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Side-by-side financial comparison of BK Technologies Corp (BKTI) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.

BK Technologies Corp is the larger business by last-quarter revenue ($21.5M vs $12.6M, roughly 1.7× Spero Therapeutics, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs 19.7%, a 231.0% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 20.0%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs -21.6%).

BK Technologies Corp designs, manufactures and sells analog and digital two-way radio communications equipment and related accessories. It serves public safety departments, first responders, government agencies and commercial clients primarily across North America, focusing on reliable, mission-critical communication solutions.

BKTI vs SPRO — Head-to-Head

Bigger by revenue
BKTI
BKTI
1.7× larger
BKTI
$21.5M
$12.6M
SPRO
Growing faster (revenue YoY)
SPRO
SPRO
+24060.8% gap
SPRO
24080.8%
20.0%
BKTI
Higher net margin
SPRO
SPRO
231.0% more per $
SPRO
250.7%
19.7%
BKTI
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
-21.6%
BKTI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
BKTI
BKTI
SPRO
SPRO
Revenue
$21.5M
$12.6M
Net Profit
$4.2M
$31.5M
Gross Margin
50.5%
Operating Margin
19.7%
Net Margin
19.7%
250.7%
Revenue YoY
20.0%
24080.8%
Net Profit YoY
15.6%
250.9%
EPS (diluted)
$1.06
$0.56

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
BKTI
BKTI
SPRO
SPRO
Q4 25
$21.5M
$12.6M
Q3 25
$24.4M
$0
Q2 25
$21.2M
$0
Q1 25
$19.1M
$12.0K
Q4 24
$17.9M
$52.0K
Q3 24
$20.2M
$65.0K
Q2 24
$20.3M
$114.0K
Q1 24
$140.0K
Net Profit
BKTI
BKTI
SPRO
SPRO
Q4 25
$4.2M
$31.5M
Q3 25
$3.4M
$-7.4M
Q2 25
$3.7M
$-1.7M
Q1 25
$2.1M
$-13.9M
Q4 24
$3.7M
Q3 24
$2.4M
$-17.1M
Q2 24
$1.7M
$-17.9M
Q1 24
$-12.7M
Gross Margin
BKTI
BKTI
SPRO
SPRO
Q4 25
50.5%
Q3 25
49.9%
Q2 25
47.4%
Q1 25
47.0%
Q4 24
41.2%
Q3 24
38.8%
Q2 24
37.3%
Q1 24
Operating Margin
BKTI
BKTI
SPRO
SPRO
Q4 25
19.7%
Q3 25
19.8%
Q2 25
18.9%
Q1 25
15.3%
-122758.3%
Q4 24
12.3%
Q3 24
12.9%
-28604.6%
Q2 24
10.0%
-16720.2%
Q1 24
-9987.1%
Net Margin
BKTI
BKTI
SPRO
SPRO
Q4 25
19.7%
250.7%
Q3 25
14.1%
Q2 25
17.7%
Q1 25
11.2%
-115550.0%
Q4 24
20.4%
Q3 24
11.7%
-26380.0%
Q2 24
8.2%
-15668.4%
Q1 24
-9049.3%
EPS (diluted)
BKTI
BKTI
SPRO
SPRO
Q4 25
$1.06
$0.56
Q3 25
$0.87
$-0.13
Q2 25
$0.96
$-0.03
Q1 25
$0.55
$-0.25
Q4 24
$0.96
Q3 24
$0.63
$-0.32
Q2 24
$0.47
$-0.33
Q1 24
$-0.24

Balance Sheet & Financial Strength

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

Metric
BKTI
BKTI
SPRO
SPRO
Cash + ST InvestmentsLiquidity on hand
$22.8M
$40.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$44.7M
$59.0M
Total Assets
$63.8M
$68.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
BKTI
BKTI
SPRO
SPRO
Q4 25
$22.8M
$40.3M
Q3 25
$21.5M
$48.6M
Q2 25
$11.9M
$31.2M
Q1 25
$8.9M
$48.9M
Q4 24
$7.1M
$52.9M
Q3 24
$4.2M
$76.3M
Q2 24
$3.0M
$63.5M
Q1 24
$82.3M
Stockholders' Equity
BKTI
BKTI
SPRO
SPRO
Q4 25
$44.7M
$59.0M
Q3 25
$41.0M
$26.5M
Q2 25
$36.8M
$32.8M
Q1 25
$32.4M
$33.8M
Q4 24
$29.8M
$46.1M
Q3 24
$26.0M
$65.5M
Q2 24
$23.4M
$80.5M
Q1 24
$96.2M
Total Assets
BKTI
BKTI
SPRO
SPRO
Q4 25
$63.8M
$68.9M
Q3 25
$66.9M
$54.2M
Q2 25
$60.4M
$62.1M
Q1 25
$56.1M
$77.7M
Q4 24
$51.5M
$110.5M
Q3 24
$46.4M
$135.2M
Q2 24
$48.9M
$149.9M
Q1 24
$167.7M

Cash Flow & Capital Efficiency

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

Metric
BKTI
BKTI
SPRO
SPRO
Operating Cash FlowLast quarter
$3.0M
$-8.4M
Free Cash FlowOCF − Capex
$2.8M
FCF MarginFCF / Revenue
13.2%
Capex IntensityCapex / Revenue
0.7%
Cash ConversionOCF / Net Profit
0.71×
-0.26×
TTM Free Cash FlowTrailing 4 quarters
$18.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
BKTI
BKTI
SPRO
SPRO
Q4 25
$3.0M
$-8.4M
Q3 25
$10.4M
$17.4M
Q2 25
$3.9M
$-17.7M
Q1 25
$2.1M
$-4.0M
Q4 24
$3.8M
$-23.4M
Q3 24
$5.7M
$12.8M
Q2 24
$4.1M
$-18.7M
Q1 24
$5.9M
Free Cash Flow
BKTI
BKTI
SPRO
SPRO
Q4 25
$2.8M
Q3 25
$10.1M
Q2 25
$3.7M
Q1 25
$1.8M
Q4 24
$3.4M
Q3 24
$5.2M
Q2 24
$3.9M
Q1 24
FCF Margin
BKTI
BKTI
SPRO
SPRO
Q4 25
13.2%
Q3 25
41.3%
Q2 25
17.3%
Q1 25
9.6%
Q4 24
19.2%
Q3 24
25.8%
Q2 24
19.2%
Q1 24
Capex Intensity
BKTI
BKTI
SPRO
SPRO
Q4 25
0.7%
Q3 25
1.5%
Q2 25
1.2%
Q1 25
1.4%
Q4 24
2.0%
Q3 24
2.2%
Q2 24
1.0%
Q1 24
Cash Conversion
BKTI
BKTI
SPRO
SPRO
Q4 25
0.71×
-0.26×
Q3 25
3.04×
Q2 25
1.04×
Q1 25
0.98×
Q4 24
1.04×
Q3 24
2.40×
Q2 24
2.46×
Q1 24

Financial Flow Comparison

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

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