Sec Form 3 Filing - MGD Holdings @ MNTN, Inc. - 2025-05-22

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 MGD Holdings 2. Issuer Name and Ticker or Trading Symbol MNTN, Inc. [ MNTN] 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) C/O COLLAS CRILL TRUST AND CORPORATE, SERVICES, GASPE HOUSE, 66-72 ESPLANADE 3. Date of Earliest Transaction (MM/DD/YY) 05/22/2025 (Street) ST HELIER, Y9JE1 4X 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 Common Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock 3,872,791 I See Footnote ( 1 ) Convertible Notes ( 3 ) ( 3 ) ( 3 ) Class A Common Stock 281,250 I See Footnote ( 1 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other MGD Holdings C/O COLLAS CRILL TRUST AND CORPORATE SERVICES, GASPE HOUSE, 66-72 ESPLANADE ST HELIER, Y9JE1 4X X CCT Services 1 Ltd C/O COLLAS CRILL TRUST AND CORPORATE SERVICES, GASPE HOUSE, 66-72 ESPLANADE ST HELIER, Y9JE1 4X X Signatures MGD Holdings, /s/ Richard Ballard, Attorney-in-Fact 05/22/2025 Signature of Reporting Person Date CCT Services 1 Limited, By: /s/ Katie Bonfrer and /s/ Siobhan Crick 05/22/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The securities reported herein are held of record by MGD Holdings. Voting and dispositive decisions with respect to the shares held by MGD Holdings are made by its sole director, CCT Services 1 Limited. As such, CCT Services 1 Limited may be deemed to share beneficial ownership of such securities. ( 2 )Each outstanding share of Class B common stock will be convertible at any time at the option of the holder into one share of Class A common stock. In addition, each share of Class B common stock will convert automatically into one share of Class A common stock upon any transfer, whether or not for value, except for certain permitted transfers. ( 3 )Upon the closing of the Issuer's initial public offering, the convertible notes will automatically convert into shares of Class A Common Stock upon the terms of the Note Conversion Agreement, as further described in the Issuer's Form S-1 (File No. 333-285471).

Remarks: Exhibit 24 - Power of Attorney.

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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