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Side-by-side financial comparison of Amphastar Pharmaceuticals, Inc. (AMPH) and TENNANT CO (TNC). Click either name above to swap in a different company.

TENNANT CO is the larger business by last-quarter revenue ($291.6M vs $183.1M, roughly 1.6× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs -1.5%, a 14.9% gap on every dollar of revenue. On growth, Amphastar Pharmaceuticals, Inc. posted the faster year-over-year revenue change (-1.8% vs -11.3%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $9.7M). Over the past eight quarters, Amphastar Pharmaceuticals, Inc.'s revenue compounded faster (3.2% CAGR vs -3.2%).

Amphastar Pharmaceuticals is a publicly traded American speciality pharmaceutical company. It was incorporated in May 2004 and primarily develops, manufactures, and sells inhalation and intranasal products.

The Tennant Company (TNC:NYQ) is a company with about 4000 employees that provides cleaning products. It is a company that is listed in the New York Stock Exchange.

AMPH vs TNC — Head-to-Head

Bigger by revenue
TNC
TNC
1.6× larger
TNC
$291.6M
$183.1M
AMPH
Growing faster (revenue YoY)
AMPH
AMPH
+9.5% gap
AMPH
-1.8%
-11.3%
TNC
Higher net margin
AMPH
AMPH
14.9% more per $
AMPH
13.3%
-1.5%
TNC
More free cash flow
AMPH
AMPH
$14.9M more FCF
AMPH
$24.6M
$9.7M
TNC
Faster 2-yr revenue CAGR
AMPH
AMPH
Annualised
AMPH
3.2%
-3.2%
TNC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AMPH
AMPH
TNC
TNC
Revenue
$183.1M
$291.6M
Net Profit
$24.4M
$-4.4M
Gross Margin
46.8%
34.6%
Operating Margin
19.4%
-1.4%
Net Margin
13.3%
-1.5%
Revenue YoY
-1.8%
-11.3%
Net Profit YoY
-35.7%
-166.7%
EPS (diluted)
$0.51
$-0.21

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
AMPH
AMPH
TNC
TNC
Q4 25
$183.1M
$291.6M
Q3 25
$191.8M
$303.3M
Q2 25
$174.4M
$318.6M
Q1 25
$170.5M
$290.0M
Q4 24
$186.5M
$328.9M
Q3 24
$191.2M
$315.8M
Q2 24
$182.4M
$331.0M
Q1 24
$171.8M
$311.0M
Net Profit
AMPH
AMPH
TNC
TNC
Q4 25
$24.4M
$-4.4M
Q3 25
$17.4M
$14.9M
Q2 25
$31.0M
$20.2M
Q1 25
$25.3M
$13.1M
Q4 24
$38.0M
$6.6M
Q3 24
$40.4M
$20.8M
Q2 24
$37.9M
$27.9M
Q1 24
$43.2M
$28.4M
Gross Margin
AMPH
AMPH
TNC
TNC
Q4 25
46.8%
34.6%
Q3 25
51.4%
42.7%
Q2 25
49.6%
42.1%
Q1 25
50.0%
41.4%
Q4 24
46.5%
41.3%
Q3 24
53.3%
42.4%
Q2 24
52.2%
43.1%
Q1 24
52.4%
44.2%
Operating Margin
AMPH
AMPH
TNC
TNC
Q4 25
19.4%
-1.4%
Q3 25
13.2%
7.4%
Q2 25
24.2%
9.6%
Q1 25
21.9%
6.8%
Q4 24
24.2%
2.3%
Q3 24
29.8%
9.7%
Q2 24
30.3%
11.7%
Q1 24
27.9%
12.1%
Net Margin
AMPH
AMPH
TNC
TNC
Q4 25
13.3%
-1.5%
Q3 25
9.0%
4.9%
Q2 25
17.8%
6.3%
Q1 25
14.8%
4.5%
Q4 24
20.4%
2.0%
Q3 24
21.1%
6.6%
Q2 24
20.8%
8.4%
Q1 24
25.1%
9.1%
EPS (diluted)
AMPH
AMPH
TNC
TNC
Q4 25
$0.51
$-0.21
Q3 25
$0.37
$0.80
Q2 25
$0.64
$1.08
Q1 25
$0.51
$0.69
Q4 24
$0.74
$0.35
Q3 24
$0.78
$1.09
Q2 24
$0.73
$1.45
Q1 24
$0.81
$1.49

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
TNC
TNC
Cash + ST InvestmentsLiquidity on hand
$282.8M
Total DebtLower is stronger
$608.7M
$273.2M
Stockholders' EquityBook value
$788.8M
$601.6M
Total Assets
$1.6B
$1.3B
Debt / EquityLower = less leverage
0.77×
0.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
TNC
TNC
Q4 25
$282.8M
Q3 25
$276.2M
Q2 25
$231.8M
Q1 25
$236.9M
Q4 24
$221.6M
Q3 24
$250.5M
Q2 24
$217.8M
Q1 24
$289.6M
Total Debt
AMPH
AMPH
TNC
TNC
Q4 25
$608.7M
$273.2M
Q3 25
$608.6M
$238.3M
Q2 25
$607.7M
$213.4M
Q1 25
$603.9M
$213.3M
Q4 24
$601.6M
$198.2M
Q3 24
$596.4M
$208.6M
Q2 24
$586.9M
$205.6M
Q1 24
$594.0M
$207.4M
Stockholders' Equity
AMPH
AMPH
TNC
TNC
Q4 25
$788.8M
$601.6M
Q3 25
$776.7M
$640.9M
Q2 25
$757.5M
$651.9M
Q1 25
$751.3M
$624.4M
Q4 24
$732.3M
$620.8M
Q3 24
$727.7M
$647.2M
Q2 24
$713.3M
$624.6M
Q1 24
$672.4M
$614.6M
Total Assets
AMPH
AMPH
TNC
TNC
Q4 25
$1.6B
$1.3B
Q3 25
$1.7B
$1.3B
Q2 25
$1.6B
$1.2B
Q1 25
$1.6B
$1.2B
Q4 24
$1.6B
$1.2B
Q3 24
$1.5B
$1.2B
Q2 24
$1.5B
$1.2B
Q1 24
$1.6B
$1.2B
Debt / Equity
AMPH
AMPH
TNC
TNC
Q4 25
0.77×
0.45×
Q3 25
0.78×
0.37×
Q2 25
0.80×
0.33×
Q1 25
0.80×
0.34×
Q4 24
0.82×
0.32×
Q3 24
0.82×
0.32×
Q2 24
0.82×
0.33×
Q1 24
0.88×
0.34×

Cash Flow & Capital Efficiency

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

Metric
AMPH
AMPH
TNC
TNC
Operating Cash FlowLast quarter
$32.9M
$14.2M
Free Cash FlowOCF − Capex
$24.6M
$9.7M
FCF MarginFCF / Revenue
13.4%
3.3%
Capex IntensityCapex / Revenue
4.5%
1.5%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M
$43.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
TNC
TNC
Q4 25
$32.9M
$14.2M
Q3 25
$52.6M
$28.7M
Q2 25
$35.6M
$22.5M
Q1 25
$35.1M
$-400.0K
Q4 24
$29.0M
$37.5M
Q3 24
$60.0M
$30.7M
Q2 24
$69.1M
$18.6M
Q1 24
$55.3M
$2.9M
Free Cash Flow
AMPH
AMPH
TNC
TNC
Q4 25
$24.6M
$9.7M
Q3 25
$47.2M
$22.3M
Q2 25
$25.0M
$18.7M
Q1 25
$24.4M
$-7.4M
Q4 24
$16.6M
$28.1M
Q3 24
$46.2M
$26.4M
Q2 24
$63.1M
$14.4M
Q1 24
$46.5M
$-100.0K
FCF Margin
AMPH
AMPH
TNC
TNC
Q4 25
13.4%
3.3%
Q3 25
24.6%
7.4%
Q2 25
14.3%
5.9%
Q1 25
14.3%
-2.6%
Q4 24
8.9%
8.5%
Q3 24
24.1%
8.4%
Q2 24
34.6%
4.4%
Q1 24
27.1%
-0.0%
Capex Intensity
AMPH
AMPH
TNC
TNC
Q4 25
4.5%
1.5%
Q3 25
2.8%
2.1%
Q2 25
6.1%
1.2%
Q1 25
6.3%
2.4%
Q4 24
6.7%
2.9%
Q3 24
7.2%
1.4%
Q2 24
3.3%
1.3%
Q1 24
5.1%
1.0%
Cash Conversion
AMPH
AMPH
TNC
TNC
Q4 25
1.35×
Q3 25
3.03×
1.93×
Q2 25
1.15×
1.11×
Q1 25
1.39×
-0.03×
Q4 24
0.76×
5.68×
Q3 24
1.48×
1.48×
Q2 24
1.82×
0.67×
Q1 24
1.28×
0.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMPH
AMPH

Other Products$62.4M34%
Baqsimi$46.7M26%
Primatenemist$27.9M15%
Epinephrine$17.1M9%
Lidocaine$14.9M8%
Glucagon$14.1M8%

TNC
TNC

Equipment Sales$165.5M57%
Parts And Consumables$69.1M24%
Service And Other$57.0M20%

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