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Matinas BioPharma completes 1-for-15 reverse split

Split-adjusted trading was anticipated at the September 28 market open, subject to NYSE American approval; fractional entitlements are payable in cash.

(Moderate)

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Form Type
8-K

Rhea-AI Filing Summary

Matinas BioPharma Holdings, Inc. (MTNB) effected a 1-for-15 reverse stock split at 12:01 a.m. Eastern Time on September 28, 2026: every 15 issued and outstanding common shares became one share. No fractional shares were issued; holders otherwise entitled to fractions are entitled to a proportional cash payment. The split did not change the common stock’s par value or authorized share count, and outstanding options, warrants and convertible preferred stock were adjusted under their terms. MTNB anticipated split-adjusted trading at the market open on September 28, subject to NYSE American approval.

Item 3.03 Material Modification to Rights of Security Holders Securities
A change was made that materially affects the rights of existing shareholders (e.g., dividend rights, voting rights).
Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year Governance
The company amended its charter documents, bylaws, or changed its fiscal year.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Reverse stock split ratio 1-for-15 Effective September 28, 2026
Effective time 12:01 a.m. Eastern Time September 28, 2026
reverse stock split financial
"effected a one-for-fifteen (1:15) reverse stock split"
A reverse stock split reduces a company's number of outstanding shares while raising the price per share proportionally, so the total value of each investor's holding is unchanged; a 1-for-10 split turns 100 shares worth $1 each into 10 shares worth $10 each. Companies often do this to regain compliance with an exchange's minimum price rule or to attract investors who avoid very low-priced stocks.
par value financial
"did not change the par value of the Common Stock"
Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.
fractional share financial
"entitled to a fractional share of Common Stock"
A fractional share is a portion of a single stock that is worth less than one full share, like owning a slice of a pizza instead of the whole pie. It lets investors buy and hold part of expensive stocks or spread small amounts of money across many companies, which helps with diversification and regular investing; dividends and price changes affect fractional shares proportionally, though some rights and trading rules can vary by provider.
authorized number of shares financial
"did not change the authorized number of shares"
Split Ratio 1-for-15 reverse split
Effective Date September 28, 2026

FAQ

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

What is MTNB's reverse stock split ratio and effective date?

Matinas BioPharma Holdings, Inc. effected a 1-for-15 reverse stock split at 12:01 a.m. Eastern Time on September 28, 2026.

Did MTNB's reverse stock split change shareholders' ownership percentages?

The split affected all stockholders uniformly and did not alter any stockholder’s percentage interest in the company’s equity, except to the extent the split resulted in fractional shares.

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

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Learn about SEC filing dates
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

 

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported): September 25, 2026

 

 

 

MATINAS BIOPHARMA HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

 

 

 

Delaware   001-38022   46-3011414
(State or other jurisdiction
of incorporation)
  (Commission
File Number)
  (IRS Employer
ID Number)

 

1545 Route 206 South, Suite 302

Bedminster, New Jersey

  07921
(Address of principal executive offices)   (Zip Code)

 

Registrant’s telephone number, including area code: (908) 484-8805

 

Not Applicable

(Former name or former address, if changed since last report.)

 

 

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

 

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

Securities registered pursuant to Section 12(b) of the Act:

 

Title of Each Class   Trading Symbol   Name of Each Exchange on Which Registered
Common Stock   MTNB   NYSE American

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

 

Emerging growth company ☐

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 

 

 

 

 


Item 3.03 Material Modification to the Rights of Security Holders.

 

The information contained in Item 5.03 below is incorporated by reference into this Item 3.03.

 

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

 

On September 25, 2026, Matinas BioPharma Holdings, Inc. (the “Company”) filed a Certificate of Amendment to the Company’s Certificate of Incorporation, as amended, with the Secretary of State of the State of Delaware (the “Certificate of Amendment”), which, at 12:01 a.m. Eastern Time on September 28, 2026 (the “Effective Date”), effected a one-for-fifteen (1:15) reverse stock split (the “Reverse Stock Split”) of the Company’s issued and outstanding shares of common stock, $0.0001 par value per share (the “Common Stock”). In connection with the Reverse Stock Split, the CUSIP number for the Common Stock changed to 576810 402.

 

Subject to NYSE American LLC (“NYSE American” or the “Exchange”) approval, the Company anticipates that the Common Stock will begin trading on the NYSE American on a Reverse Stock Split-adjusted basis when the market opens on September 28, 2026.

 

As a result of the Reverse Stock Split, every fifteen (15) shares of Common Stock issued and outstanding were converted into one (1) share of Common Stock. The Reverse Stock Split affected all stockholders uniformly and did not alter any stockholder’s percentage interest in the Company’s equity, except to the extent that the Reverse Stock Split would have resulted in some stockholders owning a fractional share. No fractional shares were issued in connection with the Reverse Stock Split. Stockholders who would otherwise be entitled to a fractional share of Common Stock are instead entitled to receive a proportional cash payment.

 

The Reverse Stock Split did not change the par value of the Common Stock or the authorized number of shares of Common Stock. All outstanding securities entitling their holders to purchase or acquire shares of Common Stock, including stock options, warrants and convertible preferred stock, were adjusted as a result of the Reverse Stock Split, as required by the terms of those securities.

 

At the Company’s annual meeting of stockholders held on June 23, 2025, the stockholders of the Company voted to approve the Certificate of Amendment. On September 16, 2026, the Board of Directors of the Company also approved and authorized the filing of the Certificate of Amendment.

 

The foregoing description of the Certificate of Amendment is a summary of the material terms thereof, does not purport to be complete and is qualified in its entirety by reference to the full text of the Certificate of Amendment, which is filed with this report as Exhibit 3.1 and is incorporated herein by reference.

 

Item 9.01 Financial Statements and Exhibits.

 

(d) Exhibits

 

As described above, the following exhibits are furnished as part of this report:

 

Exhibit No.   Description
     
3.1   Certificate of Amendment of Certificate of Incorporation, as amended, of Matinas BioPharma Holdings, Inc., dated September 25, 2026.
104   Cover Page Interactive Data File (embedded within the Inline XBRL document)

 

-2-

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

 

  MATINAS BIOPHARMA HOLDINGS, INC.
     
Dated: September 28, 2026 By: /s/ Jerome D. Jabbour
    Name: Jerome D. Jabbour
    Title: Chief Executive Officer
     

 

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Filing Exhibits & Attachments

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