QumulusAI, Inc. filed a Current Report on Form 8-K with the Securities and Exchange Commission on September 22, 2026. The filing indicates that the company has made an updated investor presentation available to the public. The document, dated September 22, 2026, is accessible through the company’s investor relations website at investors.qumulusai.com.

The filing details that the information contained in the updated presentation and the attached exhibit shall not be deemed "filed" for purposes of the Securities Exchange Act of 1934, nor incorporated by reference in other filings, except as specifically referenced.

The report lists the company's principal executive address as 817 W Peachtree Street NW, Suite 935, Atlanta, Georgia 30308. The company's common stock trades on The Nasdaq Stock Market LLC under the ticker symbol QMLS.

Scott Krosnowski, the Chief Financial Officer of QumulusAI, signed the report on behalf of the registrant on the same date.