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

UNION BANKSHARES INC is the larger business by last-quarter revenue ($14.1M vs $12.6M, roughly 1.1× Spero Therapeutics, Inc.). On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 6.3%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs 10.2%).

Atlantic Union Bankshares Corporation is a bank holding company based in Richmond, Virginia and is the parent company of Atlantic Union Bank, a regional bank. It operates 129 branches in Virginia, Maryland, and North Carolina and is the largest bank headquartered in Virginia. It is on the list of largest banks in the United States.

SPRO vs UNB — Head-to-Head

Bigger by revenue
UNB
UNB
1.1× larger
UNB
$14.1M
$12.6M
SPRO
Growing faster (revenue YoY)
SPRO
SPRO
+24074.5% gap
SPRO
24080.8%
6.3%
UNB
Faster 2-yr revenue CAGR
SPRO
SPRO
Annualised
SPRO
847.7%
10.2%
UNB

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SPRO
SPRO
UNB
UNB
Revenue
$12.6M
$14.1M
Net Profit
$31.5M
Gross Margin
Operating Margin
Net Margin
250.7%
Revenue YoY
24080.8%
6.3%
Net Profit YoY
250.9%
EPS (diluted)
$0.56
$0.59

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
SPRO
SPRO
UNB
UNB
Q4 25
$12.6M
$14.1M
Q3 25
$0
$14.5M
Q2 25
$0
$13.2M
Q1 25
$12.0K
$12.7M
Q4 24
$52.0K
$13.2M
Q3 24
$65.0K
$11.0M
Q2 24
$114.0K
$12.2M
Q1 24
$140.0K
$11.6M
Net Profit
SPRO
SPRO
UNB
UNB
Q4 25
$31.5M
Q3 25
$-7.4M
$3.4M
Q2 25
$-1.7M
$2.4M
Q1 25
$-13.9M
$2.5M
Q4 24
Q3 24
$-17.1M
$1.3M
Q2 24
$-17.9M
$2.0M
Q1 24
$-12.7M
$2.4M
Operating Margin
SPRO
SPRO
UNB
UNB
Q4 25
Q3 25
Q2 25
Q1 25
-122758.3%
Q4 24
Q3 24
-28604.6%
Q2 24
-16720.2%
Q1 24
-9987.1%
Net Margin
SPRO
SPRO
UNB
UNB
Q4 25
250.7%
Q3 25
23.7%
Q2 25
18.1%
Q1 25
-115550.0%
19.7%
Q4 24
Q3 24
-26380.0%
12.0%
Q2 24
-15668.4%
16.5%
Q1 24
-9049.3%
20.9%
EPS (diluted)
SPRO
SPRO
UNB
UNB
Q4 25
$0.56
$0.59
Q3 25
$-0.13
$0.75
Q2 25
$-0.03
$0.52
Q1 25
$-0.25
$0.55
Q4 24
$0.65
Q3 24
$-0.32
$0.29
Q2 24
$-0.33
$0.45
Q1 24
$-0.24
$0.53

Balance Sheet & Financial Strength

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

Metric
SPRO
SPRO
UNB
UNB
Cash + ST InvestmentsLiquidity on hand
$40.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$59.0M
$80.9M
Total Assets
$68.9M
$1.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SPRO
SPRO
UNB
UNB
Q4 25
$40.3M
Q3 25
$48.6M
Q2 25
$31.2M
Q1 25
$48.9M
Q4 24
$52.9M
Q3 24
$76.3M
Q2 24
$63.5M
Q1 24
$82.3M
Stockholders' Equity
SPRO
SPRO
UNB
UNB
Q4 25
$59.0M
$80.9M
Q3 25
$26.5M
$77.7M
Q2 25
$32.8M
$71.3M
Q1 25
$33.8M
$70.1M
Q4 24
$46.1M
$66.5M
Q3 24
$65.5M
$72.3M
Q2 24
$80.5M
$64.0M
Q1 24
$96.2M
$63.8M
Total Assets
SPRO
SPRO
UNB
UNB
Q4 25
$68.9M
$1.6B
Q3 25
$54.2M
$1.6B
Q2 25
$62.1M
$1.5B
Q1 25
$77.7M
$1.5B
Q4 24
$110.5M
$1.5B
Q3 24
$135.2M
$1.5B
Q2 24
$149.9M
$1.4B
Q1 24
$167.7M
$1.4B

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
UNB
UNB
Operating Cash FlowLast quarter
$-8.4M
$17.2M
Free Cash FlowOCF − Capex
$16.0M
FCF MarginFCF / Revenue
113.6%
Capex IntensityCapex / Revenue
8.9%
Cash ConversionOCF / Net Profit
-0.26×
TTM Free Cash FlowTrailing 4 quarters
$29.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SPRO
SPRO
UNB
UNB
Q4 25
$-8.4M
$17.2M
Q3 25
$17.4M
$9.7M
Q2 25
$-17.7M
$288.0K
Q1 25
$-4.0M
$4.1M
Q4 24
$-23.4M
$12.2M
Q3 24
$12.8M
$1.3M
Q2 24
$-18.7M
$3.3M
Q1 24
$5.9M
$1.9M
Free Cash Flow
SPRO
SPRO
UNB
UNB
Q4 25
$16.0M
Q3 25
$9.6M
Q2 25
$-381.0K
Q1 25
$3.9M
Q4 24
$11.1M
Q3 24
$1.1M
Q2 24
$2.9M
Q1 24
$1.5M
FCF Margin
SPRO
SPRO
UNB
UNB
Q4 25
113.6%
Q3 25
65.9%
Q2 25
-2.9%
Q1 25
30.8%
Q4 24
83.8%
Q3 24
9.7%
Q2 24
23.8%
Q1 24
12.8%
Capex Intensity
SPRO
SPRO
UNB
UNB
Q4 25
8.9%
Q3 25
1.1%
Q2 25
5.1%
Q1 25
1.1%
Q4 24
8.1%
Q3 24
1.9%
Q2 24
2.7%
Q1 24
3.3%
Cash Conversion
SPRO
SPRO
UNB
UNB
Q4 25
-0.26×
Q3 25
2.83×
Q2 25
0.12×
Q1 25
1.62×
Q4 24
Q3 24
0.97×
Q2 24
1.61×
Q1 24
0.77×

Financial Flow Comparison

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

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