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Side-by-side financial comparison of AST SpaceMobile, Inc. (ASTS) and NAPCO SECURITY TECHNOLOGIES, INC (NSSC). Click either name above to swap in a different company.

AST SpaceMobile, Inc. is the larger business by last-quarter revenue ($54.3M vs $48.2M, roughly 1.1× NAPCO SECURITY TECHNOLOGIES, INC). NAPCO SECURITY TECHNOLOGIES, INC runs the higher net margin — 28.0% vs -136.2%, a 164.2% gap on every dollar of revenue. On growth, AST SpaceMobile, Inc. posted the faster year-over-year revenue change (2758.2% vs 12.2%). NAPCO SECURITY TECHNOLOGIES, INC produced more free cash flow last quarter ($14.5M vs $-330.7M).

AST SpaceMobile, Inc. is a publicly traded satellite designer and manufacturer based in Midland, Texas, United States. The company is building the SpaceMobile satellite constellation, a space-based cellular broadband network designed to connect directly to standard, unmodified smartphones. The network is intended to deliver 4G and 5G broadband coverage globally, particularly in remote and underserved regions.

Napco Security Technologies, Inc. was set up in 1969 and now is based in Amityville, New York. The company focuses on security products, such as electronic locking devices, alarm systems, and building access control systems. The company was formerly known as Napco Security Systems, Inc.

ASTS vs NSSC — Head-to-Head

Bigger by revenue
ASTS
ASTS
1.1× larger
ASTS
$54.3M
$48.2M
NSSC
Growing faster (revenue YoY)
ASTS
ASTS
+2746.0% gap
ASTS
2758.2%
12.2%
NSSC
Higher net margin
NSSC
NSSC
164.2% more per $
NSSC
28.0%
-136.2%
ASTS
More free cash flow
NSSC
NSSC
$345.2M more FCF
NSSC
$14.5M
$-330.7M
ASTS

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
ASTS
ASTS
NSSC
NSSC
Revenue
$54.3M
$48.2M
Net Profit
$-74.0M
$13.5M
Gross Margin
58.6%
Operating Margin
-175.0%
30.6%
Net Margin
-136.2%
28.0%
Revenue YoY
2758.2%
12.2%
Net Profit YoY
-106.3%
29.0%
EPS (diluted)
$0.38

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
ASTS
ASTS
NSSC
NSSC
Q4 25
$54.3M
$48.2M
Q3 25
$14.7M
$49.2M
Q2 25
$50.7M
Q1 25
$44.0M
Q4 24
$42.9M
Q3 24
$44.0M
Q2 24
$50.3M
Q1 24
$49.3M
Net Profit
ASTS
ASTS
NSSC
NSSC
Q4 25
$-74.0M
$13.5M
Q3 25
$-122.9M
$12.2M
Q2 25
$11.6M
Q1 25
$10.1M
Q4 24
$10.5M
Q3 24
$11.2M
Q2 24
$13.5M
Q1 24
$13.2M
Gross Margin
ASTS
ASTS
NSSC
NSSC
Q4 25
58.6%
Q3 25
56.6%
Q2 25
52.8%
Q1 25
57.2%
Q4 24
57.0%
Q3 24
55.9%
Q2 24
55.3%
Q1 24
53.8%
Operating Margin
ASTS
ASTS
NSSC
NSSC
Q4 25
-175.0%
30.6%
Q3 25
-1109.0%
27.7%
Q2 25
23.8%
Q1 25
25.4%
Q4 24
26.0%
Q3 24
26.9%
Q2 24
27.7%
Q1 24
29.4%
Net Margin
ASTS
ASTS
NSSC
NSSC
Q4 25
-136.2%
28.0%
Q3 25
-833.7%
24.7%
Q2 25
22.9%
Q1 25
23.0%
Q4 24
24.4%
Q3 24
25.4%
Q2 24
26.9%
Q1 24
26.8%
EPS (diluted)
ASTS
ASTS
NSSC
NSSC
Q4 25
$0.38
Q3 25
$0.34
Q2 25
$0.33
Q1 25
$0.28
Q4 24
$0.28
Q3 24
$0.30
Q2 24
$0.36
Q1 24
$0.36

Balance Sheet & Financial Strength

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

Metric
ASTS
ASTS
NSSC
NSSC
Cash + ST InvestmentsLiquidity on hand
$4.3B
$115.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.4B
$184.8M
Total Assets
$5.0B
$212.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASTS
ASTS
NSSC
NSSC
Q4 25
$4.3B
$115.4M
Q3 25
$2.4B
$105.8M
Q2 25
$99.2M
Q1 25
$89.3M
Q4 24
$99.2M
Q3 24
$91.3M
Q2 24
$70.7M
Q1 24
$60.9M
Stockholders' Equity
ASTS
ASTS
NSSC
NSSC
Q4 25
$2.4B
$184.8M
Q3 25
$1.6B
$176.1M
Q2 25
$168.6M
Q1 25
$161.5M
Q4 24
$174.2M
Q3 24
$178.6M
Q2 24
$178.9M
Q1 24
$168.2M
Total Assets
ASTS
ASTS
NSSC
NSSC
Q4 25
$5.0B
$212.8M
Q3 25
$2.6B
$206.0M
Q2 25
$198.1M
Q1 25
$190.9M
Q4 24
$202.7M
Q3 24
$209.9M
Q2 24
$207.8M
Q1 24
$194.8M

Cash Flow & Capital Efficiency

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

Metric
ASTS
ASTS
NSSC
NSSC
Operating Cash FlowLast quarter
$65.0M
$15.1M
Free Cash FlowOCF − Capex
$-330.7M
$14.5M
FCF MarginFCF / Revenue
-609.0%
30.1%
Capex IntensityCapex / Revenue
728.7%
1.2%
Cash ConversionOCF / Net Profit
1.12×
TTM Free Cash FlowTrailing 4 quarters
$-790.4M
$53.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASTS
ASTS
NSSC
NSSC
Q4 25
$65.0M
$15.1M
Q3 25
$-64.5M
$11.6M
Q2 25
$14.6M
Q1 25
$13.4M
Q4 24
$13.5M
Q3 24
$12.0M
Q2 24
$14.3M
Q1 24
$12.3M
Free Cash Flow
ASTS
ASTS
NSSC
NSSC
Q4 25
$-330.7M
$14.5M
Q3 25
$-302.9M
$11.4M
Q2 25
$14.4M
Q1 25
$13.3M
Q4 24
$12.4M
Q3 24
$11.3M
Q2 24
$13.8M
Q1 24
$12.0M
FCF Margin
ASTS
ASTS
NSSC
NSSC
Q4 25
-609.0%
30.1%
Q3 25
-2055.0%
23.3%
Q2 25
28.4%
Q1 25
30.3%
Q4 24
28.8%
Q3 24
25.8%
Q2 24
27.4%
Q1 24
24.3%
Capex Intensity
ASTS
ASTS
NSSC
NSSC
Q4 25
728.7%
1.2%
Q3 25
1617.6%
0.4%
Q2 25
0.5%
Q1 25
0.1%
Q4 24
2.6%
Q3 24
1.5%
Q2 24
1.1%
Q1 24
0.7%
Cash Conversion
ASTS
ASTS
NSSC
NSSC
Q4 25
1.12×
Q3 25
0.96×
Q2 25
1.26×
Q1 25
1.32×
Q4 24
1.29×
Q3 24
1.08×
Q2 24
1.06×
Q1 24
0.94×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ASTS
ASTS

Products$44.4M82%
Other$7.8M14%
Sat Co$2.1M4%

NSSC
NSSC

Segment breakdown not available.

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