Nephros Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 100.00. In total, the insiders bought 2.63M and sold 182.93K NEPH shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
100.00
Buy 2.63M shares
Sell 182.93K shares
98% Buy Activity
Moderate Positive Correlation

No Significant Signals

No statistically significant buy or sell signals detected in recent insider data.

Historical Insider Trades

Date Type Person Role Amount
May 11, 2026
Buy
Common Stock
A-Award
Amron Arthur H
Director
Director 3 574
Value: $10.5K
Mar 23, 2026
Buy
Stock Option (right to buy)
M-Exempt
Krandel Judy
Chief Financial Officer
C-Suite Officer 68 861
Value: $117.8K
Mar 23, 2026
Buy
Common Stock
M-Exempt
Krandel Judy
Chief Financial Officer
C-Suite Officer 68 861
Value: $117.8K
Mar 23, 2026
Buy
Common Stock
M-Exempt
Banks Robert R. Jr.
President And CEO
CEO / President 120 000
Value: $172.8K
Mar 23, 2026
Buy
Stock Option (right to buy)
M-Exempt
Banks Robert R. Jr.
President And CEO
CEO / President 120 000
Value: $172.8K
Mar 16, 2026
Buy
Stock Option (right to buy)
A-Award
Krandel Judy
Chief Financial Officer
C-Suite Officer 4 000
Value: $11.7K
Mar 16, 2026
Buy
Common Stock
A-Award
Amron Arthur H
Director
Director 3 610
Value: $10.5K
Nov 10, 2025
Buy
Common Stock
A-Award
Nettis Lisa Marie
Director
Director 1 622
Value: $7K
Nov 10, 2025
Buy
Common Stock
A-Award
Spandow Oliver J.
Director
Director 8 036
Value: $34.5K
Nov 10, 2025
Buy
Common Stock
A-Award
Amron Arthur H
Director
Director 5 391
Value: $23.1K
Aug 11, 2025
Buy
Stock Option (right to buy)
A-Award
Nettis Lisa Marie
Director
Director 13 229
Value: $59.4K
Aug 11, 2025
Buy
Stock Option (right to buy)
A-Award
Nettis Lisa Marie
Director
Director 13 229
Value: $59.4K
Jun 16, 2025
Buy
Common Stock
J-Other
Nettis Lisa Marie
Director 0
Value: $0
Jun 16, 2025
Buy
Common Stock
J-Other
Nettis Lisa Marie
Director 0
Value: $0
Mar 27, 2025
Buy
Stock Option (right to buy)
A-Award
Krandel Judy
Chief Financial Officer
C-Suite Officer 54 359
Value: $91.3K
Mar 27, 2025
Buy
Stock Option (right to buy)
A-Award
Krandel Judy
Chief Financial Officer
C-Suite Officer 54 359
Value: $91.3K
Jan 01, 2025
Buy
Common Stock
A-Award
Amron Arthur H
Director
Director 22 418
Value: $73.1K
Jan 01, 2025
Buy
Stock Option (Right to Buy)
A-Award
Amron Arthur H
Director
Director 7 050
Value: $10.4K
Jan 01, 2025
Buy
Stock Option (right to buy)
A-Award
Lask Alisa
Director
Director 7 050
Value: $10.4K
Jan 01, 2025
Buy
Stock Option (right to buy)
A-Award
Harris Joseph Michael
Director
Director 7 050
Value: $10.4K
Jan 01, 2025
Buy
Common Stock
A-Award
Spandow Oliver J.
Director
Director 33 241
Value: $108.4K
Jan 01, 2025
Buy
Stock Option (Right to Buy)
A-Award
Spandow Oliver J.
Director
Director 7 050
Value: $10.4K
Jan 01, 2025
Buy
Stock Option (Right to Buy)
A-Award
Spandow Oliver J.
Director
Director 7 050
Value: $10.4K
Jan 01, 2025
Buy
Common Stock
A-Award
Spandow Oliver J.
Director
Director 33 241
Value: $108.4K
Jan 01, 2025
Buy
Stock Option (right to buy)
A-Award
Harris Joseph Michael
Director
Director 7 050
Value: $10.4K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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