HORNE WILLIAM B.

PrivateCIK: 1333268
Location

COSTA MESA, CA

HORNE WILLIAM B. (Chief Financial Officer) purchased 20.0% of their position (1K shares) of HYPERSCALE DATA, INC. on the open market

Open‑market purchase worth $18.0K — a significant purchase. The strongest form of insider conviction signal.

P · 1 purchase
InsiderHORNE WILLIAM B.CIK 1333268
→
IssuerHYPERSCALE DATA, INC.CIK 896493
DirectorOfficer· Chief Financial Officer
Since Dec 2018
+1K
Net shares
Net buyer
$18.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
1K acquired
Non-Derivative Transactions1

13% Series D Cumulative Redeemable Perpetual Preferred Stock

Direct
P · Purchase

Shares

+1K

Price / share

$18.00

Trade value

$18K

% of position

20.0%
9/16/2026
5K→6K
Total

Net shares

+1K

Net value

$18K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Class A Common Stock

Direct
Shares owned300K
Total
300K direct300K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
HORNE WILLIAM B. — Insider Transaction (Form 4) Filed Sep 18, 2026 | Finecho