Stephen Ralph Gertz - 01 Sep 2026 Form 4 Insider Report for QumulusAI, Inc. (QMLS)

Reporting relationship: Chief Growth Officer
Issuer ticker: QMLS
Reported as of: 01 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Sep 2026, 17:00:43 UTC
Prior SEC filing: 14 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Stephen Ralph Gertz

Key filing fact

Stephen Ralph Gertz filed Form 4 for QumulusAI, Inc. (QMLS) on 02 Sep 2026.

Key facts

This page summarizes Stephen Ralph Gertz's Form 4 filing for QumulusAI, Inc. (QMLS).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 Sep 2026, 17:00.

Change

Previous filing in this sequence was filed on 14 Jul 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002098854 Primary reporting owner

Gertz Stephen Ralph

Relationship: Chief Growth Officer
Address: C/O FOX ROTHSCHILD LLP, 33 S. SIXTH STREET, SUITE 3600, MINNEAPOLIS
Signature: /s/ Stephen Ralph Gertz
Signature date: 02 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

QMLS transaction

Common Stock

Award

Transaction value
Shares: +46,848
Change %: +91%
Price: $0.000000^*
Shares after: 98,558
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F1

QMLS transaction

Common Stock

Award

Transaction value
Shares: +58,329
Change %: +59%
Price: $0.000000^*
Shares after: 156,887
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F2

QMLS transaction

Common Stock

Award

Transaction value
Shares: +90,112
Change %: +57%
Price: $0.000000^*
Shares after: 246,999
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F3

QMLS transaction

Common Stock

Award

Transaction value
Shares: +19,165
Change %: +7.8%
Price: $0.000000^*
Shares after: 266,164
Date: 01 Sep 2026
Ownership: Direct
Footnotes: F4, F5

QMLS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 83,336
Date: 01 Sep 2026
Ownership: By JGS Partners LLC

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

These shares vest with respect to 11,712 shares on March 1, 2027 and with respect to 6.25% of the remaining shares quarterly over 12 quarters commencing June 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.

Footnote F2

These shares vest on March 1, 2027 pursuant to a restricted stock unit award granted under the QumulusAI, Inc. 2026 Equity Incentive Plan.

Footnote F3

These shares vest with respect to 22,528 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.

Footnote F4

These shares vest on October 1, 2026 pursuant to a restricted stock unit award granted under the QumulusAI, Inc. 2026 Equity Incentive Plan.

Footnote F5

Includes 214,454 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.