Nephros Inc
NEPH- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001196298
No open-market purchases or sales by Nephros Inc insiders were filed in the last 90 days; 33 institutions reported holding it in 13F filings for Q2 2026, worth $19.0M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Nephros Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Nephros Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Davidson Charles E | 10% Owner | 166,667Indirect | Sep 16, 2026 | 2 |
| Wexford Capital LP | 10% Owner | 166,667Indirect | Sep 16, 2026 | 2 |
| Jacobs Joseph | 10% Owner | 166,667Indirect | Sep 16, 2026 | 2 |
| Wexford GP LLC | 10% Owner | 166,667Indirect | Sep 16, 2026 | 2 |
| Amron Arthur H | Director | 25,546Indirect | Sep 16, 2026 | 5 |
| Amron Holdings LLC | Director | 25,546Indirect | Sep 16, 2026 | 1 |
| Krandel Judy | Chief Financial Officer | 68,861 | Mar 25, 2026 | 2 |
| Banks Robert R. Jr. | President and CEO | 190,000 | Mar 25, 2026 | 1 |
| Spandow Oliver J. | Director | 122,881 | Nov 13, 2025 | 1 |
| Nettis Lisa Marie | Director | 1,622 | Nov 13, 2025 | 1 |
| Lask Alisa | Director | 48,629 | Jan 3, 2025 | 0 |
| Harris Joseph Michael | Director | 17,693 | Jan 3, 2025 | 0 |
| Gwydir Tom | Director | 43,226 | Jan 9, 2023 | 0 |
| Astor Andrew | President, CEO & CFO | 92,773 | Mar 7, 2022 | 0 |
| Lobo Wesley S. | Chief Marketing Officer | 35,168 | Feb 18, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 30, 2024 (view filing) | May 28-30 | 2 days | Amron Arthur HDirector | PPurchase | +5.00K | $2.23 | +$11.2K | +5.1%103.5K after | 2 lots |
| May 16, 2024 (view filing) | May 16 | Same day | Banks Robert R. Jr.President and CEO | PPurchase | +50.0K | $2.24 | +$112.0K | +250.0%70.0K after | |
| Mar 14, 2024 (view filing) | Mar 12 | 2 days | Amron Arthur HDirector | PPurchase | +7.00K | $2.45 | +$17.1K | New position7.00K after | |
| Dec 11, 2023 (view filing) | Dec 7 | 4 days | Banks Robert R. Jr.President and CEO | PPurchase | +18.0K | $2.20 | +$39.6K | +900.0%20.0K after | |
| Aug 15, 2023 (view filing) | Aug 14-15 | 1 day | Banks Robert R. Jr.President and CEO | PPurchase | +2.00K | $1.68 | +$3.36K | New position2.00K after | 2 lots |
| Aug 23, 2021 (view filing) | Aug 20 | 3 days | Lobo Wesley S.Chief Marketing Officer | PPurchase | +1.00K | $7.92 | +$7.92K | +2.5%41.6K after | |
| Aug 19, 2021 (view filing) | Aug 18 | 1 day | Gwydir TomDirector | PPurchase | +5.00K | $7.64 | +$38.2K | +82.9%11.0K after | |
| Aug 18, 2021 (view filing) | Aug 17-18 | 1 day | Astor AndrewPresident & CEO | PPurchase | +5.00K | $7.72 | +$38.6K | +6.9%78.0K after | 2 lots |