NEPH SCHEDULE 13G: SEC filing

Charles E. Davidson and CD Holding Company, LLC

Filed with the SEC on · accession 0001398344-26-017126

NEPH filed a SCHEDULE 13G (schedule 13g) with the SEC on Sep 16, 2026. Charles E. Davidson and CD Holding Company, LLC filed a joint Schedule 13G regarding their beneficial ownership of Nephros, Inc. securities. The stock moved +0.2% by the first close after the filing.

Summary of the filing

Charles E. Davidson and CD Holding Company, LLC filed a joint Schedule 13G regarding their beneficial ownership of Nephros, Inc. securities. The filing is a joint filing agreement under Rule 13d-1(k)(1)(iii).

Key details

Issuer of securities subject to the schedule 13gNephros, Inc.
Joint filerCD Holding Company, LLC
Manager and president of cd holding company, llcCharles E. Davidson

How NEPH stock reacted

Close before

$4.29

Sep 15, 2026

First close after

+0.23%

$4.30

5 trading days

-2.80%

$4.17

Since filing

-34.97%

$2.79

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Frequently asked questions

What did NEPH file with the SEC on Sep 16, 2026?

NEPH filed a SCHEDULE 13G (SEC filing). Charles E. Davidson and CD Holding Company, LLC filed a joint Schedule 13G regarding their beneficial ownership of Nephros, Inc. securities. The filing is a joint filing agreement under Rule 13d-1(k)(1)(iii).

How do I read a SCHEDULE 13G?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did NEPH stock react to this filing?

NEPH closed at $4.29 before the filing and $4.30 on Sep 16, 2026 (+0.23%). Five trading days later: $4.17 (-2.80%).

Other NEPH SEC filings

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