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Side-by-side financial comparison of CATALYST PHARMACEUTICALS, INC. (CPRX) and Ribbon Communications Inc. (RBBN). Click either name above to swap in a different company.

Ribbon Communications Inc. is the larger business by last-quarter revenue ($162.6M vs $152.6M, roughly 1.1× CATALYST PHARMACEUTICALS, INC.). Ribbon Communications Inc. runs the higher net margin — 54.8% vs 34.5%, a 20.2% gap on every dollar of revenue. On growth, CATALYST PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (7.6% vs -10.3%). Over the past eight quarters, CATALYST PHARMACEUTICALS, INC.'s revenue compounded faster (24.5% CAGR vs -8.1%).

Catalyst Pharmaceuticals, Inc. is a biopharmaceutical company based in Coral Gables, Florida, United States. The company develops medicines for rare diseases, including the phosphate salt of amifampridine for the treatment of Lambert–Eaton myasthenic syndrome (LEMS). The drug is referred to under the trade name Firdapse, which was approved by the FDA for approved use in children 6 years and older with LEMS in addition to the prior approval for use in adults with LEMS on November 28, 2018. Fir...

Ribbon Communications Inc. is a public company that makes software, IP and optical networking solutions for service providers, enterprises and critical infrastructure sectors. The company was formed in 2017, following the merger of Genband and Sonus Networks and is headquartered in Plano, Texas.

CPRX vs RBBN — Head-to-Head

Bigger by revenue
RBBN
RBBN
1.1× larger
RBBN
$162.6M
$152.6M
CPRX
Growing faster (revenue YoY)
CPRX
CPRX
+17.9% gap
CPRX
7.6%
-10.3%
RBBN
Higher net margin
RBBN
RBBN
20.2% more per $
RBBN
54.8%
34.5%
CPRX
Faster 2-yr revenue CAGR
CPRX
CPRX
Annualised
CPRX
24.5%
-8.1%
RBBN

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CPRX
CPRX
RBBN
RBBN
Revenue
$152.6M
$162.6M
Net Profit
$52.7M
$89.1M
Gross Margin
82.9%
42.9%
Operating Margin
40.5%
37.6%
Net Margin
34.5%
54.8%
Revenue YoY
7.6%
-10.3%
Net Profit YoY
-5.8%
EPS (diluted)
$0.40
$0.50

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
CPRX
CPRX
RBBN
RBBN
Q1 26
$162.6M
Q4 25
$152.6M
$227.3M
Q3 25
$148.4M
$215.4M
Q2 25
$146.6M
$220.6M
Q1 25
$141.4M
$181.3M
Q4 24
$141.8M
$251.4M
Q3 24
$128.7M
$210.2M
Q2 24
$122.7M
$192.6M
Net Profit
CPRX
CPRX
RBBN
RBBN
Q1 26
$89.1M
Q4 25
$52.7M
Q3 25
$52.8M
$-12.1M
Q2 25
$52.1M
$-11.1M
Q1 25
$56.7M
$-26.2M
Q4 24
$55.9M
Q3 24
$43.9M
$-13.4M
Q2 24
$40.8M
$-16.8M
Gross Margin
CPRX
CPRX
RBBN
RBBN
Q1 26
42.9%
Q4 25
82.9%
53.3%
Q3 25
84.7%
50.1%
Q2 25
85.9%
49.6%
Q1 25
87.3%
45.4%
Q4 24
84.7%
55.7%
Q3 24
85.0%
52.1%
Q2 24
87.4%
50.8%
Operating Margin
CPRX
CPRX
RBBN
RBBN
Q1 26
37.6%
Q4 25
40.5%
4.1%
Q3 25
44.7%
1.3%
Q2 25
45.2%
1.9%
Q1 25
44.8%
-10.8%
Q4 24
44.3%
13.2%
Q3 24
39.6%
-0.4%
Q2 24
44.2%
-1.0%
Net Margin
CPRX
CPRX
RBBN
RBBN
Q1 26
54.8%
Q4 25
34.5%
Q3 25
35.6%
-5.6%
Q2 25
35.6%
-5.0%
Q1 25
40.1%
-14.5%
Q4 24
39.4%
Q3 24
34.1%
-6.4%
Q2 24
33.2%
-8.7%
EPS (diluted)
CPRX
CPRX
RBBN
RBBN
Q1 26
$0.50
Q4 25
$0.40
$0.50
Q3 25
$0.42
$-0.07
Q2 25
$0.41
$-0.06
Q1 25
$0.45
$-0.15
Q4 24
$0.44
$0.05
Q3 24
$0.35
$-0.08
Q2 24
$0.33
$-0.10

Balance Sheet & Financial Strength

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

Metric
CPRX
CPRX
RBBN
RBBN
Cash + ST InvestmentsLiquidity on hand
$709.2M
$67.6M
Total DebtLower is stronger
Stockholders' EquityBook value
$954.3M
$419.1M
Total Assets
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CPRX
CPRX
RBBN
RBBN
Q1 26
$67.6M
Q4 25
$709.2M
$96.4M
Q3 25
$689.9M
$74.8M
Q2 25
$652.8M
$60.5M
Q1 25
$580.7M
$71.2M
Q4 24
$517.6M
$87.8M
Q3 24
$442.3M
$37.2M
Q2 24
$375.7M
$64.6M
Total Debt
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
$342.1M
Q3 25
$344.3M
Q2 25
$346.5M
Q1 25
$347.4M
Q4 24
$348.3M
Q3 24
$349.1M
Q2 24
$350.0M
Stockholders' Equity
CPRX
CPRX
RBBN
RBBN
Q1 26
$419.1M
Q4 25
$954.3M
$449.0M
Q3 25
$920.2M
$360.1M
Q2 25
$856.0M
$370.4M
Q1 25
$794.3M
$381.8M
Q4 24
$727.6M
$404.6M
Q3 24
$660.9M
$395.5M
Q2 24
$608.7M
$405.0M
Total Assets
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
$1.1B
$1.2B
Q3 25
$1.1B
$1.1B
Q2 25
$971.9M
$1.1B
Q1 25
$908.9M
$1.1B
Q4 24
$851.4M
$1.2B
Q3 24
$772.0M
$1.1B
Q2 24
$706.4M
$1.1B
Debt / Equity
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
0.76×
Q3 25
0.96×
Q2 25
0.94×
Q1 25
0.91×
Q4 24
0.86×
Q3 24
0.88×
Q2 24
0.86×

Cash Flow & Capital Efficiency

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

Metric
CPRX
CPRX
RBBN
RBBN
Operating Cash FlowLast quarter
$44.9M
Free Cash FlowOCF − Capex
$44.9M
FCF MarginFCF / Revenue
29.4%
Capex IntensityCapex / Revenue
0.0%
Cash ConversionOCF / Net Profit
0.85×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
$44.9M
$29.2M
Q3 25
$32.4M
$26.5M
Q2 25
$71.3M
$-795.0K
Q1 25
$60.0M
$-3.5M
Q4 24
$70.9M
$61.8M
Q3 24
$72.9M
$-14.8M
Q2 24
$64.1M
$-9.8M
Free Cash Flow
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
$44.9M
$27.3M
Q3 25
$21.0M
Q2 25
$71.3M
$-6.5M
Q1 25
$-15.7M
Q4 24
$70.8M
$53.8M
Q3 24
$72.6M
$-23.7M
Q2 24
$64.1M
$-12.9M
FCF Margin
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
29.4%
12.0%
Q3 25
9.7%
Q2 25
48.6%
-2.9%
Q1 25
-8.7%
Q4 24
49.9%
21.4%
Q3 24
56.4%
-11.3%
Q2 24
52.3%
-6.7%
Capex Intensity
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
0.0%
0.9%
Q3 25
0.0%
2.6%
Q2 25
0.0%
2.6%
Q1 25
0.0%
6.7%
Q4 24
0.1%
3.2%
Q3 24
0.2%
4.2%
Q2 24
0.0%
1.6%
Cash Conversion
CPRX
CPRX
RBBN
RBBN
Q1 26
Q4 25
0.85×
Q3 25
0.61×
Q2 25
1.37×
Q1 25
1.06×
Q4 24
1.27×
Q3 24
1.66×
Q2 24
1.57×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CPRX
CPRX

Firdapse$97.6M64%
Agamree$35.3M23%
Fycompa$19.6M13%

RBBN
RBBN

Service$94.5M58%
Product$68.1M42%

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