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Side-by-side financial comparison of NRX Pharmaceuticals, Inc. (NRXP) and Serve Robotics Inc. (SERV). Click either name above to swap in a different company.

NRX Pharmaceuticals, Inc. is the larger business by last-quarter revenue ($983.0K vs $881.5K, roughly 1.1× Serve Robotics Inc.). NRX Pharmaceuticals, Inc. runs the higher net margin — 36.7% vs -3888.1%, a 3924.8% gap on every dollar of revenue.

NRX Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company focused on developing innovative therapies for unmet medical needs in central nervous system disorders, including rare neuropsychiatric conditions. Its main target market is the U.S., with lead product candidates addressing severe mood and trauma-related disorders.

Ecovacs Robotics is a Chinese technology company. It is best known for developing in-home robotic appliances. The company was founded in 1998 by Qian Dongqi and is headquartered in Suzhou, China. According to Global Asia, Ecovacs Robotics had more than 60% of the Chinese market for robots by 2013. In 2023, Nikkei Asia had reported that the market capitalisation of Ecovacs Robotics has grown to near $6.38 billion, which is "roughly 5 times" that of the market capitalisation of rivalling US bas...

NRXP vs SERV — Head-to-Head

Bigger by revenue
NRXP
NRXP
1.1× larger
NRXP
$983.0K
$881.5K
SERV
Higher net margin
NRXP
NRXP
3924.8% more per $
NRXP
36.7%
-3888.1%
SERV

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NRXP
NRXP
SERV
SERV
Revenue
$983.0K
$881.5K
Net Profit
$361.0K
$-34.3M
Gross Margin
-757.3%
Operating Margin
-4572.1%
Net Margin
36.7%
-3888.1%
Revenue YoY
400.1%
Net Profit YoY
104.0%
-161.3%
EPS (diluted)
$-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
NRXP
NRXP
SERV
SERV
Q4 25
$983.0K
$881.5K
Q3 25
$242.0K
$687.0K
Q2 25
$0
$642.0K
Q1 25
$0
$440.5K
Q4 24
$176.3K
Q3 24
$0
$222.0K
Q2 24
$468.0K
Q1 24
$946.7K
Net Profit
NRXP
NRXP
SERV
SERV
Q4 25
$361.0K
$-34.3M
Q3 25
$-5.9M
$-33.0M
Q2 25
$-17.6M
$-20.9M
Q1 25
$-5.5M
$-13.2M
Q4 24
$-13.1M
Q3 24
$-1.6M
$-8.0M
Q2 24
$-9.0M
Q1 24
$-9.0M
Gross Margin
NRXP
NRXP
SERV
SERV
Q4 25
-757.3%
Q3 25
59.9%
-637.4%
Q2 25
-445.3%
Q1 25
-333.4%
Q4 24
-371.7%
Q3 24
-70.3%
Q2 24
30.3%
Q1 24
62.8%
Operating Margin
NRXP
NRXP
SERV
SERV
Q4 25
-4572.1%
Q3 25
-1662.8%
-5067.8%
Q2 25
-3527.1%
Q1 25
-3406.6%
Q4 24
-7701.3%
Q3 24
-3804.1%
Q2 24
-1828.2%
Q1 24
-814.6%
Net Margin
NRXP
NRXP
SERV
SERV
Q4 25
36.7%
-3888.1%
Q3 25
-2433.9%
-4806.4%
Q2 25
-3247.7%
Q1 25
-3000.5%
Q4 24
-7441.8%
Q3 24
-3601.8%
Q2 24
-1931.2%
Q1 24
-954.7%
EPS (diluted)
NRXP
NRXP
SERV
SERV
Q4 25
$-0.50
Q3 25
$-0.54
Q2 25
$-0.36
Q1 25
$-0.23
Q4 24
$-0.23
Q3 24
$-0.20
Q2 24
$-0.27
Q1 24
$-0.37

Balance Sheet & Financial Strength

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

Metric
NRXP
NRXP
SERV
SERV
Cash + ST InvestmentsLiquidity on hand
$7.8M
$106.2M
Total DebtLower is stronger
Stockholders' EquityBook value
$-15.9M
$350.7M
Total Assets
$13.0M
$367.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NRXP
NRXP
SERV
SERV
Q4 25
$7.8M
$106.2M
Q3 25
$7.2M
$116.8M
Q2 25
$2.9M
$116.7M
Q1 25
$5.5M
$197.8M
Q4 24
$123.3M
Q3 24
$1.6M
$50.9M
Q2 24
$28.8M
Q1 24
Stockholders' Equity
NRXP
NRXP
SERV
SERV
Q4 25
$-15.9M
$350.7M
Q3 25
$-25.8M
$283.9M
Q2 25
$-35.6M
$207.2M
Q1 25
$-25.2M
$210.2M
Q4 24
$131.7M
Q3 24
$-18.8M
$56.2M
Q2 24
$28.5M
Q1 24
$-8.8M
Total Assets
NRXP
NRXP
SERV
SERV
Q4 25
$13.0M
$367.8M
Q3 25
$15.0M
$299.1M
Q2 25
$4.8M
$214.3M
Q1 25
$7.6M
$216.6M
Q4 24
$139.6M
Q3 24
$4.5M
$61.5M
Q2 24
$32.8M
Q1 24
$4.2M

Cash Flow & Capital Efficiency

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

Metric
NRXP
NRXP
SERV
SERV
Operating Cash FlowLast quarter
$-3.7M
$-29.6M
Free Cash FlowOCF − Capex
$-46.1M
FCF MarginFCF / Revenue
-5234.4%
Capex IntensityCapex / Revenue
1872.1%
Cash ConversionOCF / Net Profit
-10.29×
TTM Free Cash FlowTrailing 4 quarters
$-117.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NRXP
NRXP
SERV
SERV
Q4 25
$-3.7M
$-29.6M
Q3 25
$-2.9M
$-25.2M
Q2 25
$-4.0M
$-16.0M
Q1 25
$-3.5M
$-9.5M
Q4 24
$-6.3M
Q3 24
$-2.3M
$-5.5M
Q2 24
$-5.7M
Q1 24
$-4.1M
Free Cash Flow
NRXP
NRXP
SERV
SERV
Q4 25
$-46.1M
Q3 25
$-36.5M
Q2 25
$-22.0M
Q1 25
$-12.9M
Q4 24
$-11.1M
Q3 24
$-10.1M
Q2 24
$-6.5M
Q1 24
$-4.1M
FCF Margin
NRXP
NRXP
SERV
SERV
Q4 25
-5234.4%
Q3 25
-5314.1%
Q2 25
-3426.8%
Q1 25
-2934.1%
Q4 24
-6307.8%
Q3 24
-4529.7%
Q2 24
-1396.6%
Q1 24
-431.1%
Capex Intensity
NRXP
NRXP
SERV
SERV
Q4 25
1872.1%
Q3 25
1649.6%
Q2 25
940.4%
Q1 25
785.7%
Q4 24
2755.1%
Q3 24
2070.7%
Q2 24
169.8%
Q1 24
0.4%
Cash Conversion
NRXP
NRXP
SERV
SERV
Q4 25
-10.29×
Q3 25
Q2 25
Q1 25
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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