Filing Flows › Intrusion (INTZ) › Q4 2025
Intrusion (INTZ) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Mar 25, 2026
Intrusion (INTZ) reported revenue of $1.5M for the fourth quarter 2025 (Q4 2025), -12% from a year earlier and -25% from the quarter before. Operating margin was -192.4%, net loss $2.8M (190.7% of revenue).
Intrusion, Q4 2025: revenue $1.5M (-12% year over year), operating margin -192.4%, net loss $2.8M, operating cash flow −$531K. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.5M | -25% | -12% |
| Operating profit | −$2.8M | — | — |
| Net earnings | −$2.8M | — | — |
| Operating cash flow | −$531K | — | — |
What changed
Revenue was $1.5M in Q4 2025, down 12% year over year and down 25% from the previous quarter.
Gross margin was 74.3%, down 0.5 points from Q4 2024. Operating costs exceeded revenue by $2.8M, an operating margin of -192.4%. Operating expenses grew 25% against a revenue fall of 12%. The fastest-growing cost line was General & admin (+44%). The quarter ended with a net loss of $2.8M, wider than the previous quarter's $2.1M loss.
Operating cash flow was −$531K. Non-cash charges added back $406K of depreciation and amortization and $277K of share-based compensation. Working capital and other items added $1.6M. Capital expenditures of $18K exceeded it, leaving free cash flow of −$549K.
Questions
What was Intrusion's revenue in the fourth quarter 2025?
Intrusion (INTZ) reported revenue of $1.5M for the fourth quarter 2025 (Q4 2025), -12% from a year earlier and -25% from the quarter before.
Was Intrusion profitable in the fourth quarter 2025?
Operating loss was $2.8M (-192.4% of revenue) and net loss $2.8M.
Source: Intrusion 10-K on SEC EDGAR.