Sec Form 3 Filing - Mehana Ventures LLC @ Pono Capital Four, Inc. - 2026-03-12

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Mehana Ventures LLC 2. Issuer Name and Ticker or Trading Symbol Pono Capital Four, Inc. [ PONO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4348 WAIALAE AVE, #632 3. Date of Earliest Transaction (MM/DD/YY) 03/12/2026 (Street) HONOLULU, HI96816 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Class B Ordinary Shares ( 1 ) ( 1 ) ( 1 ) Class A Ordinary Shares 5,550,650 ( 2 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Mehana Ventures LLC 4348 WAIALAE AVE, #632 HONOLULU, HI96816 X Signatures Mehana Ventures LLC By: Mehana Management LLC, its Managing Member By: /s/ Dustin Shindo Name: Dustin Shindo Title: Manager 03/13/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Class B ordinary shares will automatically convert into Class A ordinary shares concurrently with or immediately following the consummation of the Issuer's initial business combination, or earlier at the option of the holders thereof on a one-for-one basis, subject to the adjustments. The Class B ordinary shares have no expiration date. ( 2 )Represents 5,550,650 Class B ordinary shares held by Mehana Ventures LLC, the Issuer's sponsor, after the Issuer forfeited 1,468,571 of the 7,392,857 Class B ordinary shares originally purchased by the Issuer's Sponsor for $25,000. The Issuer also transferred an aggregate of 363,636 Founder Shares to direct institutional investors in connection with a private placement that is closing simultaneously with the initial public offering. Includes an aggregate of up to 771,429 Class B ordinary shares that are subject to forfeiture to the extent the over-allotment option is not exercised in full in connection with the Issuer's initial public offering.

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).

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