[424B5] Hyperscale Data, Inc. Prospectus Supplement (Debt Securities)

Rhea-AI Filing Summary

Hyperscale Data, Inc. filed a prospectus supplement for an at‑the‑market program covering up to $125 million of Class A Common Stock.

Between August 29, 2025 and November 4, 2025, the company sold 255,490,454 shares of Class A Common Stock for aggregate gross proceeds of approximately $125 million. Effective November 4, 2025, the company halted all future offers and sales under the Sales Agreement.

Insights

Capital markets analyst

ATM completed at $125M; share sales halted Nov 4.

Hyperscale Data used an at‑the‑market (ATM) facility to issue equity directly into the market, a primary transaction where proceeds go to the company. The supplement states aggregate gross proceeds of $125,000,000 tied to sales of Class A Common Stock.

The period specified is August 29, 2025 to November 4, 2025, during which 255,490,454 shares were sold for the stated proceeds. The filing also notes that, effective November 4, 2025, the company halted further offers and sales under the Sales Agreement.

This action details completed capital raising and a cessation of future ATM activity under the agreement; any additional equity activity would require separate authorization or disclosure.

Filed Pursuant to Rule 424(b)(5)

Registration No. 333-288778

SUPPLEMENT TO PROSPECTUS SUPPLEMENT

DATED AUGUST 29, 2025

(To the Prospectus dated August 28, 2025)

Hyperscale Data, Inc.

Up to $125 million of

Class A Common Stock

This prospectus supplement cancels and supersedes our prospectus supplement, dated August 29, 2025, related to the At-The-Market Issuance Sales Agreement, dated August 29, 2025, with Wilson-Davis & Co., Inc. (the “Sales Agreement”), as previously disclosed in our Form 8-K filed with the Securities and Exchange Commission on August 29, 2025, and should be read together with the accompanying prospectus dated August 28, 2025.

Between August 29, 2025, the date of the Sales Agreement, and November 4, 2025, we sold an aggregate of 255,490,454 shares of our Class A Common Stock (“Common Stock”) for aggregate gross proceeds of approximately $125 million. Effective November 4, 2025, we halted all future offers and sales of our Common Stock under the Sales Agreement.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities, or determined if this prospectus supplement or the prospectus to which it relates is truthful or complete. Any representation to the contrary is a criminal offense.

The date of this prospectus supplement is November 4, 2025.

FAQ

What did GPUS register in this prospectus supplement?

It covers an at‑the‑market offering of up to $125 million of Class A Common Stock.

How many GPUS shares were sold under the ATM and for how much?

Between August 29, 2025 and November 4, 2025, the company sold 255,490,454 shares for aggregate gross proceeds of approximately $125 million.

Is Hyperscale Data (GPUS) still selling shares under the ATM?

No. Effective November 4, 2025, the company halted all future offers and sales under the Sales Agreement.

What type of transaction is this for GPUS?

A primary at‑the‑market (ATM) equity offering of Class A Common Stock.

Who receives the proceeds from the ATM sales?

As a primary issuance, proceeds are received by Hyperscale Data, Inc.