Hyperscale Data CEO buys Series D preferred shares

Hyperscale Data, Inc. director and Chief Executive Officer William B. Horne reported an open-market purchase of the company’s 13% Series D Cumulative Redeemable Perpetual Preferred Stock.

Rhea-AI Filing Summary

Hyperscale Data, Inc. director and Chief Executive Officer William B. Horne reported an open-market purchase of the company’s 13% Series D Cumulative Redeemable Perpetual Preferred Stock. On June 29, 2026, he bought 5,000 preferred shares at $19.00 per share.

After this transaction, Horne directly owns 5,000 shares of this preferred stock series, reflecting a new personal position in the company’s income-oriented security rather than its common stock.

Insider Trade Summary

Net Buyer: 5,000 shares

Net Buy 1 txn

Insider Horne William B.

Role Chief Executive Officer

Bought 5,000 shs ($95K)

Type	Security	Shares	Price	Value
Purchase	13% Series D Cumulative Redeemable Perpetual Preferred Stock	5,000	$19.00	$95K

Holdings After Transaction: 13% Series D Cumulative Redeemable Perpetual Preferred Stock — 5,000 shares (Direct)

Key Figures

Shares purchased: 5,000 shares Purchase price: $19.00 per share Dividend rate: 13% +1 more

4 metrics

Shares purchased 5,000 shares 13% Series D preferred bought in open market on June 29, 2026

Purchase price $19.00 per share Price paid for 13% Series D preferred on June 29, 2026

Dividend rate 13% Coupon rate of Series D cumulative redeemable perpetual preferred stock

Holdings after transaction 5,000 shares Direct ownership of 13% Series D preferred following the purchase

Key Terms

13% Series D Cumulative Redeemable Perpetual Preferred Stock, open-market purchase, Form 4, Cumulative Redeemable Perpetual Preferred

4 terms

13% Series D Cumulative Redeemable Perpetual Preferred Stock financial

"security_title: "13% Series D Cumulative Redeemable Perpetual Preferred Stock""

open-market purchase financial

"transaction_action: "open-market purchase""

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Cumulative Redeemable Perpetual Preferred financial

"13% Series D Cumulative Redeemable Perpetual Preferred Stock"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider trade did Hyperscale Data (GPUS) report for William B. Horne?

Hyperscale Data reported that CEO and director William B. Horne made an open-market purchase of the company’s 13% Series D Cumulative Redeemable Perpetual Preferred Stock, buying 5,000 shares at $19.00 per share on June 29, 2026.

How many Hyperscale Data (GPUS) preferred shares did the CEO buy and at what price?

William B. Horne purchased 5,000 shares of Hyperscale Data’s 13% Series D Cumulative Redeemable Perpetual Preferred Stock. The transaction was an open-market purchase at a price of $19.00 per share on June 29, 2026.

What class of securities did Hyperscale Data (GPUS) CEO acquire in the latest Form 4?

The CEO acquired 13% Series D Cumulative Redeemable Perpetual Preferred Stock, not common stock. He bought 5,000 preferred shares at $19.00 per share in an open-market transaction and now directly holds 5,000 shares of this preferred series.

Is the Hyperscale Data (GPUS) insider transaction a buy or a sale?

The reported insider transaction is a buy. William B. Horne executed an open-market purchase of 5,000 shares of Hyperscale Data’s 13% Series D preferred stock at $19.00 per share, increasing his direct ownership in that security.

What are William B. Horne’s holdings after the Hyperscale Data (GPUS) Form 4 trade?

Following the reported transaction, William B. Horne directly owns 5,000 shares of Hyperscale Data’s 13% Series D Cumulative Redeemable Perpetual Preferred Stock. The filing does not list any derivative positions, so this preferred stake represents his disclosed holding in that security.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/01/2026 - 04:30 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Horne William B.

(Last) (First) (Middle)

11411 SOUTHERN HIGHLANDS PARKWAY

SUITE 190

(Street)

LAS VEGAS NEVADA 89141

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Hyperscale Data, Inc. [ GPUS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
13% Series D Cumulative Redeemable Perpetual Preferred Stock	06/29/2026		P		5,000	A	$19	5,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

	/s/ William B. Horne	07/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)