vs

Side-by-side financial comparison of INTRUSION INC (INTZ) and Pulmatrix, Inc. (PULM). Click either name above to swap in a different company.

Pulmatrix, Inc. is the larger business by last-quarter revenue ($1.6M vs $1.5M, roughly 1.0× INTRUSION INC). INTRUSION INC runs the higher net margin — -190.7% vs -374.4%, a 183.7% gap on every dollar of revenue. On growth, INTRUSION INC posted the faster year-over-year revenue change (-11.6% vs -15.8%). INTRUSION INC produced more free cash flow last quarter ($-549.0K vs $-3.9M). Over the past eight quarters, INTRUSION INC's revenue compounded faster (14.4% CAGR vs -8.9%).

Intrusion Inc. is a cybersecurity company based in Plano, Texas. It provides cybersecurity solutions, including network intrusion detection and prevention systems.

Pulmatrix, Inc. is a clinical-stage biopharmaceutical firm specializing in developing innovative inhaled therapies for severe respiratory diseases including chronic obstructive pulmonary disease, cystic fibrosis and idiopathic pulmonary fibrosis. It uses its proprietary dry powder platform to improve inhaled medication efficacy and safety, advancing its product candidate pipeline via partnerships with global pharmaceutical players.

INTZ vs PULM — Head-to-Head

Bigger by revenue
PULM
PULM
1.0× larger
PULM
$1.6M
$1.5M
INTZ
Growing faster (revenue YoY)
INTZ
INTZ
+4.2% gap
INTZ
-11.6%
-15.8%
PULM
Higher net margin
INTZ
INTZ
183.7% more per $
INTZ
-190.7%
-374.4%
PULM
More free cash flow
INTZ
INTZ
$3.4M more FCF
INTZ
$-549.0K
$-3.9M
PULM
Faster 2-yr revenue CAGR
INTZ
INTZ
Annualised
INTZ
14.4%
-8.9%
PULM

Income Statement — Q4 FY2025 vs Q2 FY2024

Metric
INTZ
INTZ
PULM
PULM
Revenue
$1.5M
$1.6M
Net Profit
$-2.8M
$-5.8M
Gross Margin
74.3%
Operating Margin
-192.4%
-380.2%
Net Margin
-190.7%
-374.4%
Revenue YoY
-11.6%
-15.8%
Net Profit YoY
-44.4%
-52.3%
EPS (diluted)
$-0.15
$-1.59

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
INTZ
INTZ
PULM
PULM
Q4 25
$1.5M
Q3 25
$2.0M
Q2 25
$1.9M
Q1 25
$1.8M
Q4 24
$1.7M
Q3 24
$1.5M
Q2 24
$1.5M
$1.6M
Q1 24
$1.1M
$5.9M
Net Profit
INTZ
INTZ
PULM
PULM
Q4 25
$-2.8M
Q3 25
$-2.1M
Q2 25
$-2.0M
Q1 25
$-2.1M
Q4 24
$-2.0M
Q3 24
$-2.0M
Q2 24
$-2.1M
$-5.8M
Q1 24
$-1.7M
$825.0K
Gross Margin
INTZ
INTZ
PULM
PULM
Q4 25
74.3%
Q3 25
76.6%
Q2 25
76.4%
Q1 25
75.7%
Q4 24
74.9%
Q3 24
77.1%
Q2 24
76.0%
Q1 24
80.0%
Operating Margin
INTZ
INTZ
PULM
PULM
Q4 25
-192.4%
Q3 25
-108.6%
Q2 25
-111.4%
Q1 25
-117.9%
Q4 24
-113.5%
Q3 24
-135.5%
Q2 24
-139.2%
-380.2%
Q1 24
-218.6%
12.7%
Net Margin
INTZ
INTZ
PULM
PULM
Q4 25
-190.7%
Q3 25
-106.5%
Q2 25
-109.0%
Q1 25
-118.2%
Q4 24
-116.8%
Q3 24
-136.3%
Q2 24
-141.6%
-374.4%
Q1 24
-151.7%
14.0%
EPS (diluted)
INTZ
INTZ
PULM
PULM
Q4 25
$-0.15
Q3 25
$-0.10
Q2 25
$-0.10
Q1 25
$-0.11
Q4 24
$0.19
Q3 24
$-0.35
Q2 24
$-0.53
$-1.59
Q1 24
$-0.94
$0.23

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
INTZ
INTZ
PULM
PULM
Cash + ST InvestmentsLiquidity on hand
$3.6M
$12.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$7.3M
$13.3M
Total Assets
$10.4M
$15.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
INTZ
INTZ
PULM
PULM
Q4 25
$3.6M
Q3 25
$4.5M
Q2 25
$8.4M
Q1 25
$10.7M
Q4 24
$4.9M
Q3 24
$1.1M
Q2 24
$1.5M
$12.4M
Q1 24
$122.0K
$16.3M
Stockholders' Equity
INTZ
INTZ
PULM
PULM
Q4 25
$7.3M
Q3 25
$9.8M
Q2 25
$11.6M
Q1 25
$13.4M
Q4 24
$6.3M
Q3 24
$2.6M
Q2 24
$2.9M
$13.3M
Q1 24
$-1.2M
$19.0M
Total Assets
INTZ
INTZ
PULM
PULM
Q4 25
$10.4M
Q3 25
$13.7M
Q2 25
$16.4M
Q1 25
$18.0M
Q4 24
$11.5M
Q3 24
$7.4M
Q2 24
$7.5M
$15.8M
Q1 24
$5.7M
$30.4M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
INTZ
INTZ
PULM
PULM
Operating Cash FlowLast quarter
$-531.0K
$-3.7M
Free Cash FlowOCF − Capex
$-549.0K
$-3.9M
FCF MarginFCF / Revenue
-37.1%
-252.6%
Capex IntensityCapex / Revenue
1.2%
15.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-7.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
INTZ
INTZ
PULM
PULM
Q4 25
$-531.0K
Q3 25
$-3.0M
Q2 25
$-1.6M
Q1 25
$-1.7M
Q4 24
$-178.0K
Q3 24
$-2.1M
Q2 24
$-2.9M
$-3.7M
Q1 24
$-1.1M
$-2.7M
Free Cash Flow
INTZ
INTZ
PULM
PULM
Q4 25
$-549.0K
Q3 25
$-3.0M
Q2 25
$-1.9M
Q1 25
$-2.1M
Q4 24
$-645.0K
Q3 24
$-2.1M
Q2 24
$-3.0M
$-3.9M
Q1 24
$-1.2M
$-2.9M
FCF Margin
INTZ
INTZ
PULM
PULM
Q4 25
-37.1%
Q3 25
-153.2%
Q2 25
-101.1%
Q1 25
-117.3%
Q4 24
-38.5%
Q3 24
-140.4%
Q2 24
-202.3%
-252.6%
Q1 24
-104.2%
-48.8%
Capex Intensity
INTZ
INTZ
PULM
PULM
Q4 25
1.2%
Q3 25
1.7%
Q2 25
17.8%
Q1 25
22.1%
Q4 24
27.9%
Q3 24
2.2%
Q2 24
2.1%
15.7%
Q1 24
5.7%
2.6%
Cash Conversion
INTZ
INTZ
PULM
PULM
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
-3.30×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Related Comparisons