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Nephros, Inc. (NEPH)

Nephros, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Nephros, Inc. (NEPH) is a Medical - Instruments & Supplies company based in US with a market capitalization of $40.2M. Revenue grew 32.7% year-over-year and the company generated $1.6M in free cash flow. This page tracks NEPH's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 31 employees · IPO Sep 21, 2004

Valuation

Valuation & price

$3.13 · as of May 17, 2026 · -45.9% vs 52w high

28.8

P/E ratio

Latest-FY diluted EPS

3.94

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$5.79$4.29$2.78Jul 25Dec 25Jul 26Jul 7, 25$4.08Jul 9, 25$3.73Jul 11, 25$3.60Jul 15, 25$3.53Jul 17, 25$3.58Jul 21, 25$3.57Jul 23, 25$3.53Jul 25, 25$3.57Jul 29, 25$3.47Jul 31, 25$3.55Aug 4, 25$3.24Aug 6, 25$3.00Aug 11, 25$4.49Aug 13, 25$4.12Aug 15, 25$4.25Aug 19, 25$4.13Aug 21, 25$4.02Aug 25, 25$4.19Aug 27, 25$4.05Aug 29, 25$3.73Sep 3, 25$4.15Sep 5, 25$3.83Sep 9, 25$4.40Sep 11, 25$4.21Sep 16, 25$4.31Sep 18, 25$4.06Sep 22, 25$4.31Sep 24, 25$4.15Sep 26, 25$4.45Sep 30, 25$4.73Oct 2, 25$4.64Oct 6, 25$5.44Oct 8, 25$5.16Oct 10, 25$5.40Oct 14, 25$5.38Oct 16, 25$5.33Oct 21, 25$4.85Oct 23, 25$5.14Oct 27, 25$5.42Oct 29, 25$5.45Oct 31, 25$5.70Nov 4, 25$5.20Nov 6, 25$5.20Nov 10, 25$4.29Nov 12, 25$4.56Nov 14, 25$4.40Nov 18, 25$5.45Nov 20, 25$4.92Nov 25, 25$5.69Nov 28, 25$4.88Dec 2, 25$5.31Dec 4, 25$5.79Dec 8, 25$4.93Dec 10, 25$5.12Dec 12, 25$5.02Dec 16, 25$4.85Dec 18, 25$5.07Dec 22, 25$4.85Dec 24, 25$5.23Dec 29, 25$4.87Jan 2, 26$4.75Jan 6, 26$5.41Jan 8, 26$5.01Jan 12, 26$4.54Jan 14, 26$4.41Jan 16, 26$4.48Jan 21, 26$4.56Jan 23, 26$4.68Jan 27, 26$4.43Jan 29, 26$4.39Feb 2, 26$4.57Feb 4, 26$4.11Feb 9, 26$4.02Feb 11, 26$4.04Feb 13, 26$4.10Feb 18, 26$3.77Feb 20, 26$4.08Feb 24, 26$3.88Feb 26, 26$4.00Mar 2, 26$4.08Mar 4, 26$3.82Mar 6, 26$3.87Mar 10, 26$4.09Mar 12, 26$3.80Mar 17, 26$3.00Mar 19, 26$2.95Mar 23, 26$3.11Mar 25, 26$3.02Mar 27, 26$2.89Mar 31, 26$2.98Apr 2, 26$2.87Apr 7, 26$2.78Apr 9, 26$2.91Apr 13, 26$2.91Apr 15, 26$3.11Apr 17, 26$2.95Apr 22, 26$2.84Apr 24, 26$2.87Apr 28, 26$3.32Apr 30, 26$3.16May 4, 26$3.07May 6, 26$3.22May 8, 26$3.52May 12, 26$3.01May 14, 26$3.34May 18, 26$3.68May 20, 26$3.57May 22, 26$3.47May 28, 26$3.70Jun 1, 26$3.69Jun 3, 26$3.64Jun 5, 26$3.42Jun 9, 26$3.25Jun 11, 26$3.33Jun 15, 26$3.13Jun 17, 26$3.20Jun 22, 26$3.26Jun 24, 26$3.35Jun 26, 26$3.61Jul 2, 26$3.40
$2.7852-week range$5.79
Loading valuation history…

Fundamentals

Key fundamentals

$40.2M

Market cap

32.7%

Revenue growth (YoY)

61.1%

Gross margin

$1.6M

Free cash flow (USD)

-$4.3M

Net debt

Net cash position

0.8%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$2.3MFY 2017$3.8MFY 2018$5.7MFY 2019$10.3MFY 2020$8.6MFY 2021$10.2MFY 2022$10.0MFY 2023$14.2MFY 2024$14.2MFY 2025$18.8M
$2.3M$18.8M

Free cash flow by year

2016 → 2025

FY 2016$-2.2MFY 2017$-77.0KFY 2018$-3.7MFY 2019$-2.3MFY 2020$-7.1MFY 2021$-1.5MFY 2022$-3.4MFY 2023$752.0KFY 2024$-547.0KFY 2025$1.6M
-$2.2M$1.6M

Gross margin by year

2021 → 2025

FY 202155.1%FY 202247.4%FY 202359.0%FY 202461.6%FY 202561.1%
55.1%61.1%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 7, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventCorporate Presentation UpdateJun 15, 2026Filing
  • Quarterly report10-Q FiledMay 7, 2026Filing
  • 8-K eventEarnings ReleaseMay 7, 2026Filing
  • Annual report10-K FiledApr 30, 2026Filing

Questions

Frequently asked questions

What is Nephros, Inc.'s market cap?

Nephros, Inc. (NEPH) has a market capitalization of $40.2M.

What is NEPH's P/E ratio?

NEPH trades at a price-to-earnings ratio of 28.8, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is NEPH's price-to-book (P/B) ratio?

NEPH trades at 3.94 times book value per share.

Are insiders buying NEPH stock?

SEC Form 4 filings show no open-market insider buys at Nephros, Inc. in the last 90 days (0 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.