NEPH Insider Trading
Insider Ownership Percentage: 6.70%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $0.00
Nephros Share Price & Price History
Current Price: $5.78
Price Change: ▲ Price Increase of +0.38 (7.04%)
As of 12/4/2025 05:00 PM ET
Nephros Insider Trading History
| Transaction Date | Insider Name | Title | Buy/Sell | Number of Shares | Average Share Price | Total Transaction | Shares Held After Transaction | Details |
|---|
| 5/30/2024 | Arthur H Amron | Director | Buy | 3,000 | $2.24 | $6,720.00 | 103,463 | |
| 5/28/2024 | Arthur H Amron | Director | Buy | 2,000 | $2.22 | $4,440.00 | 100,463 | |
| 5/16/2024 | Robert R Jr. Banks | CEO | Buy | 50,000 | $2.24 | $112,000.00 | 70,000 | |
| 12/7/2023 | Robert R Jr. Banks | CEO | Buy | 18,000 | $2.20 | $39,600.00 | 20,000 | |
| 8/14/2023 | Robert R Jr. Banks | CEO | Buy | 99 | $1.50 | $148.50 | 99 | |
Nephros Institutional Trading History
| Reporting Date | Hedge Fund | Shares Held | Market Value | % of Portfolio | Quarterly Change in Shares | Ownership in Company | Details |
|---|
| 11/17/2025 | Wexford Capital LP | 3,617,033 | $17.11M | 2.5% | +0.2% | 34.036% |  |
| 11/17/2025 | Susquehanna International Group LLP | 10,373 | $49K | 0.0% | -64.7% | 0.098% |  |
| 11/17/2025 | Citadel Advisors LLC | 16,545 | $78K | 0.0% | +39.2% | 0.156% |  |
| 11/17/2025 | Bard Associates Inc. | 127,121 | $0.60M | 0.2% | -3.1% | 1.196% |  |
| 11/14/2025 | Topline Capital Management LLC | 596,300 | $2.82M | 0.5% | +24.9% | 5.611% |  |
| 11/12/2025 | Dimensional Fund Advisors LP | 13,601 | $64K | 0.0% | N/A | 0.128% |  |
| 11/7/2025 | Vanguard Group Inc. | 281,306 | $1.33M | 0.0% | -13.0% | 2.654% |  |
| 8/15/2025 | Topline Capital Management LLC | 477,449 | $1.95M | 0.3% | +13.1% | 4.504% |  |
| 8/15/2025 | Elkhorn Partners Limited Partnership | 14,500 | $59K | 0.0% | -62.7% | 0.137% |  |
| 8/8/2025 | Geode Capital Management LLC | 93,187 | $0.38M | 0.0% | +3.2% | 0.879% |  |
| 5/12/2025 | Bard Associates Inc. | 143,221 | $0.25M | 0.1% | -7.8% | 1.351% |  |
| 2/14/2025 | Topline Capital Management LLC | 419,887 | $0.62M | 0.1% | N/A | 3.984% |  |
| 2/6/2025 | Bard Associates Inc. | 155,271 | $0.23M | 0.1% | -9.9% | 1.473% |  |
| 8/9/2024 | Dimensional Fund Advisors LP | 17,631 | $37K | 0.0% | N/A | 0.167% |  |
| 4/26/2024 | Mesirow Financial Investment Management Inc. | 15,383 | $34K | 0.0% | N/A | 0.146% |  |
| 2/10/2023 | Bard Associates Inc. | 194,789 | $0.23M | 0.1% | -22.7% | 1.887% |  |
| 11/15/2022 | Elkhorn Partners Limited Partnership | 50,341 | $46K | 0.0% | +48.1% | 0.488% |  |
| 8/11/2022 | Bard Associates Inc. | 263,754 | $0.40M | 0.2% | +7.0% | 2.556% |  |
| 8/1/2022 | Cowen Prime Advisors LLC | 42,500 | $65K | 0.0% | -47.1% | 0.412% |  |
| 5/23/2022 | Cantor Fitzgerald L. P. | 12,813 | $56K | 0.0% | N/A | 0.124% |  |
| 5/11/2022 | Bard Associates Inc. | 246,408 | $1.08M | 0.4% | +6.0% | 2.388% |  |
| 5/10/2022 | Elkhorn Partners Limited Partnership | 23,712 | $0.10M | 0.1% | +56.0% | 0.230% |  |
| 5/2/2022 | Cowen Prime Advisors LLC | 80,400 | $0.35M | 0.1% | -87.3% | 0.780% |  |
| 2/19/2022 | Wexford Capital LP | 3,650,529 | $646.53M | 27.0% | N/A | 35.674% |  |
| 2/14/2022 | Elkhorn Partners Limited Partnership | 15,200 | $90K | 0.1% | +78.8% | 0.149% |  |
| 2/8/2022 | Cowen Prime Advisors LLC | 633,050 | $3.74M | 1.3% | -4.1% | 6.186% |  |
| 2/8/2022 | Samjo Capital LLC | 425,000 | $2.51M | 1.7% | -22.7% | 4.153% |  |
| 11/9/2021 | BlackRock Inc. | 18,079 | $0.16M | 0.0% | -23.0% | 0.177% |  |
| 11/2/2021 | Cowen Prime Advisors LLC | 660,150 | $5.79M | 2.2% | +5.4% | 6.461% |  |
Data available starting January 2016
Nephros, Inc., a commercial-stage company, develops and sells water solutions to the medical and commercial markets in the United States. It offers ultrafiltration products that are used in dialysis centers for the removal of biological contaminants from water and bicarbonate concentrate; and in hospitals for the prevention of infection from waterborne pathogens, such as legionella and pseudomonas, as well as in military and outdoor recreation, commercial, and other healthcare facilities. The company also manufactures and sells water filters that enhance the taste and odor of water, as well as reduce biofilm, cysts, particulates, and scale build-up in downstream equipment. It markets its products to food service, hospitality, convenience store, and health care markets, as well as medical institutions. The company was incorporated in 1997 and is headquartered in South Orange, New Jersey.
Read More on Nephros
Volume
70,453 shs
Average Volume
75,283 shs
Market Capitalization
$61.44 million
P/E Ratio
44.46
Dividend Yield
N/A
Beta
1.48
Who are the company insiders with the largest holdings of Nephros?
Who are the major institutional investors of Nephros?
Which major investors are selling Nephros stock?
In the last quarter, NEPH stock was sold by these institutional investors:
- Vanguard Group Inc.
- Susquehanna International Group LLP
- Bard Associates Inc.
Which major investors are buying Nephros stock?
Within the last quarter, NEPH stock was purchased by institutional investors including:
- Topline Capital Management LLC
- Dimensional Fund Advisors LP
- Wexford Capital LP
- Citadel Advisors LLC
During the last year, these company insiders have bought Nephros stock:
- Arthur H Amron (Director)
- Robert R Jr Banks (CEO)
Learn More investors buying Nephros stock.