Sanitam Partners LLC - 10 Jun 2026 Form 4 Insider Report for Matinas BioPharma Holdings, Inc. (MTNB)

Reporting relationship: 10%+ Owner
Issuer ticker: MTNB
Reported as of: 10 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 13 Aug 2026, 16:01:59 UTC
Prior SEC filing: 10 Apr 2025
Source filing: View source filing
Reporting owner signature: /s/ Adam Stern, Managing Member of Sanitam Partners LLC

Key filing fact

Sanitam Partners LLC filed Form 4 for Matinas BioPharma Holdings, Inc. (MTNB) on 13 Aug 2026.

Key facts

This page summarizes Sanitam Partners LLC's Form 4 filing for Matinas BioPharma Holdings, Inc. (MTNB).
2 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 13 Aug 2026, 16:01.

Change

Previous filing in this sequence was filed on 10 Apr 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002056830 Primary reporting owner

Sanitam Partners LLC

Relationship: 10%+ Owner
Address: 888 C 8TH AVE #530, NEW YORK
Signature: /s/ Adam Stern, Managing Member of Sanitam Partners LLC
Signature date: 13 Aug 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MTNB transaction Derivative

Series C Convertible Preferred Stock

Other

Transaction value
Shares: -1,406
Change %: -100%
Price: $0.5860^*
Shares after: 0
Date: 10 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,399,318
Exercise price: $0.5860
Footnotes: F1, F2

MTNB transaction Derivative

Warrants to Purchase Common Stock

Other

Transaction value
Shares: -4,798,636
Change %: -100%
Price: $0.6446^*
Shares after: 0
Date: 10 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,798,636
Exercise price: $0.6446
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Sanitam Partners LLC is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 2 footnotes

Footnote F1

On June 10, 2026, Sanitam Parnters LLC ("Sanitam") distributed its holdings in the Registrant's preferred stock and warrants to its members. As such Sanitam no longer beneficially owns any securities of the Registrant.

Footnote F2

The Series C Convertible Preferred Stock of the Registrant is perpetual and has no expiration date.