Regencell Bioscience Holdings Limited (NASDAQ:RGC)

Regencell spiked is up by more than 300 percent in a week and is trading at $54.20 (as of 21/03/25) following a share buyback from another shareholder. The stock began the week trading at $12.81 a share.

According to the company, its CEO Yat-Gai Au personally financed a share buyback program of 652,000 RGC shares from investment company Digital Mobile Venture.

The company snapped up more than $6.2 million of shares at an average price of $9.5 apiece. Following the acquisition, Au owned a little over 11 million shares, representing 86 percent of the company.

RGC is a biotech company that’s on a mission to commercialize traditional Chinese medicine for ADHD treatment.