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Side-by-side financial comparison of Spero Therapeutics, Inc. (SPRO) and TRANSACT TECHNOLOGIES INC (TACT). Click either name above to swap in a different company.

Spero Therapeutics, Inc. is the larger business by last-quarter revenue ($12.6M vs $11.5M, roughly 1.1× TRANSACT TECHNOLOGIES INC). On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 11.9%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs 3.5%).

SPRO vs TACT — Head-to-Head

Bigger by revenue
SPRO
SPRO
1.1× larger
SPRO
$12.6M
$11.5M
TACT
Growing faster (revenue YoY)
SPRO
SPRO
+24068.8% gap
SPRO
24080.8%
11.9%
TACT
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
3.5%
TACT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SPRO
SPRO
TACT
TACT
Revenue
$12.6M
$11.5M
Net Profit
$31.5M
Gross Margin
47.6%
Operating Margin
-10.1%
Net Margin
250.7%
Revenue YoY
24080.8%
11.9%
Net Profit YoY
250.9%
EPS (diluted)
$0.56
$-0.11

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
SPRO
SPRO
TACT
TACT
Q4 25
$12.6M
$11.5M
Q3 25
$0
$13.2M
Q2 25
$0
$13.8M
Q1 25
$12.0K
$13.1M
Q4 24
$52.0K
$10.2M
Q3 24
$65.0K
$10.9M
Q2 24
$114.0K
$11.6M
Q1 24
$140.0K
$10.7M
Net Profit
SPRO
SPRO
TACT
TACT
Q4 25
$31.5M
Q3 25
$-7.4M
$15.0K
Q2 25
$-1.7M
$-143.0K
Q1 25
$-13.9M
$19.0K
Q4 24
Q3 24
$-17.1M
$-551.0K
Q2 24
$-17.9M
$-319.0K
Q1 24
$-12.7M
$-1.0M
Gross Margin
SPRO
SPRO
TACT
TACT
Q4 25
47.6%
Q3 25
49.8%
Q2 25
48.2%
Q1 25
48.7%
Q4 24
44.2%
Q3 24
48.1%
Q2 24
52.7%
Q1 24
52.6%
Operating Margin
SPRO
SPRO
TACT
TACT
Q4 25
-10.1%
Q3 25
0.1%
Q2 25
-1.9%
Q1 25
-122758.3%
-0.1%
Q4 24
-10.3%
Q3 24
-28604.6%
-7.7%
Q2 24
-16720.2%
-3.8%
Q1 24
-9987.1%
-12.2%
Net Margin
SPRO
SPRO
TACT
TACT
Q4 25
250.7%
Q3 25
0.1%
Q2 25
-1.0%
Q1 25
-115550.0%
0.1%
Q4 24
Q3 24
-26380.0%
-5.1%
Q2 24
-15668.4%
-2.8%
Q1 24
-9049.3%
-9.7%
EPS (diluted)
SPRO
SPRO
TACT
TACT
Q4 25
$0.56
$-0.11
Q3 25
$-0.13
$0.00
Q2 25
$-0.03
$-0.01
Q1 25
$-0.25
$0.00
Q4 24
$-0.80
Q3 24
$-0.32
$-0.06
Q2 24
$-0.33
$-0.03
Q1 24
$-0.24
$-0.10

Balance Sheet & Financial Strength

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

Metric
SPRO
SPRO
TACT
TACT
Cash + ST InvestmentsLiquidity on hand
$40.3M
$20.4M
Total DebtLower is stronger
Stockholders' EquityBook value
$59.0M
$31.1M
Total Assets
$68.9M
$44.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPRO
SPRO
TACT
TACT
Q4 25
$40.3M
$20.4M
Q3 25
$48.6M
$20.0M
Q2 25
$31.2M
$17.7M
Q1 25
$48.9M
$14.2M
Q4 24
$52.9M
$14.4M
Q3 24
$76.3M
$11.3M
Q2 24
$63.5M
$11.1M
Q1 24
$82.3M
$10.6M
Stockholders' Equity
SPRO
SPRO
TACT
TACT
Q4 25
$59.0M
$31.1M
Q3 25
$26.5M
$31.8M
Q2 25
$32.8M
$31.3M
Q1 25
$33.8M
$30.9M
Q4 24
$46.1M
$30.6M
Q3 24
$65.5M
$38.4M
Q2 24
$80.5M
$38.5M
Q1 24
$96.2M
$38.6M
Total Assets
SPRO
SPRO
TACT
TACT
Q4 25
$68.9M
$44.8M
Q3 25
$54.2M
$45.0M
Q2 25
$62.1M
$44.5M
Q1 25
$77.7M
$44.2M
Q4 24
$110.5M
$44.0M
Q3 24
$135.2M
$50.5M
Q2 24
$149.9M
$50.4M
Q1 24
$167.7M
$51.9M

Cash Flow & Capital Efficiency

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

Metric
SPRO
SPRO
TACT
TACT
Operating Cash FlowLast quarter
$-8.4M
$609.0K
Free Cash FlowOCF − Capex
$589.0K
FCF MarginFCF / Revenue
5.1%
Capex IntensityCapex / Revenue
0.2%
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters
$7.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPRO
SPRO
TACT
TACT
Q4 25
$-8.4M
$609.0K
Q3 25
$17.4M
$3.6M
Q2 25
$-17.7M
$3.6M
Q1 25
$-4.0M
$-161.0K
Q4 24
$-23.4M
$2.4M
Q3 24
$12.8M
$327.0K
Q2 24
$-18.7M
$636.0K
Q1 24
$5.9M
$-1.5M
Free Cash Flow
SPRO
SPRO
TACT
TACT
Q4 25
$589.0K
Q3 25
$3.6M
Q2 25
$3.6M
Q1 25
$-171.0K
Q4 24
$2.4M
Q3 24
$259.0K
Q2 24
$499.0K
Q1 24
$-1.6M
FCF Margin
SPRO
SPRO
TACT
TACT
Q4 25
5.1%
Q3 25
27.1%
Q2 25
25.9%
Q1 25
-1.3%
Q4 24
23.2%
Q3 24
2.4%
Q2 24
4.3%
Q1 24
-14.9%
Capex Intensity
SPRO
SPRO
TACT
TACT
Q4 25
0.2%
Q3 25
0.5%
Q2 25
0.1%
Q1 25
0.1%
Q4 24
0.1%
Q3 24
0.6%
Q2 24
1.2%
Q1 24
1.0%
Cash Conversion
SPRO
SPRO
TACT
TACT
Q4 25
-0.26×
Q3 25
242.00×
Q2 25
Q1 25
-8.47×
Q4 24
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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