Company Analysis

Nephros, Inc. (NEPH)

Nasdaq: NEPH · Surgical & Medical Instruments & Apparatus · South Orange, NJ · filing with the SEC since 2002
Grade6.2
◀ Past 4.9● Present 6.8▶ Future 6.5

Who owns Nephros, Inc.

As filed with the SEC
Holders of 5% or more
2
Charles E. Davidson holds 5.68% of Common stock, par value $0.001 per share, as its SCHEDULE 13G filed Sep 16, 2026 says.
Directors and officers
10
report now, of 21 people on the record since 2007. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Charles E. Davidson
SCHEDULE 13G · filed Sep 16, 2026 · Common stock, par value $0.001 per share
5.68%
Topline Capital Management, LLC
SCHEDULE 13G · filed Nov 14, 2025 · Common Stock - $0.001 par value
5.6%
Wexford Capital LP
SCHEDULE 13D/A · filed Sep 16, 2026 · Common stock, par value $0.001 per share · reported falling below 5%
under 5%
What NEPH reports owning in othersstakes of 5% or more, and other ties

2 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 15, 2024.

Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 12, 2025 to Nov 12, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
1617181920212324
2024 runs to Nov 12, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window
No one on the roster filed an open-market trade in the window.
SI Assistanton NEPH · research, not advice