One week later, when his web price plunged to $10.1 billion, he wasn’t round both.
Officers on the headquarters of Regencell Bioscience Holdings Ltd stated each instances that Au solely takes quick visits there, earlier than turning away reporters. The agency, a Nasdaq-listed, Cayman Islands-incorporated traditional Chinese medicine firm, occupies the entire ninth flooring of a tower in Hong Kong’s bustling Causeway Bay, together with a reception space with a big table-tennis desk.
Little remains to be recognized concerning the tiny, money-losing firm whose shares exploded 82,000% increased and instantly made Au, its chief government officer with an 86% stake, richer on paper than a few of the metropolis’s tycoons like Li Ka-shing. The fleeting nature of its rip-roaring rally has captivated and mystified observers from the US to Hong Hong. Morning Brew, a preferred enterprise account on X, flagged it’s inventory transfer and puzzled: “Is there one thing I’m lacking?”
Regulators within the US, which intently monitor wild swings in inventory costs, may quickly be asking the identical query, in response to consultants.
The Monetary Business Regulatory Authority, the watchdog for broker-dealers, has repeatedly warned that small, low-cost shares are extra prone to fraud. These corporations might be targets for pump-and-dump schemes during which fraudsters inflate the inventory worth and shortly promote their shares.The US Securities and Alternate Fee, in the meantime, has been more and more cautious about corporations listed on US exchanges which can be primarily based abroad — and Regencell checks each bins. The regulator on June 4 referred to as on the general public to weigh in on whether or not the company wanted to amend the definition of what’s referred to as a overseas personal issuer, doubtlessly limiting the variety of corporations that qualify for particular standing that lets them keep away from submitting quarterly monetary experiences or disclosing when executives purchase or promote firm shares.“That is an instance of very uncommon actions in share costs,” stated Richard Harris, founder and chief government of Port Shelter Funding Administration in Hong Kong. “These actions might definitely set off curiosity by investigators.”
The SEC and Finra declined to touch upon whether or not they had been monitoring Regencell’s strikes.
Finra’s mission is to guard buyers and safeguard market integrity, spokesperson Rita De Ramos stated. “Consistent with that mission, Finra continues to observe the marketplace for uncommon buying and selling exercise, as a part of our regular plan of action.”

Regencell didn’t reply to emails and telephone requires touch upon its inventory efficiency and its founder’s fortune.
Based in 2014, Regencell’s primary line of enterprise is advertising and licensing conventional remedies for ADHD and autism spectrum dysfunction developed by the founder’s father, Sik-Kee Au. It has unique rights over his conventional medicinal formulation, trademarked underneath the identify Mind Concept.
The agency posted web losses of $4.4 million and $6.1 million, respectively, for the fiscal years ended June 2024 and 2023, in response to filings. Its chief medical officer place has been vacant because the final physician to carry the job resigned in 2022.
The youthful Au attended the Haas Faculty of Enterprise on the College of California, Berkeley and labored at Deutsche Financial institution AG within the late Nineteen Nineties. He suffered from studying problems and speech issues, had poor grades and an uncontrollable mood, in response to a video submit on the corporate’s Instagram account. Regencell’s mission is to “enhance and save lives utilizing a pure and holistic TCM system to deal with ADHD and ASD,” in response to the identical video.
The corporate’s official Instagram account has greater than half one million followers. BeOne Medicines Ltd., the most important healthcare agency listed in Hong Kong, has simply over 2,500. Regencell constructed out a following with the assistance of social-media campaigns on the platform that provided free tickets for Taylor Swift live shows within the US and Asia.
The corporate’s second-largest shareholder is Digital Cellular Enterprise Ltd., a agency in the end owned by Taiwan’s Samuel Chen and his spouse Fiona Chang. Chen was an investor whose early investments in Zoom Video Communications Inc. made him a fortune when the corporate’s inventory soared nearly 1,500% throughout the pandemic.
Chen, Chang and their youngsters personal a 55% stake in Taipei-based Polaris Group, a biotechnology firm creating anti-cancer medicine. He’s additionally the most important shareholder of Sonix Expertise Co., a supplier of built-in circuits listed in Taipei.
Bloomberg Information obtained no reply to emails despatched to Polaris and Sonix searching for feedback from Chen.
Whereas monitoring for wild worth swings was carried out manually, the SEC and Finra now have packages to routinely detect market anomalies, in response to Erik Gordon, professor on the College of Michigan’s Ross Faculty of Enterprise. They will additionally compel corporations to share in the event that they know why their inventory worth soared or crashed or whether or not insiders cashed in on the peak.
The absence of income or revenues at Regencell isn’t an automated pink flag; loads of early-stage pharmaceutical corporations have comparable funds, he stated.
On June 18, two males and a girl arrived at Regencell’s Hong Kong workplace searching for details about remedy for ADHD and dementia. They stated they learn concerning the inventory’s surge earlier than arriving. The guests had been additionally turned away. An worker stated its employees weren’t medical doctors, and directed them to the corporate’s web site.
“Early stage pharma corporations can soar from a greenback to 4 {dollars} in 90 seconds if there’s some information about one among their medicine underneath improvement doing properly in a medical trial,” Gordon stated. On this case, “what’s attention-grabbing is there’s no information.”