Horne William B.
Chief Executive Officer
Horne William B. has filed 8 SEC Form 4 filings (9 transaction rows) across 2 companies, including GPUS, ALZN, with disclosures dating back to 2025. 8 of those filings fall inside the rolling window. Most recent filing: Sep 30, 2026.
On the most recent filing, Horne William B. is listed as Chief Executive Officer at Hyperscale Data, Inc. Inside the rolling window, Horne William B. reported 8 open-market purchases totaling $118K in GPUS and 1 open-market sale totaling $7K in ALZN. The largest disclosed transaction in the window is a purchase of 200,000 GPUS shares on Jun 11, 2026, worth $34K.
Companies traded
Other insiders at GPUS
Insider Buying
$118K
reported purchases (SEC code P)
Insider Selling
$7K
reported sales (SEC code S)
Companies
2
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| GPUS | Chief Executive Officer | Purchase | 100,000 | $16K | Sep 30 | SEC ↗ | |
| GPUS | Chief Executive Officer | Purchase | 100,000 | $17K | Sep 29 | SEC ↗ | |
| GPUS | Chief Executive Officer | Purchase | 1,000 | $18 | Sep 18 | SEC ↗ | |
| GPUS | Chief Executive Officer | Purchase | 100,000 | $20K | Sep 8 | SEC ↗ | |
| GPUS | Chief Executive Officer | Purchase | 60,000 | $11K | Sep 8 | SEC ↗ | |
| GPUS | Chief Executive Officer | Purchase | 100,000 | $20K | Sep 2 | SEC ↗ | |
| GPUS | Chief Executive Officer | Purchase | 5,000 | $19 | Jul 1 | SEC ↗ | |
| GPUS | Chief Executive Officer | Purchase | 200,000 | $34K | Jun 12 | SEC ↗ | |
| ALZN | Director | Sale | 3,333 | $7K | Dec 23 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Horne William B. made?
Horne William B. has filed 8 SEC Form 4 filings (9 transaction rows) across 2 companies, including GPUS, ALZN since 2025.
Which companies does Horne William B. trade?
Horne William B. has filed SEC Form 4 disclosures for 2 companies, including GPUS, ALZN.
When was Horne William B.'s most recent SEC Form 4 filing?
Horne William B.'s most recent SEC Form 4 filing on Tracefour is dated Sep 30, 2026.
What is Horne William B.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Horne William B. is listed as Chief Executive Officer.
What is Horne William B.'s total buy and sell value in the current window?
Inside the rolling retention window, Horne William B. bought $118K and sold $7K based on SEC Form 4 filings.
What was Horne William B.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 200,000 GPUS shares on 2026-06-11, worth $34K, per SEC Form 4 filings.