NEPHROS INC (NEPH)

Latest Insider Confidence Score

2025Q4

50.0
Bullish

Company insider confidence (by quarter)

2004Q3 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Lambda Investors LLC 29,990,870 Jun 7, 2016
Stagg Capital Group LLC 10% Owner 3,749,558 Aug 21, 2008
Stagg Scott A 10% Owner 3,749,558 Aug 21, 2008
Wexford Capital Lp 3,544,492 Mar 14, 2024
Wexford GP LLC 3,544,492 Mar 14, 2024

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Nov 10, 2025 Nov 13, 2025 Nettis Lisa Marie Director Neutral 90.0 +1,622 100.00% -
Nov 10, 2025 Nov 13, 2025 Spandow Oliver J. Director Neutral 85.0 +8,036 7.00% -
Nov 10, 2025 Nov 13, 2025 Amron Arthur H Director Neutral 82.5 +5,391 4.28% -
Aug 11, 2025 Aug 13, 2025 Nettis Lisa Marie Director Neutral 52.5 - 0.00% -
Jul 11, 2025 Nettis Lisa Marie Director Neutral 52.5 - 0.00% -
Mar 27, 2025 Mar 31, 2025 Krandel Judy CFO Neutral 52.5 - 0.00% -
Jan 1, 2025 Jan 3, 2025 Amron Arthur H Director Neutral 90.0 +22,418 21.67% -
Jan 1, 2025 Jan 3, 2025 Lask Alisa Director Neutral 52.5 - 0.00% -
Jan 1, 2025 Jan 3, 2025 Harris Joseph Michael Director Neutral 52.5 - 0.00% -
Jan 1, 2025 Jan 3, 2025 Spandow Oliver J. Director Neutral 90.0 +33,241 40.73% -
May 28, 2024 May 30, 2024 Amron Arthur H Director Buy 86.3 +5,000 5.08% $11.2K
May 16, 2024 May 16, 2024 Banks Robert R. Jr. CEO Buy 95.0 +50,000 250.00% $112.1K
May 14, 2024 May 16, 2024 Amron Arthur H Director Neutral 52.5 - 0.00% -
May 14, 2024 May 16, 2024 Lask Alisa Director Neutral 52.5 - 0.00% -
May 14, 2024 May 16, 2024 Spandow Oliver J. Director Neutral 52.5 - 0.00% -
May 14, 2024 May 16, 2024 Harris Joseph Michael Director Neutral 52.5 - 0.00% -
Mar 13, 2024 Mar 14, 2024 WEXFORD CAPITAL LP 10% Owner Neutral 27.5 -91,463 -2.48% -
Mar 12, 2024 Mar 14, 2024 Amron Arthur H Director Buy 91.3 +98,463 100.00% $17.1K
Dec 13, 2023 Dec 15, 2023 Spandow Oliver J. Director Neutral 90.0 +14,294 21.24% -
Dec 13, 2023 Dec 15, 2023 Lask Alisa Director Neutral 90.0 +9,291 23.62% -
Dec 13, 2023 Dec 15, 2023 Harris Joseph Michael Director Neutral 90.0 +9,291 110.58% -
Dec 13, 2023 Dec 15, 2023 Amron Arthur H Director Neutral 90.0 +9,291 100.00% -
Dec 7, 2023 Dec 11, 2023 Banks Robert R. Jr. CEO Buy 91.3 +18,000 900.00% $39.6K
Nov 1, 2023 Nov 3, 2023 Krandel Judy CFO Neutral 52.5 - 0.00% -
Nov 3, 2023 Krandel Judy CFO Neutral 52.5 - 0.00% -
Aug 14, 2023 Aug 15, 2023 Banks Robert R. Jr. CEO Buy 90.0 +2,000 100.00% $3.4K
May 17, 2023 Banks Robert R. Jr. CEO Neutral 52.5 - 0.00% -
Jan 5, 2023 Jan 9, 2023 Lask Alisa Director Neutral 90.0 +27,613 235.51% -
Jan 5, 2023 Jan 9, 2023 Spandow Oliver J. Director Neutral 90.0 +42,481 171.09% -
Jan 5, 2023 Jan 9, 2023 Gwydir Tom Director Neutral 90.0 +27,613 176.86% -
Jan 5, 2023 Jan 9, 2023 Amron Arthur H Director Neutral 90.0 +27,613 100.00% -
Jan 5, 2023 Jan 9, 2023 Harris Joseph Michael Director Neutral 90.0 +8,402 100.00% -
Sep 6, 2022 Sep 8, 2022 Harris Joseph Michael Director Neutral 52.5 - 0.00% -
Sep 8, 2022 Harris Joseph Michael Director Neutral 52.5 - 0.00% -
Mar 5, 2022 Mar 7, 2022 Astor Andrew CEO Neutral 52.5 - 0.00% -
Feb 16, 2022 Feb 18, 2022 Lobo Wesley S. Chief Marketing Officer Sell 46.3 -6,389 -15.37% $30.7K
Dec 14, 2021 Dec 16, 2021 Lask Alisa Director Neutral 90.0 +4,582 64.15% -
Dec 14, 2021 Dec 16, 2021 Gwydir Tom Director Neutral 90.0 +4,582 41.54% -
Dec 14, 2021 Dec 16, 2021 Spandow Oliver J. Director Neutral 90.0 +5,429 27.98% -
Dec 14, 2021 Dec 16, 2021 Amron Arthur H Director Neutral 90.0 +4,582 100.00% -
Dec 14, 2021 Dec 16, 2021 Astor Andrew CEO Neutral 52.5 - 0.00% -
Sep 1, 2021 Sep 3, 2021 Lobo Wesley S. Chief Commercial Officer Neutral 52.5 - 0.00% -
Aug 20, 2021 Aug 23, 2021 Lobo Wesley S. Chief Marketing Officer Buy 77.5 +1,000 2.47% $7.9K
Aug 18, 2021 Aug 19, 2021 Gwydir Tom Director Buy 91.3 +5,000 82.90% $38.2K
Aug 17, 2021 Aug 18, 2021 Astor Andrew CEO Buy 86.3 +5,000 6.85% $38.6K
Jun 1, 2021 Jun 3, 2021 WEXFORD CAPITAL LP Director Neutral 52.5 - 0.00% -
May 27, 2021 Jun 1, 2021 Evans Daron CEO Sell 27.5 -698 -3.81% $1.9K
May 24, 2021 May 25, 2021 Evans Daron CEO Neutral 52.5 - 0.00% -
Feb 16, 2021 Feb 18, 2021 Lobo Wesley S. Chief Marketing Officer Neutral 90.0 +40,557 100.00% -
Feb 18, 2021 Lobo Wesley S. Chief Marketing Officer Neutral 52.5 - 0.00% -
Jan 27, 2021 Jan 29, 2021 WEXFORD CAPITAL LP Director Neutral 52.5 - 0.00% -
Jan 6, 2021 Jan 8, 2021 WEXFORD CAPITAL LP Director Neutral 90.0 +3,196 100.00% -
Jan 6, 2021 Jan 8, 2021 Gwydir Tom Director Neutral 90.0 +3,666 155.01% -
Jan 6, 2021 Jan 8, 2021 Lask Alisa Director Neutral 90.0 +3,666 105.44% -
Jan 6, 2021 Jan 8, 2021 PERSEN MALCOLM C Director Neutral 90.0 +5,921 12.32% -
Jan 6, 2021 Jan 8, 2021 Spandow Oliver J. Director Neutral 90.0 +3,666 23.30% -
Jan 6, 2021 Jan 8, 2021 AMRON ARTHUR H Director Neutral 90.0 +3,666 100.00% -
Nov 18, 2020 Nov 20, 2020 Spandow Oliver J. Director Buy 90.0 +1,500 10.54% $8.7K
Nov 19, 2020 Nov 19, 2020 Astor Andrew CEO Buy 77.5 +1,000 1.39% $5.9K
Nov 10, 2020 D'Agostino Daniel S. CFO Neutral 52.5 - 0.00% -
Oct 15, 2020 Oct 16, 2020 WEXFORD CAPITAL LP Director Neutral 82.5 +166,667 4.85% -
Aug 24, 2020 Aug 26, 2020 Astor Andrew CEO Neutral 52.5 - 0.00% -
Aug 19, 2020 Aug 19, 2020 Astor Andrew CFO Buy 77.5 +950 1.34% $7K
May 28, 2020 May 29, 2020 Astor Andrew CFO Buy 77.5 +1,000 1.43% $7K
May 11, 2020 May 13, 2020 PERSEN MALCOLM C Director Neutral 52.5 - 0.00% -
Mar 12, 2020 Mar 12, 2020 Evans Daron CEO Buy 78.8 +2,500 1.61% $16.6K
Mar 12, 2020 Mar 12, 2020 Astor Andrew CFO Buy 77.5 +1,000 1.45% $6.7K
Mar 5, 2020 Mar 5, 2020 Evans Daron CEO Buy 78.8 +2,500 1.63% $21.1K
Mar 5, 2020 Mar 5, 2020 Astor Andrew CFO Buy 77.5 +700 1.02% $5.9K
Feb 1, 2020 Feb 5, 2020 Astor Andrew CFO Neutral 52.5 - 0.00% -
Feb 1, 2020 Feb 5, 2020 Evans Daron CEO Neutral 52.5 - 0.00% -
Dec 16, 2019 Dec 18, 2019 Astor Andrew CFO Neutral 90.0 +6,848 11.14% -
Dec 16, 2019 Dec 18, 2019 Evans Daron CEO Neutral 85.0 +9,282 6.45% -
Dec 16, 2019 Dec 18, 2019 Lask Alisa Director Neutral 90.0 +3,227 1290.80% -
Dec 16, 2019 Dec 18, 2019 Spandow Oliver J. Director Neutral 90.0 +3,448 31.97% -
Dec 16, 2019 Dec 18, 2019 Gwydir Tom Director Neutral 90.0 +2,365 100.00% -
Dec 16, 2019 Dec 18, 2019 PERSEN MALCOLM C Director Neutral 90.0 +5,437 13.30% -
Dec 16, 2019 Dec 18, 2019 AMRON ARTHUR H Director Neutral 90.0 +3,448 100.00% -
Dec 16, 2019 Dec 18, 2019 Mieyal Paul A Director Neutral 90.0 +3,448 100.00% -
Nov 25, 2019 Nov 26, 2019 Spandow Oliver J. Director Buy 90.0 +1,000 10.22% $8.2K
Nov 18, 2019 Nov 18, 2019 Astor Andrew CFO Buy 77.5 +750 1.24% $6.3K
Nov 18, 2019 Nov 18, 2019 Evans Daron CEO Buy 67.5 +1,000 0.70% $8.4K
Sep 11, 2019 Sep 13, 2019 Lask Alisa Director Buy 90.0 +250 100.00% $1.6K
Aug 22, 2019 Aug 22, 2019 Astor Andrew CFO Buy 83.8 +1,500 2.53% $10.5K
Aug 22, 2019 Aug 22, 2019 Evans Daron CEO Buy 78.8 +2,000 1.42% $13.8K
Aug 9, 2019 Aug 13, 2019 Astor Andrew CFO Neutral 52.5 - 0.00% -
Aug 9, 2019 Aug 13, 2019 Evans Daron CEO Neutral 52.5 - 0.00% -
Jun 14, 2019 Jun 14, 2019 Astor Andrew CFO Buy 86.3 +35,000 7.03% $22.4K
Jun 14, 2019 Jun 14, 2019 Evans Daron CEO Buy 83.8 +43,172 3.52% $25.8K
Feb 8, 2019 May 2, 2019 Lask Alisa Director Neutral 52.5 - 0.00% -
Apr 29, 2019 May 1, 2019 Gwydir Tom Director Neutral 52.5 - 0.00% -
May 1, 2019 Gwydir Tom Director Neutral 52.5 - 0.00% -
Feb 8, 2019 Feb 12, 2019 Lask Alisa Director Neutral 52.5 - 0.00% -
Feb 12, 2019 Lask Alisa Director Neutral 52.5 - 0.00% -
Dec 19, 2018 Dec 21, 2018 AMRON ARTHUR H Director Neutral 52.5 - 0.00% -
Dec 19, 2018 Dec 21, 2018 Astor Andrew CFO Neutral 52.5 - 0.00% -
Dec 19, 2018 Dec 21, 2018 Mieyal Paul A Director Neutral 52.5 - 0.00% -
Dec 19, 2018 Dec 21, 2018 PERSEN MALCOLM C Director Neutral 52.5 - 0.00% -
Dec 19, 2018 Dec 21, 2018 Pinto Moshe Director Neutral 52.5 - 0.00% -
Dec 19, 2018 Dec 21, 2018 Spandow Oliver J. Director Neutral 52.5 - 0.00% -