X0609 4 2026-09-01 0 0002084026 QumulusAI, Inc. QMLS 0001985367 Maniscalco Michael false 817 W. PEACHTREE STREET NW, SUITE 935 ATLANTA GA 30308 1 1 0 0 Chief Executive Officer 0 Common Stock 2026-09-01 4 A 0 127768 0 A 127768 D Common Stock 2026-09-01 4 A 0 303406 0 A 431174 D These shares vest with respect to 31,942 shares on September 1, 2026 and with respect to 6.25% of the remaining shares quarterly over 12 quarters commencing December 1, 2026 pursuant to a restricted stock unit award granted under the QumulusAI, Inc. 2026 Equity Incentive Plan, conditioned upon the Reporting Person remaining an employee of QumulusAI, Inc. through the applicable vesting date. These shares vest with respect to 75,852 shares on September 1, 2027 and with respect to 6.25% of the remaining shares quarterly over 12 quarters commencing December 1, 2027 pursuant to a restricted stock unit award granted under the QumulusAI, Inc. 2026 Equity Incentive Plan, conditioned upon the Reporting Person remaining an employee of QumulusAI, Inc. through the applicable vesting date. Includes 399,232 shares to be issued upon vesting pursuant to restricted stock unit awards granted under the QumulusAI, Inc. 2026 Equity Incentive Plan, conditioned upon the Reporting Person remaining an employee of QumulusAI through the applicable vesting dates. /s/ Michael Maniscalco 2026-09-02