SEC Form 4 · accession 0002095785-26-000002
QumulusAI, Inc. · QMLS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Ankur Chatterjee
Officer — Chief Integration Officer
Period of report
Sep 1, 2026
Accepted (ET)
Sep 2, 2026 · 6:51 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0002084026
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Sep 1, 2026 | A | 85,179 | $0.00 | A | 85,179 | D | |
| Common StockF2 | Sep 1, 2026 | A | 83,659 | $0.00 | A | 168,838 | D | |
| Common StockF3,F4 | Sep 1, 2026 | A | 69,606 | $0.00 | A | 238,444 | D | |
| Common Stock | holding | — | — | — | 28,811 | I | By Kesston Group, LLC |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1These shares vest with respect to 21,295 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.
- F2These shares vest on September 1, 2026 pursuant to a restricted stock unit award granted under the QumulusAI, Inc. 2026 Equity Incentive Plan.
- F3These shares vest with respect to 17,402 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.
- F4Includes 133,490 shares to be issued upon vesting pursuant to a 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.