NEPH
NEPHROS (NEPH)
NASDAQ
$3.53-$0.005 (-0.14%)
Price as of Oct 23, 2026 7:59 PM EDT
  • $38.2M
    Market Cap
  • -32.50%
    1-Year Change
  • N/A
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
WEXFORD CAPITAL LP
33.15%
3.6M
0 (0.00%)
Jun 30, 2026
COWEN PRIME SERVICES LLC
5.77%
626,450
+3,700 (+0.59%)
Jun 30, 2021
TOPLINE CAPITAL MANAGEMENT, LLC
4.93%
535,698
-46,269 (-8.64%)
Jun 30, 2026
SAMJO CAPITAL LLC
3.91%
425,000
-125,000 (-29.41%)
Dec 31, 2021
VANGUARD GROUP INC
2.15%
233,644
-47,662 (-20.40%)
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
1.83%
198,643
0 (0.00%)
Jun 30, 2026
N/A
1.83%
198,643
+198,643 (+100.00%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions87.3M (79.23%)
  • Insiders19.4M (17.62%)
  • Mutual Funds3.5M (3.14%)
  • Other0 (0.00%)

Insider Transactions

  • 17.62% (19.4M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
WEXFORD CAPITAL LP
Other
Sep 14, 2026
$0.00
3.4M
$0.00
189,377
AMRON ARTHUR H
Other
Sep 14, 2026
$0.00
17,749
$0.00
158,623
WEXFORD CAPITAL LP
Other
Sep 14, 2026
$89,704.50
22,710
$3.95
166,667
AMRON ARTHUR H
Other
Sep 14, 2026
$0.00
2,836
$0.00
2,836
AMRON ARTHUR H
Other
Sep 14, 2026
$89,704.50
22,710
$3.95
25,546
AMRON ARTHUR H
Award
May 11, 2026
$0.00
3,574
$0.00
138,456
AMRON ARTHUR H
Award
Mar 16, 2026
$0.00
3,610
$0.00
134,882
Krandel Judy
Chief Financial Officer
Award
Mar 16, 2026
$0.00
4,000
$0.00
4,000
Nettis Lisa Marie
Award
Nov 10, 2025
$0.00
1,622
$0.00
1,622
AMRON ARTHUR H
Award
Nov 10, 2025
$0.00
5,391
$0.00
131,272
Spandow Oliver J.
Award
Nov 10, 2025
$0.00
8,036
$0.00
122,881
Nettis Lisa Marie
Award
Aug 11, 2025
$0.00
13,229
$0.00
13,229
Krandel Judy
Chief Financial Officer
Award
Mar 27, 2025
$0.00
54,359
$0.00
54,359
AMRON ARTHUR H
Award
Jan 01, 2025
$0.00
7,050
$0.00
7,050
Spandow Oliver J.
Award
Jan 01, 2025
$0.00
7,050
$0.00
7,050
AMRON ARTHUR H
Award
Jan 01, 2025
$0.00
22,418
$0.00
125,881
Spandow Oliver J.
Award
Jan 01, 2025
$0.00
33,241
$0.00
114,845
Harris Joseph Michael
Award
Jan 01, 2025
$0.00
7,050
$0.00
7,050