X0609 4 2026-09-01 0 0002084026 QumulusAI, Inc. QMLS 0002095068 Schwartz Barry Paul false 33 SOUTH 6TH STREET SUITE 3600 MINNEAPOLIS MN 55402 1 0 0 0 0 Common Stock 2026-09-01 4 A 0 9583 0 A 94769 D Common Stock 2026-09-01 4 A 0 9583 0 A 104352 D These shares vest with respect to 3,162 shares on October 1, 2026 and with respect to 8.375% of the remaining shares quarterly over 8 quarters commencing January 1, 2027 pursuant to a restricted stock unit award granted under the QumulusAI, Inc. 2026 Equity Incentive Plan, conditioned upon the Reporting Person remaining a director of QumulusAI, Inc. through the applicable vesting date. These shares vest on October 1, 2026 pursuant to a restricted stock unit award granted under the QumulusAI, Inc. 2026 Equity Incentive Plan. Includes 19,166 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 a director of QumulusAI through the applicable vesting dates. /s/ Barry Paul Schwartz 2026-09-02