Technologies' revenue in the third quarter 2025?
Siga Technologies (SIGA) reported revenue of $2.6M for the third quarter 2025 (Q3 2025), -74% from a year earlier and -97% from the quarter before.
Was Siga Technologies profitable in the third quarter 2025?
Operating loss was $10.2M (-390.2% of revenue) and net loss $6.4M.
Source: Siga Technologies 10-Q on SEC EDGAR.