SCHEDULE 13G 0002059554 XXXXXXXX LIVE Class A Common Stock, par value $0.0001 per share 06/30/2025 0001891027 MNTN, Inc. 55318A108 823 CONGRESS AVENUE, #1827 AUSTIN TX 78768 Rule 13d-1(d) Mark Douglas X1 9586506.00 0.00 9586506.00 0.00 9586506.00 N 17.8 IN Hot Springs Capital I LLC DE 9006581.00 0.00 9006581.00 0.00 9006581.00 N 16.9 OO Limited Liability Company MNTN, Inc. 823 CONGRESS AVENUE, #1827, AUSTIN, Texas, 78768 Mark Douglas Hot Springs Capital I LLC The principal business address for Mr. Douglas is c/o MNTN, Inc., 823 Congress Avenue, #1827, Austin, TX 78768. The principal business address for Hot Springs Capital I LLC is c/o Corporation Service Company, 251 Little Falls Drive, Wilmington, DE 19808. Mr. Douglas is a citizen of the United States. Hot Springs Capital I LLC is organized under the laws of the State of Delaware. Y The ownership information presented herein represents beneficial ownership of Class A Common Stock of the Issuer as of the date hereof, based upon 44,231,894 shares of Class A Common Stock outstanding as of October 31, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 10, 2025. The ownership information also assumes the conversion of the Class B common stock, par value $0.0001 per share ("Class B Common Stock"), of the Issuer into shares of Class A Common Stock on a one-to-one basis, and exercise of stock options disclosed below into shares of Class A Common Stock of the Issuer on a one-to-one basis. Hot Springs Capital I LLC may be deemed to beneficially own 9,006,581 shares of Class A Common Stock, which consists of (i) 4,414,342 shares of Class A Common Stock underlying shares of Class B Common Stock held directly and (ii) 4,592,239 shares of Class A Common Stock underlying shares of Class B Common Stock subject to stock options held directly that are fully vested. Mark Douglas may be deemed to beneficially own 9,586,506 shares of Class A Common Stock, which consists of (i) 131,925 shares of Class A Common Stock underlying shares of Class B Common Stock subject to stock options held directly that are fully vested; (ii) 448,000 shares of Class A Common Stock underlying shares of Class B Common Stock held by a trust for which Mr. Douglas is the trustee; and (iii) 9,006,581 shares of Class A Common Stock beneficially held by Hot Springs Capital I LLC, as described above, for which Mr. Douglas is trustee of its sole member. Mr. Douglas controls all voting and investment decisions for shares held by Hot Springs Capital I LLC. Mark Douglas: 17.8% Hot Springs Capital I LLC: 16.9% Mark Douglas: 9,586,506 Hot Springs Capital I LLC: 9,006,581 Mark Douglas: 0 Hot Springs Capital I LLC: 0 Mark Douglas: 9,586,506 Hot Springs Capital I LLC: 9,006,581 Mark Douglas: 0 Hot Springs Capital I LLC: 0 Y N Y Y Y Y Y Mark Douglas /s/ Mark Douglas 02/17/2026 Hot Springs Capital I LLC By: Bear Capital I, its sole member, By: /s/ Mark Douglas 02/17/2026