Nephros Inc key statistics and ratios

In fiscal 2025, Nephros Inc had return on equity of 12.7%, an operating margin of 6.1%, debt equal to 0.0% of equity and a current ratio of 4.06. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Nephros Inc: financial ratios, annual
Fiscal year	2010Dec 2010	2011Dec 2011	2012Dec 2012	2013Dec 2013	2014Dec 2014	2015Dec 2015	2016Dec 2016	2017Dec 2017	2018Dec 2018	2019Dec 2019	2020Dec 2020	2021Dec 2021	2022Dec 2022	2023Dec 2023	2024Dec 2024	2025Dec 2025	LTMJun 2026
Gross margin	38.2%	39.2%	59.2%	48.4%	68.6%	54.5%	55.8%	60.2%	56.3%	58.9%	57.4%	55.1%	47.4%	59.0%	61.6%	61.9%	61.3%
Operating margin	−64.3%	−104.3%	−184.4%	−190.6%	−152.7%	−176.0%	−123.7%	−58.4%	−53.0%	−30.5%	−49.9%	−31.8%	−43.5%	−11.2%	0.0%	6.1%	7.9%
Net margin	132.1%	−316.1%	−366.5%	76.0%	−421.7%	−158.8%	−130.7%	−21.2%	−59.8%	−30.8%	−52.9%	−37.8%	−74.0%	−11.1%	0.5%	6.4%	8.4%
Free-cash-flow margin	−45.0%	—	−86.1%	−205.9%	—	−196.9%	−93.0%	—	—	−22.2%	−83.4%	−14.2%	−33.8%	5.3%	−3.9%	8.5%	−3.4%
Return on equity	—	—	—	—	—	—	—	−61.8%	−118.4%	−75.0%	−52.6%	−31.9%	−85.4%	−22.6%	0.9%	12.7%	15.7%
Return on assets	244.0%	−250.6%	−176.1%	41.2%	−235.6%	−84.2%	−91.2%	−21.1%	−43.8%	−28.7%	−30.0%	−21.4%	−51.5%	−13.8%	0.6%	9.6%	11.8%
Asset turnover	1.85	0.79	0.48	0.54	0.56	0.53	0.70	0.99	0.73	0.93	0.57	0.57	0.70	1.25	1.23	1.51	1.41
Current ratio	1.02	2.72	0.41	0.28	1.35	2.57	1.41	2.04	3.08	3.42	11.44	5.70	5.85	3.98	5.31	4.06	4.07
Debt to equity	370.4%	0.0%	—	—	—	—	125.6%	85.4%	53.4%	29.6%	4.7%	2.9%	1.3%	—	0.0%	0.0%	0.0%
Interest cover (operating income ÷ interest)	n/m	n/m	—	n/m	n/m	n/m	n/m	n/m	n/m	n/m	n/m	n/m	n/m	n/m	6.0x	—	—
Effective tax rate	—	—	—	—	—	—	—	—	—	—	—	—	—	—	16.9%	1.0%	—
R&D as % of revenue	12.3%	20.4%	35.0%	49.8%	44.7%	42.5%	46.5%	26.3%	27.1%	29.9%	32.2%	14.7%	12.6%	6.1%	6.4%	7.1%	7.0%
SG&A as % of revenue	85.8%	119.1%	200.3%	176.4%	164.2%	177.1%	123.0%	86.6%	79.4%	59.2%	75.5%	70.4%	76.1%	62.6%	54.2%	47.9%	45.8%
Capital spending as % of revenue	1.0%	—	0.4%	0.0%	—	0.7%	1.9%	—	—	0.1%	2.8%	0.4%	1.4%	0.5%	0.4%	0.0%	0.0%
Free cash flow ÷ net income	−34.1%	—	—	−271.0%	—	—	—	—	—	—	—	—	—	—	−739.2%	134.0%	−40.7%

US$ thousands unless shown otherwise. Fiscal quarters.

Nephros Inc: financial ratios, quarterly
Quarter	2024 Q3Sept 2024	2024 Q4Dec 2024	2025 Q1Mar 2025	2025 Q2Jun 2025	2025 Q3Sept 2025	2025 Q4Dec 2025	2026 Q1Mar 2026	2026 Q2Jun 2026
Gross margin	61.1%	64.0%	64.7%	63.2%	61.2%	58.4%	57.4%	66.9%
Operating margin	5.9%	8.2%	11.6%	5.6%	6.6%	0.4%	1.9%	20.2%
Net margin	5.2%	9.0%	11.4%	5.4%	7.1%	1.3%	2.7%	19.9%
Free-cash-flow margin	−17.7%	33.7%	—	22.5%	2.1%	3.9%	−32.1%	11.3%
Current ratio	6.95	5.31	5.92	5.41	4.34	4.06	4.55	4.07
R&D as % of revenue	5.3%	6.5%	6.0%	7.0%	7.1%	8.4%	6.6%	6.1%
SG&A as % of revenue	48.9%	48.4%	46.2%	49.8%	46.8%	49.0%	48.4%	40.2%

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

2 of 2 checks passed · June 30, 2026

What it owns · $16m

Short-term assets $14mLonger-term assets $2m

What it owes, and who funded it · $16m

Short-term liabilities $3mLonger-term liabilities $0mShareholders' equity $12m

Short-term assets cover short-term liabilities $14m of assets due within a year against $3m of liabilities due within a year.
Short-term assets cover long-term liabilities $14m short-term assets against $458,000 of longer-dated liabilities.
More cash than debt Cash or debt not separately reported. Not assessable.
Debt below 40% of shareholders' equity Equity or debt not reported. Not assessable.
Debt burden no higher than five years ago Five-year comparison not available. Not assessable.
A year's operating cash flow covers at least 20% of debt Cash flow or debt not reported. Not assessable.
Operating profit covers interest at least five times over Interest not separately reported. Not assessable.

From Nephros Inc's latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

31 /100

Weak moat

How hard Nephros's competitive advantage looks for rivals to wear away, judged from 10 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

Returns on capital 0 / 20

Cash operating profit has been a median -12.8% of total assets over 10 years.
Pricing power 18 / 20

Gross margin has been a median 58.3%, moving by 3.5 percentage points (standard deviation) across 10 years.
Durability 10 / 20

Operating margin has been a median -36.3%; its worst year was -90.7%.
Cash conversion 2 / 20

Free cash flow was positive in 1 of 6 years, at a median -5.7% of revenue.
Discipline 2 / 20

The diluted share count rose 15.5% over five years; stock-based pay has been a median 10.5% of revenue.

AI disruption exposure: Low. In this industry, the business rests on physical assets, regulated networks or products AI itself depends on.

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

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Figures from Nephros Inc's SEC filings (10-K and 10-Q), retrieved October 29, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Nephros Inc.