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    Amendment: SEC Form 4 filed by Large owner Eide Robert J

    4/10/25 1:59:28 PM ET
    $MTNB
    Biotechnology: Pharmaceutical Preparations
    Health Care
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    SEC FORM 4/A SEC Form 4
    FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
    or Section 30(h) of the Investment Company Act of 1940
    OMB APPROVAL
    OMB Number: 3235-0287
    Estimated average burden
    hours per response: 0.5
      
    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
      
    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
    1. Name and Address of Reporting Person*
    EIDE ROBERT J

    (Last) (First) (Middle)
    1345 AVENUE OF THE AMERICAS
    27TH FLOOR

    (Street)
    NEW YORK NY 10105

    (City) (State) (Zip)
    2. Issuer Name and Ticker or Trading Symbol
    Matinas BioPharma Holdings, Inc. [ MTNB ]
    5. Relationship of Reporting Person(s) to Issuer
    (Check all applicable)
    Director X 10% Owner
    Officer (give title below) Other (specify below)
    3. Date of Earliest Transaction (Month/Day/Year)
    04/08/2025
    4. If Amendment, Date of Original Filed (Month/Day/Year)
    03/07/2025
    6. Individual or Joint/Group Filing (Check Applicable Line)
    X Form filed by One Reporting Person
    Form filed by More than One Reporting Person
    Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
    1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V Amount (A) or (D) Price
    Common Stock 1,500(1) D
    Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
    (e.g., puts, calls, warrants, options, convertible securities)
    1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
    Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
    Series C Convertible Preferred Stock $0.586 04/08/2025 P 492 04/04/2025 (5) Common Stock 839,591 $1,000(2) 984(3) I R. Eide as managing partner for Pembroke(4)
    Warrants $0.6446 04/08/2025 P 1,679,182 04/08/2025 04/08/2030 Common Stock 1,679,182 (2) 3,358,364 I R. Eide as managing partner for Pembroke(4)
    Explanation of Responses:
    1. Robert J. Eide is the direct holder of 750 shares of Common Stock, 0.0001 par value per share ("Common Stock") and the indirect holder of 750 shares of Common Stock as the managing member of Isagen LLC.
    2. Pursuant to the Securities Purchase Agreement, dated February 13, 2025, Pembroke & Partners ("Pembroke") purchased an aggregate of 984 shares of the Issuer's Series C Convertible Preferred Stock, par value $0.0001 per share (the "Preferred Stock") with a stated value of $1,000 per share of Preferred Stock, and 3,358,364 Warrants for gross proceeds of $984,000. The Preferred Stock and Warrants were sold in two tranches with each tranche consisting of 492 shares of Preferred Stock and 1,679,182 Warrants.
    3. Each holder of Preferred Stock is entitled to vote on an as-converted to Common Stock basis with a per share voting price of $0.6393, granting Pembroke voting power of up to 23% of the outstanding Common Stock based on their 984 shares of Preferred Stock. Pembroke's beneficial ownership is subject to a 9.99% limit on the shares of Common Stock issuable upon conversion of the Preferred Stock and a 4.99% limit on the shares of Common Stock issuable upon exercise of the Warrants.
    4. Mr. Eide does not directly own any Preferred Stock or Warrants, however, as the sole manager of Pembroke, Mr. Eide may be deemed to beneficially own securities of the Issuer beneficially owned by Pembroke and share Pembroke's voting power.
    5. N/A
    Remarks:
    /s/ Robert J. Eide 04/10/2025
    ** Signature of Reporting Person Date
    Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
    * If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
    ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
    Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
    Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
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