13D Filings
NovaBay Pharmaceuticals, Inc.
NBY
Amendment
Ownership

4.99%

Total Shares

6,388,000

Issuer CIK

1389545

CUSIP

66987P409

Event Date

Oct 20, 2025

Accepted

Jan 29, 2026, 07:38 PM

Reporting Persons (1)
NameType% of ClassAggregateSole VotingShared Voting
David E. Lazar
Individual
4.99%6,388,0006,388,0000
Disclosure Items (3)

Security Title

Common Stock, $0.01 par value

Issuer Name

NovaBay Pharmaceuticals, Inc.

Issuer Address

2000 POWELL STREET, SUITE 1150, Emeryville, CA, 94608

Percentage of Class

The aggregate percentage of Shares owned by the Reporting Person is based upon 127,894,134 shares of Common Stock outstanding as of January 29, 2026 based upon information provided by the Issuer. As of the close of business on January 29, 2026, the Reporting Person beneficially owned 6,388,000 Shares. Percentage: Approximately 4.99%

Number of Shares

1. Sole power to vote or direct vote: 6,388,000 2. Shared power to vote or direct vote: 0 3. Sole power to dispose or direct the disposition: 6,388,000 4. Shared power to dispose or direct the disposition: 0

Transactions

The transactions in the Shares by the Reporting Person during the past sixty days are set forth in more detail in Item 6.

Shareholders

No person other than the Reporting Person is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, the Shares.

Date of 5% Ownership

Not applicable.

Item 6 is hereby amended to add the following: At the Annual Meeting, the Issuer's stockholders approved, among other things, the conversion of Series D Preferred Stock into shares of common stock ("Stockholder Approval"). Three business days following such Stockholder Approval, all of the Reporting Person's Series D Preferred Stock was automatically converted into shares of the Issuer's Common Stock.

NovaBay Pharmaceuticals, Inc. — Schedule 13D | 13D Filings