SCHEDULE 13G 0001098464 XXXXXXXX LIVE Common Stock, $0.001 par value per share 09/30/2025 0002071778 Fermi Inc. 314911108 620 S. Taylor, Suite 301 Amarillo TX 79101 Rule 13d-1(d) Melissa A. Neugebauer 2020 Trust TX 0.00 94359659.00 0.00 94359659.00 94359659.00 N 16.4 OO Aggregate amount beneficially owned consists of 94,359,659 shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust, for which Toby Neugebauer serves as the investment trustee. As the investment trustee, Mr. Neugebauer may be deemed to hold voting and investment power with respect to the shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust. Mr. Neugebauer disclaims beneficial ownership of the shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust except to the extent of his pecuniary interest therein. Percent ownership is calculated based on 574,977,840 shares of Common Stock outstanding as of September 30, 2025, as reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2025. Vicksburg Investments Management LLC TX 0.00 40156376.00 0.00 40156376.00 40156376.00 N 7.0 PN Aggregate amount beneficially owned consists of 40,156,376 shares of Common Stock held by Vicksburg Investments Management LLC, for which Mr. Neugebauer is a managing member. Percent ownership is calculated based on 574,977,840 shares of Common Stock outstanding as of September 30, 2025, as reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2025. Toby Neugebauer TX 4500000.00 139601446.00 4500000.00 139601446.00 144101446.00 N 24.1 IN Aggregate amount beneficially owned consists of 94,359,659 shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust, for which Toby Neugebauer serves as the investment trustee and may be deemed to hold voting and investment power with respect to the shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust. Mr. Neugebauer disclaims beneficial ownership of the shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust except to the extent of his pecuniary interest therein. Also consists of 40,156,376 shares of Common Stock held by Vicksburg Investments Management LLC, for which Mr. Neugebauer is a managing member, and 4,500,000 shares of Common Stock held by TMNN Manager LLC, for which Mr. Neugebauer is a managing member. Percent ownership is calculated based on 574,977,840 shares of Common Stock outstanding as of September 30, 2025, as reported by the Issuer in its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on November 12, 2025. Fermi Inc. 620 S. Taylor, Suite 301, Amarillo, Texas 79101 This Schedule 13G is being filed on behalf of: Melissa A. Neugebauer 2020 Trust Vicksburg Investments Management LLC Toby Neugebauer The principal business address of each of the Reporting Persons is 10777 Strait Lane, Dallas, TX 75229. See response to Item 4 on each cover page. Y See response to Item 9 on each cover page. 94,359,659 shares of Common Stock are directly held by the Melissa A. Neugebauer 2020 Trust, for which Toby Neugebauer serves as the investment trustee. As investment trustee, Mr. Neugebauer may be deemed to hold voting and investment power with respect to the shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust. Mr. Neugebauer disclaims beneficial ownership of the shares of Common Stock held by the Melissa A. Neugebauer 2020 Trust except to the extent of his pecuniary interest therein. As a Managing Member of each of Vicksburg Investments Management LLC and TMNN Manager LLC, Mr. Neugebauer may also be deemed to hold voting and investment power of the 40,156,376 shares of Common Stock held by Vicksburg Investments Management LLC and the 4,500,000 shares of Common Stock held by TMNN Manager LLC. Nothing in this statement shall be deemed an admission of beneficial ownership of the reported securities for purposes Section 13(d) or Section 13(g) of the Exchange Act. See response to Item 11 on each cover page. See response to Item 5 on each cover page. See response to Item 6 on each cover page. See response to Item 7 on each cover page. See response to Item 8 on each cover page. Y Y Y Y Y Y A Joint Filing Agreement Melissa A. Neugebauer 2020 Trust /s/ Toby Neugebauer 11/14/2025 Vicksburg Investments Management LLC /s/ Toby Neugebauer 11/14/2025 Toby Neugebauer /s/ Toby Neugebauer 11/14/2025