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Nephros (NEPH) Stock Price, News & Analysis

NEPH NASDAQ
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Price Move History

Daily moves over 5%
61 252 sessions, November 12, 2025 to November 12, 2026
Largest daily move
+23.4% close of November 17, 2025
1-year change
-27.4% closing prices, November 12, 2025 to November 12, 2026
1-month change
-7.3% closing prices, October 12, 2026 to November 12, 2026

Company Description

Nephros, Inc. (Nasdaq: NEPH) is a water technology company that focuses on filtration products and services for medical, healthcare, commercial, and industrial markets. According to company disclosures, Nephros is committed to improving the human relationship with water by providing filtration solutions and water-quality education as part of an integrated approach to water safety. Its products are designed to help protect against waterborne contaminants and support high levels of water quality in settings where water safety and regulatory compliance are critical.

Business focus and markets served

Nephros describes itself as a provider of filtration solutions to medical and commercial markets, and in some disclosures also notes service to industrial markets. Its goods serve customers within healthcare and commercial environments, and the company highlights applications in infection control, dialysis water, and broader commercial segments. Nephros also references proactive and emergency solutions for water management, indicating that its offerings are used both in routine operations and in response to compromised water events.

The company has developed filtration products that use advanced hollow-fiber technology and commercial filter media. These technologies are intended to deliver high filtration performance and help protect against waterborne contaminants. Nephros’ filters are positioned for use in environments that require strict water quality standards, such as healthcare facilities and other settings where water safety is closely monitored.

Product portfolio and technology

Public materials describe Nephros as a provider of filtration products that deliver what it characterizes as superior filtration performance. Its products are designed to help protect against contaminants in potable and process water. Nephros has introduced offerings under its infection control and dialysis water segments, and has also launched products aimed at broader commercial and industrial uses where water purity is important.

Nephros reports that its products incorporate hollow-fiber technology and effective commercial filter media. These technologies are used to support retention of microbiological and other contaminants in water. In its communications, the company emphasizes the role of its filters in supporting compliance with evolving water quality standards and guidelines in healthcare-related and other regulated environments.

Water safety, education, and integrated approach

Nephros states that it provides water filtration products and services, along with water-quality education, as part of an integrated approach to water safety. The company highlights educational programming focused on regulatory and risk-based topics, including standards and guidelines related to water safety, sterility, and emergency preparedness for compromised water events. Through webinars, speaking engagements, and tailored trainings with healthcare systems and consulting partners, Nephros reports that it has engaged professionals responsible for infection prevention and regulatory readiness.

To formalize these efforts, Nephros announced the launch of the Nephros Water Institute, described as a dedicated education initiative. The Institute is intended to provide structured, evidence-based curriculum for stakeholders who oversee water safety and regulatory compliance. Nephros characterizes education as an essential component of its commitment to water safety and its responsibility to the industry, positioning these activities alongside its filtration products and services.

Programmatic and emergency water management

In its financial communications, Nephros refers to a programmatic business built around recurring filter usage and service. The company notes that programmatic revenue is associated with reorders and active sites across key segments, including infection control, dialysis water, and commercial applications. Nephros also references emergency response revenue related to compromised water events, indicating that its solutions are used when facilities need rapid support to manage water quality issues.

The company has described the implementation of installation and replacement programs intended to deepen customer integration and support reliable reorder volume. It also notes growth in service revenue, which is linked to field installation, replacement capabilities, and other support activities that help facilities achieve results from their water treatment programs.

Product innovation and segment applications

Nephros reports ongoing investment in product innovation. It has announced new filtration products designed for specific regulatory and operational needs, including solutions aimed at infection control, dialysis water, and commercial and industrial uses. The company has also highlighted its ability to extend existing technologies into additional segments where water purity and contamination control are central concerns.

In its communications, Nephros points to applications in areas such as sterile processing, pharmaceuticals, and other industries that require strict water quality standards. The company positions its filtration products as tools to support compliance with standards and guidance that address microbiological contaminants and other waterborne risks.

Licensing and supply arrangements

Nephros has disclosed that it entered into a License and Supply Agreement with Medica S.p.A., an Italy-based medical product manufacturing company. Under this agreement, Medica granted Nephros an exclusive license to market, promote, distribute, offer for sale, and sell certain filtration products based on Medica’s proprietary Medisulfone ultrafiltration technology in conjunction with Nephros’ filtration products. In turn, Nephros granted Medica an exclusive license under Nephros’ intellectual property to make the licensed products during the term of the agreement.

The License and Supply Agreement superseded and replaced a prior agreement between the two companies. Nephros has agreed to minimum annual aggregate purchase commitments for the licensed products over a multi-year period, and the agreement includes customary representations, warranties, indemnification obligations, and termination provisions. The term extends through a specified date, subject to earlier termination under defined conditions.

Financial profile and revenue characteristics

Nephros’ public financial reports describe it as a commercial-stage company that generates revenue primarily from product sales, with additional contributions from service, royalty, and other revenues. The company has reported net revenue growth over recent reporting periods and has highlighted periods of profitability and positive adjusted EBITDA. It has also noted that programmatic revenue and emergency response sales are important components of its overall performance.

Nephros’ balance sheet disclosures show cash and cash equivalents, accounts receivable, inventory, intangible assets, goodwill, and license and supply agreements among its assets, along with lease liabilities and stockholders’ equity. The company has also stated that it remains debt free in certain reporting periods, while emphasizing that adjusted EBITDA is used as a supplemental, non-GAAP measure alongside net income or loss.

Within the broader water technology space, Nephros positions itself around point-of-use and related filtration for environments where water safety is closely tied to patient care, product quality, or regulatory oversight. Its communications highlight infection control and dialysis water as key healthcare-related segments, while also pointing to commercial and industrial markets where water quality is critical.

By combining filtration products, service capabilities, and water-quality education, Nephros presents a model that addresses both the technical and operational aspects of water safety. Its focus on standards, accreditation requirements, and emergency preparedness reflects the regulatory and risk-based context in which many of its customers operate.

Stock information and regulatory reporting

Nephros’ common stock trades on the Nasdaq Capital Market under the symbol NEPH. As a public company, it files periodic reports, current reports, and other documents with the U.S. Securities and Exchange Commission. These filings include annual reports on Form 10-K, quarterly reports on Form 10-Q, and current reports on Form 8-K that provide updates on financial results, material agreements, and other significant events.

Through these disclosures, investors and other stakeholders can review Nephros’ financial condition, operating performance, risk factors, and key contractual arrangements. The company also issues press releases to communicate financial results, product launches, educational initiatives, and participation in investor conferences.

Stock Performance

$3.04
-8.16%
-0.27
Last updated: November 13, 2026 at 13:10
-27.4%
Performance 1 year
$33.0M

Nephros (NEPH) closed at $3.31 on November 12, 2026. Over the past 12 months, the price has lost 27.4%.

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NEPH Metrics & Rankings

Price returns through November 12, 2026. Month and year figures include the first trading day. Ranking links may use different dates.

Financial Highlights

Nephros generated $18.8M in revenue in FY2025, retaining a 61.9% gross margin, operating income reached $1.1M (6.1% operating margin), and net income was $1.2M, reflecting a 6.3% net profit margin. Diluted earnings per share stood at $0.11. The company generated $1.6M in operating cash flow. The current ratio was 4.06, measuring current assets divided by current liabilities.

$18.8M
Revenue (FY2025)
$1.2M
Net Income (FY2025)
$1.6M
Operating Cash Flow

Upcoming Events

JUN
26
June 26, 2027 Corporate

Russell Index Membership End

Russell Microcap Index membership ends 2027-06-26; inclusion was effective 2026-06-26 and may affect institutional flows.

Nephros has 1 upcoming scheduled event. The next event, "Russell Index Membership End", is scheduled for June 26, 2027 (in 225 days). Investors can track these dates to stay informed about potential catalysts that may affect the NEPH stock price.

Short Interest History

Last 12 Months

Short interest in Nephros (NEPH) currently stands at 11.9 thousand shares, down 22.9% from the previous reporting period, representing 0.1% of the float. Since November 2025, short interest has increased by 86.4%.

Days to Cover History

Last 12 Months

Days to cover for Nephros (NEPH) currently stands at 1.0 days. The ratio is the reported short interest divided by the average daily trading volume. Across the settlements charted above, it has ranged from 1.0 to 4.2 days.

NEPH Company Profile & Sector Positioning

Nephros (NEPH) operates in the Medical Instruments & Supplies industry within the broader Healthcare sector and is listed on the NASDAQ.

Investors comparing NEPH often look at related companies in the same sector, including Milestone Scientific, Inc. (MLSS), Harvard Bioscience Inc (HBIO), Daxor Corporation (DXR), Retractable Technologies, Inc (RVP), and Bionano Genomics, Inc. (BNGO). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate NEPH's relative position within its industry.

Frequently Asked Questions

The current stock price of Nephros (NEPH) is $3.04 as of November 13, 2026.

The market cap of Nephros (NEPH) is approximately $33.0M. Learn more about what market capitalization means .

The FY2025 revenue of Nephros (NEPH) is $18.8M, from its most recent completed fiscal year.

The FY2025 net income of Nephros (NEPH) is $1.2M, from its most recent completed fiscal year.

The diluted earnings per share (EPS) of Nephros (NEPH) is $0.11 for FY2025, its most recent completed fiscal year. Learn more about EPS .

The operating cash flow of Nephros (NEPH) is $1.6M for FY2025, its most recent completed fiscal year. Learn about cash flow.

The net profit margin of Nephros (NEPH) is 6.3% for FY2025, its most recent completed fiscal year. Learn about profit margins.

The operating profit margin of Nephros (NEPH) is 6.1% for FY2025, its most recent completed fiscal year. Learn about operating margins.

The gross profit margin of Nephros (NEPH) is 61.9% for FY2025, its most recent completed fiscal year. Learn about gross margins.

The current ratio of Nephros (NEPH), current assets divided by current liabilities, was 4.06 at the end of FY2025, its most recent completed fiscal year. Learn about liquidity ratios.

The gross profit of Nephros (NEPH) is $11.6M for FY2025, its most recent completed fiscal year.

The operating income of Nephros (NEPH) is $1.1M for FY2025, its most recent completed fiscal year. Learn about operating income.

Nephros, Inc. is a water technology company that provides filtration products, services, and water-quality education to medical, healthcare, commercial, and industrial markets. Its solutions are designed to help protect against waterborne contaminants and support high levels of water quality.

Nephros reports that its goods serve customers within healthcare and commercial markets, and in some disclosures also references industrial markets. Key segments it highlights include infection control, dialysis water, and broader commercial applications where water safety and regulatory compliance are important.

Nephros states that its filtration products use advanced hollow-fiber technology and effective commercial filter media. These technologies are intended to deliver high filtration performance and help protect against waterborne contaminants in potable and process water.

The Nephros Water Institute is an education initiative launched by Nephros to formalize its role in industry education. It provides structured, evidence-based curriculum and programming on water safety, infection prevention, and regulatory readiness for professionals responsible for water systems.

In its financial communications, Nephros refers to programmatic business as recurring revenue associated with filter reorders and active sites across segments such as infection control, dialysis water, and commercial markets. The company links programmatic revenue to installation and replacement programs that support ongoing filter use.

Yes. Nephros notes that its goods support both proactive and emergency solutions for water management. It also references emergency response revenue related to compromised water events, indicating that its products and services are used when facilities need rapid support for water quality issues.

Nephros entered into a License and Supply Agreement with Medica S.p.A., under which Medica granted Nephros an exclusive license to market, promote, distribute, offer for sale, and sell certain filtration products based on Medica’s Medisulfone ultrafiltration technology. Nephros, in turn, granted Medica an exclusive license under Nephros’ intellectual property to make those products during the term of the agreement.

Nephros describes itself as a commercial-stage company that generates almost all of its revenue from product sales, with a smaller portion from service, royalty, and other revenues. It highlights programmatic filter usage and emergency response sales as important contributors to its financial performance.

Nephros states that it provides water-quality education alongside filtration products and services as part of an integrated approach to water safety. Through webinars, speaking engagements, and tailored training, the company focuses on regulatory standards, risk-based water safety, and emergency preparedness for compromised water events.

Nephros’ common stock trades on the Nasdaq Capital Market under the ticker symbol NEPH. As a public company, it files periodic and current reports with the U.S. Securities and Exchange Commission.