Nephros Inc (NEPH) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding January 10, 2026, Nephros's top three insider stakeholders include TenPercentOwner Capital Lp Wexford (3.60Mn shares), Ceo Of Specialty Renal Product Daron Evans (142.88K shares), Director Arthur H Amron (131.27K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Capital Lp Wexford 3,600,552 14 Mar, 2024
Daron Evans Ceo Of Specialty Renal Product 142,884 25 May, 2021
Arthur H Amron 131,272 13 Nov, 2025
Oliver J. Spandow 122,881 13 Nov, 2025
Andrew Astor President And Ceo & Cfo 92,773 07 Mar, 2022
Robert R. Jr. Banks President And Ceo 70,000 16 May, 2024
Alisa Lask 48,629 15 Dec, 2023
Tom Gwydir 43,226 09 Jan, 2023
Wesley S. Lobo Chief Marketing Officer 35,168 18 Feb, 2022
Joseph Michael Harris 17,693 15 Dec, 2023
Lisa Marie Nettis 1,622 13 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
10 Nov, 2025 Arthur H Amron Common Stock A 5,391 $0.00 131,272 D A
10 Nov, 2025 Oliver J. Spandow Common Stock A 8,036 $0.00 122,881 D A
10 Nov, 2025 Lisa Marie Nettis Common Stock A 1,622 $0.00 1,622 D A
01 Jan, 2025 Arthur H Amron Common Stock A 22,418 $0.00 125,881 D A
01 Jan, 2025 Oliver J. Spandow Common Stock A 33,241 $0.00 114,845 D A
30 May, 2024 Arthur H Amron Common Stock A 3,000 $2.24 103,463 D P
28 May, 2024 Arthur H Amron Common Stock A 2,000 $2.22 100,463 D P
16 May, 2024 Robert R. Jr. Banks - - 70,000 D
16 May, 2024 Robert R. Jr. Banks Common Stock A 50,000 $2.24 70,000 D P
13 Mar, 2024 Capital Lp Wexford Common Stock D 91,463 $0.00 56,060 D J
13 Mar, 2024 Capital Lp Wexford - - 56,060 D
13 Mar, 2024 Arthur H Amron Common stock A 91,463 $0.00 98,463 D J
12 Mar, 2024 Arthur H Amron Common stock A 7,000 $2.45 7,000 D P
13 Dec, 2023 Arthur H Amron Common Stock A 9,291 $0.00 9,291 D A
13 Dec, 2023 Oliver J. Spandow Common Stock A 14,294 $0.00 81,604 D A
13 Dec, 2023 Alisa Lask Common Stock A 9,291 $0.00 48,629 D A
13 Dec, 2023 Joseph Michael Harris Common Stock A 9,291 $0.00 17,693 D A
13 Dec, 2023 Joseph Michael Harris - - 17,693 D
07 Dec, 2023 Robert R. Jr. Banks - - 20,000 D
07 Dec, 2023 Robert R. Jr. Banks Common Stock A 18,000 $2.20 20,000 D P