Hyperscale Data, Inc. (NYSE American: GPUS), an AI data center company based in Las Vegas, saw its stock jump over 60% on Jan. 2 following news of significant insider buying. The company operates through its subsidiary Sentinum, which runs Bitcoin mining and a digital asset treasury (DAT) strategy.
On Dec. 30-31, 2025, Milton C. Ault III, director, executive chairman, and 10% owner, purchased 1,608,800 common shares, according to a U.S. Securities and Exchange Commission (SEC) Form 4 filing. Insider purchases like this, legally disclosed to the SEC, are often interpreted by investors as a sign of confidence in the company’s prospects.
Hyperscale Data also disclosed that Sentinum held approximately 519.87 BTC as of Dec. 28, 2025, with 79.63 BTC generated from mining and 440.23 BTC acquired through open-market purchases. The company allocated $30.5 million in cash for further market purchases of Bitcoin as part of its DAT strategy.
Following the announcements, GPUS stock reached an intraday high of $0.2941 on Jan. 2. At the time of reporting, shares were trading at $0.2882.

