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

SentinelOne, Inc. is the larger business by last-quarter revenue ($258.9M vs $183.1M, roughly 1.4× Amphastar Pharmaceuticals, Inc.). Amphastar Pharmaceuticals, Inc. runs the higher net margin — 13.3% vs -23.3%, a 36.6% gap on every dollar of revenue. On growth, SentinelOne, Inc. posted the faster year-over-year revenue change (22.9% vs -1.8%). Amphastar Pharmaceuticals, Inc. produced more free cash flow last quarter ($24.6M vs $20.9M).

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.

SentinelOne, Inc. is an American cybersecurity company listed on NYSE based in Mountain View, California. The company was founded in 2013 by Tomer Weingarten, Almog Cohen and Ehud ("Udi") Shamir. Weingarten acts as the company's CEO. The company has approximately 2,800 employees and offices in Mountain View, Boston, Prague, Tokyo, and Tel Aviv. The company uses machine learning for monitoring personal computers, IoT devices, and cloud workloads. The company's platform utilizes a heuristic mod...

AMPH vs S — Head-to-Head

Bigger by revenue
S
S
1.4× larger
S
$258.9M
$183.1M
AMPH
Growing faster (revenue YoY)
S
S
+24.7% gap
S
22.9%
-1.8%
AMPH
Higher net margin
AMPH
AMPH
36.6% more per $
AMPH
13.3%
-23.3%
S
More free cash flow
AMPH
AMPH
$3.7M more FCF
AMPH
$24.6M
$20.9M
S

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
AMPH
AMPH
S
S
Revenue
$183.1M
$258.9M
Net Profit
$24.4M
$-60.3M
Gross Margin
46.8%
73.8%
Operating Margin
19.4%
-28.3%
Net Margin
13.3%
-23.3%
Revenue YoY
-1.8%
22.9%
Net Profit YoY
-35.7%
23.1%
EPS (diluted)
$0.51
$-0.18

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
S
S
Q4 25
$183.1M
$258.9M
Q3 25
$191.8M
$242.2M
Q2 25
$174.4M
$229.0M
Q1 25
$170.5M
Q4 24
$186.5M
Q3 24
$191.2M
Q2 24
$182.4M
Q1 24
$171.8M
Net Profit
AMPH
AMPH
S
S
Q4 25
$24.4M
$-60.3M
Q3 25
$17.4M
$-72.0M
Q2 25
$31.0M
$-208.2M
Q1 25
$25.3M
Q4 24
$38.0M
Q3 24
$40.4M
Q2 24
$37.9M
Q1 24
$43.2M
Gross Margin
AMPH
AMPH
S
S
Q4 25
46.8%
73.8%
Q3 25
51.4%
75.0%
Q2 25
49.6%
75.3%
Q1 25
50.0%
Q4 24
46.5%
Q3 24
53.3%
Q2 24
52.2%
Q1 24
52.4%
Operating Margin
AMPH
AMPH
S
S
Q4 25
19.4%
-28.3%
Q3 25
13.2%
-33.3%
Q2 25
24.2%
-38.2%
Q1 25
21.9%
Q4 24
24.2%
Q3 24
29.8%
Q2 24
30.3%
Q1 24
27.9%
Net Margin
AMPH
AMPH
S
S
Q4 25
13.3%
-23.3%
Q3 25
9.0%
-29.7%
Q2 25
17.8%
-90.9%
Q1 25
14.8%
Q4 24
20.4%
Q3 24
21.1%
Q2 24
20.8%
Q1 24
25.1%
EPS (diluted)
AMPH
AMPH
S
S
Q4 25
$0.51
$-0.18
Q3 25
$0.37
$-0.22
Q2 25
$0.64
$-0.63
Q1 25
$0.51
Q4 24
$0.74
Q3 24
$0.78
Q2 24
$0.73
Q1 24
$0.81

Balance Sheet & Financial Strength

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

Metric
AMPH
AMPH
S
S
Cash + ST InvestmentsLiquidity on hand
$282.8M
$649.8M
Total DebtLower is stronger
$608.7M
Stockholders' EquityBook value
$788.8M
$1.5B
Total Assets
$1.6B
$2.4B
Debt / EquityLower = less leverage
0.77×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMPH
AMPH
S
S
Q4 25
$282.8M
$649.8M
Q3 25
$276.2M
$810.8M
Q2 25
$231.8M
$766.9M
Q1 25
$236.9M
Q4 24
$221.6M
Q3 24
$250.5M
Q2 24
$217.8M
Q1 24
$289.6M
Total Debt
AMPH
AMPH
S
S
Q4 25
$608.7M
Q3 25
$608.6M
Q2 25
$607.7M
Q1 25
$603.9M
Q4 24
$601.6M
Q3 24
$596.4M
Q2 24
$586.9M
Q1 24
$594.0M
Stockholders' Equity
AMPH
AMPH
S
S
Q4 25
$788.8M
$1.5B
Q3 25
$776.7M
$1.5B
Q2 25
$757.5M
$1.5B
Q1 25
$751.3M
Q4 24
$732.3M
Q3 24
$727.7M
Q2 24
$713.3M
Q1 24
$672.4M
Total Assets
AMPH
AMPH
S
S
Q4 25
$1.6B
$2.4B
Q3 25
$1.7B
$2.4B
Q2 25
$1.6B
$2.4B
Q1 25
$1.6B
Q4 24
$1.6B
Q3 24
$1.5B
Q2 24
$1.5B
Q1 24
$1.6B
Debt / Equity
AMPH
AMPH
S
S
Q4 25
0.77×
Q3 25
0.78×
Q2 25
0.80×
Q1 25
0.80×
Q4 24
0.82×
Q3 24
0.82×
Q2 24
0.82×
Q1 24
0.88×

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
S
S
Operating Cash FlowLast quarter
$32.9M
$21.0M
Free Cash FlowOCF − Capex
$24.6M
$20.9M
FCF MarginFCF / Revenue
13.4%
8.1%
Capex IntensityCapex / Revenue
4.5%
0.0%
Cash ConversionOCF / Net Profit
1.35×
TTM Free Cash FlowTrailing 4 quarters
$121.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMPH
AMPH
S
S
Q4 25
$32.9M
$21.0M
Q3 25
$52.6M
$-1.0M
Q2 25
$35.6M
$52.3M
Q1 25
$35.1M
Q4 24
$29.0M
Q3 24
$60.0M
Q2 24
$69.1M
Q1 24
$55.3M
Free Cash Flow
AMPH
AMPH
S
S
Q4 25
$24.6M
$20.9M
Q3 25
$47.2M
$-1.3M
Q2 25
$25.0M
$52.1M
Q1 25
$24.4M
Q4 24
$16.6M
Q3 24
$46.2M
Q2 24
$63.1M
Q1 24
$46.5M
FCF Margin
AMPH
AMPH
S
S
Q4 25
13.4%
8.1%
Q3 25
24.6%
-0.5%
Q2 25
14.3%
22.8%
Q1 25
14.3%
Q4 24
8.9%
Q3 24
24.1%
Q2 24
34.6%
Q1 24
27.1%
Capex Intensity
AMPH
AMPH
S
S
Q4 25
4.5%
0.0%
Q3 25
2.8%
0.1%
Q2 25
6.1%
0.1%
Q1 25
6.3%
Q4 24
6.7%
Q3 24
7.2%
Q2 24
3.3%
Q1 24
5.1%
Cash Conversion
AMPH
AMPH
S
S
Q4 25
1.35×
Q3 25
3.03×
Q2 25
1.15×
Q1 25
1.39×
Q4 24
0.76×
Q3 24
1.48×
Q2 24
1.82×
Q1 24
1.28×

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%

S
S

US$154.8M60%
Non Us$104.1M40%

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