X0202 SCHEDULE 13G 0002095368 XXXXXXXX LIVE Common Stock, no par value per share 07/14/2026 0002084026 QumulusAI, Inc. 74906Q102 817 W PEACHTREE STREET NW, SUITE 935 ATLANTA GA 30308 Rule 13d-1(d) Bissell Robert Christopher X1 1756575.00 4101909.00 1756575.00 4101909.00 5858484.00 17.8 IN (1) The 1,756,575 shares noted above, consists of 1,439,656 shares of Common Stock held directly by Robert C. Bissell. Also includes 316,919 shares held by Chalin, Inc. Robert C. Bissell has sole voting and dispositive power over the shares held by Chalin, Inc. (2) The 4,101,909 shares noted above are held by Gratus Holdings, LLC. Robert C. Bissell and his spouse shares voting and dispositive power over the shares held by Gratus Holdings, LLC. (3) This percentage is based on 32,867,931 shares of Common Stock of the Issuer outstanding, which is the total number of shares of Common Stock outstanding as reported in the Issuer's Prospectus filed pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended, with the Securities and Exchange Commission, dated July 14, 2026. QumulusAI, Inc. 817 W PEACHTREE STREET NW, SUITE 935, ATLANTA, GEORGIA, 30308. Robert C. Bissell The principal address for Robert C. Bissell is: 817 W Peachtree Street NW, Suite 935 Atlanta, Georgia 30308 Robert C. Bissell is a citizen of the United States of America. Y Robert C. Bissell: The information required by Items 4(a)-(c) is set forth in Rows 5-11 of Robert C. Bissell's cover page and is incorporated herein by reference. Robert C. Bissell: The information required by Items 4(a)-(c) is set forth in Rows 5-11 of Robert C. Bissell's cover page and is incorporated herein by reference. Robert C. Bissell: The information required by Items 4(a)-(c) is set forth in Rows 5-11 of Robert C. Bissell's cover page and is incorporated herein by reference. Robert C. Bissell: The information required by Items 4(a)-(c) is set forth in Rows 5-11 of Robert C. Bissell's cover page and is incorporated herein by reference. Robert C. Bissell: The information required by Items 4(a)-(c) is set forth in Rows 5-11 of Robert C. Bissell's cover page and is incorporated herein by reference. Robert C. Bissell: The information required by Items 4(a)-(c) is set forth in Rows 5-11 of Robert C. Bissell's cover page and is incorporated herein by reference. Y N Y Y Y Y Y Bissell Robert Christopher /s/ Robert C. Bissell 07/21/2026