Hezbay Holdings reports 9.54% stake in Matinas

Hezbay Holdings LLC reports beneficial ownership of 1,306,488 shares of Matinas BioPharma Holdings Inc. common stock, representing 9.54% of the class.

Rhea-AI Filing Summary

Hezbay Holdings LLC reports beneficial ownership of 1,306,488 shares of Matinas BioPharma Holdings Inc. common stock, representing 9.54% of the class.

Hezbay has sole voting and dispositive power over these shares. The percentage is calculated based on 13,692,796 common shares outstanding as of July 10, 2026. Additional common shares underlying preferred shares and warrants held by Hezbay are subject to a 4.99% ownership restriction and are excluded from the reported beneficial ownership.

Key Figures

Beneficial ownership: 1,306,488 shares Percent of class: 9.54% Shares outstanding: 13,692,796 shares +1 more

4 metrics

Beneficial ownership 1,306,488 shares Common stock beneficially owned by Hezbay Holdings LLC

Percent of class 9.54% Ownership percentage of Matinas BioPharma common stock

Shares outstanding 13,692,796 shares Common shares issued and outstanding as of July 10, 2026

Ownership restriction 4.99% Beneficial ownership cap on preferred shares and warrants held by Hezbay

Key Terms

beneficially owned, Sole Dispositive Power, ownership restriction

3 terms

beneficially owned regulatory

"Amount beneficially owned: 1,306,488.00"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole Dispositive Power regulatory

"Sole Dispositive Power 1,306,488.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

ownership restriction regulatory

"contain a contractually stipulated 4.99% ownership restriction"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many Matinas BioPharma (MTNB) shares does Hezbay Holdings LLC report owning?

Hezbay Holdings LLC reports owning 1,306,488 Matinas BioPharma (MTNB) common shares. This figure represents the shares currently counted as beneficially owned and does not include additional shares potentially issuable from preferred shares and warrants restricted by a 4.99% ownership cap.

What percentage of Matinas BioPharma (MTNB) does Hezbay Holdings LLC beneficially own?

Hezbay Holdings LLC reports beneficial ownership of 9.54% of Matinas BioPharma (MTNB) common stock. This percentage is based on 13,692,796 common shares issued and outstanding as of July 10, 2026, and excludes securities limited by a 4.99% ownership restriction.

On what share count is Hezbay Holdings LLC’s 9.54% MTNB stake based?

The reported 9.54% stake is calculated using 13,692,796 Matinas BioPharma common shares issued and outstanding as of July 10, 2026. This share count is used solely as the baseline for computing Hezbay Holdings LLC’s beneficial ownership percentage in the Schedule 13G.

What voting and dispositive powers does Hezbay Holdings LLC have over its MTNB shares?

Hezbay Holdings LLC has sole voting power and sole dispositive power over all 1,306,488 Matinas BioPharma shares it beneficially owns, with no shared voting or dispositive power. This means only Hezbay controls how these reported shares are voted and disposed of.

What is the 4.99% ownership restriction mentioned for MTNB securities held by Hezbay?

Certain preferred shares and warrants held by Hezbay include a 4.99% ownership restriction. This contractual cap prevents exercises that would push Hezbay’s beneficial ownership above 4.99% from those instruments, so the underlying common shares are excluded from the 1,306,488 shares reported.

Who filed the Schedule 13G for Matinas BioPharma (MTNB) and what is their citizenship?

The Schedule 13G was filed by Hezbay Holdings LLC, with citizenship or organization in New York. The report covers beneficial ownership of Matinas BioPharma (MTNB) common stock and is signed by Ari Kluger as Sole Member of Hezbay Holdings LLC.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/14/2026 - 03:43 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MATINAS BIOPHARMA HOLDINGS INC.

(Name of Issuer)

COMMON STOCK, $0.0001 PAR VALUE PER SHARE

(Title of Class of Securities)

576810303

(CUSIP Number)

07/13/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 576810303

1

Names of Reporting Persons

Hezbay Holdings LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,306,488.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,306,488.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,306,488.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.54 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Note to 6, 8, 9 and 11: Based on 13,692,796 Common Shares issued and outstanding as of July 10, 2026. Note to 10: The aggregate amount in Row 9 excludes the Common Shares purchasable pursuant to the Preferred Shares and Warrants owned by the Reporting Person which contain a contractually stipulated 4.99% ownership restriction.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MATINAS BIOPHARMA HOLDINGS INC.
(b)	Address of issuer's principal executive offices: 1545 Route 206 South, Suite 302, Bedminster, NJ 07921
Item 2.
(a)	Name of person filing: Hezbay Holdings LLC
(b)	Address or principal business office or, if none, residence: 23 Tammy Road, Spring Valley, New York 10977
(c)	Citizenship: New York
(d)	Title of class of securities: COMMON STOCK, $0.0001 PAR VALUE PER SHARE
(e)	CUSIP Number(s): 576810303
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 1,306,488.00
(b)	Percent of class: 9.54 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,306,488.00
	(ii) Shared power to vote or to direct the vote: 0.00
	(iii) Sole power to dispose or to direct the disposition of: 1,306,488.00
	(iv) Shared power to dispose or to direct the disposition of: 0.00
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Hezbay Holdings LLC

Signature:	/s/ Ari Kluger
Name/Title:	Ari Kluger, Sole Member of Hezbay Holdings LLC
Date:	07/14/2026