NEPHROS INC (NEPH) Insider Trading & SEC Filings
Last SEC filing
NEPHROS INC (NEPH) has filed 1 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-12. 2 Form 8-K material event filings were reported by NEPH in the last 90 days. InsiderAlpha tracks every NEPH SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About NEPHROS INC (NEPH)
NEPHROS INC trades under the ticker NEPH. InsiderAlpha tracks 9 primary SEC Form 4 filings from 5 reporting insiders for NEPH since 2025, sourced directly from SEC EDGAR.
| Sector | Health Care insider trading |
|---|---|
| SIC classification | Surgical & Medical Instruments & Apparatus (SIC 3841) |
| SEC CIK | 0001196298 |
90-Day SEC Filing Activity
| Form 4 filings (90d) | 1 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Latest Form 4 filing | 2026-06-12 |
Recent NEPH Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Arthur H. Amron | Director | A - Grant or award | 3.6K | $0.00 | - | SEC | |
| Robert R. Banks Jr. | President and CEO | M - Option exercise | 120.0K | $1.44 | $173K | SEC | |
| Judy Krandel | Chief Financial Officer | M - Option exercise | 68.9K | $1.71 | $118K | SEC | |
| Arthur H. Amron | Director | A - Grant or award | 3.6K | $0.00 | - | SEC | |
| Arthur H. Amron | Director | A - Grant or award | 5.4K | $0.00 | - | SEC | |
| Lisa Marie Nettis | Director | A - Grant or award | 1.6K | $0.00 | - | SEC | |
| Oliver J. Spandow | Director | A - Grant or award | 8.0K | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for NEPHROS INC (NEPH). Updated in real time as new filings are submitted to the SEC.
Most-Active NEPH Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Arthur H. Amron | 1 | - |
Recent NEPH Form 8-K Material Events
- - Item 7.01, 9.01 [SEC]
- - Item 2.02, 9.01 [SEC]
- - Item 7.01, 9.01 · Other · neutral [SEC]
Nephros Inc. posted an updated 2026 Corporate Presentation on its corporate website on March 27, 2026. This is a routine disclosure of investor materials with no material business developments or announcements.
Recent Insider Filings
- - Arthur H. Amron (Director)
- - Robert R. Banks Jr. (President and CEO)
- - Judy Krandel (Chief Financial Officer)
- - Arthur H. Amron (Director)
- - Judy Krandel (Chief Financial Officer)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NEPH insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
NEPH Insider Trading - FAQ
- What is the latest insider trade for NEPH?
- NEPHROS INC (NEPH) had 1 insider filings in the last 90 days, with the most recent on 2026-06-12. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying NEPH stock?
- 0 insider purchases of NEPH were filed in the last 90 days.
- How many insiders are selling NEPH stock?
- 0 insider sales of NEPH were filed in the last 90 days.
- Where can I see NEPH SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks NEPH Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live NEPH dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.