GameStop stock-trading star Keith Gill - also known as Roaring Kitty - is reportedly under investigation as regulators look at his previous financial-advisement job

• Keith Gill, the trader known on Reddit for reaping hefty gains from GameStop's recent stock spike, is under investigation, The New York Times reported.
• Gill rose to internet fame as pseudonyms Roaring Kitty and u/DeepFuckingValue when GameStop skyrocketed.
• Regulators are probing whether his investment broke rules associated with his job as a financial advisor.
• Sign up here for our daily newsletter, 10 Things Before the Opening Bell.

The risk-loving investor who goes by Roaring Kitty on YouTube and u/DeepFuckingValue on Reddit is being investigated for his previous job as a financial adviser, The New York Times reported Wednesday.

Keith Gill rose to fame in January for his massive bet on GameStop. He first revealed his bullish stance on the beleaguered video-game retailer in a July YouTube video, saying that massive short interest in the stock could be leveraged to fuel a massive rally. Such a stock surge came to fruition last month, and Gill's position allegedly swelled to $48 million from roughly $755,000 at the peak of the Reddit-trader phenomenon.

Yet regulators in Massachusetts are now looking into whether Gill violated rules related to his previous job at Boston-based insurance firm MassMutual. Gill produced content for the company meant to promote financial wellness and education, according to the Times.

MassMutual reportedly told regulators that Gill gave his notice on January 21 but was still an employee through January 28. Since Gill worked in the firm's securities and investment advisory business and holds a CFA license, the lack of a disclosure regarding his GameStop trade could land him in hot water.

Read more: Market wizard Michael Kean has averaged a 29% annual compounded return since starting his company 10 years ago. He shares his unique stock-picking strategy and 4 pieces of advice for anyone who wants to become a trader.

Credentialed financial advisors have an "obligation" to tell employers about outside investing activities, William Galvin, Massachusetts' secretary of the commonwealth, told the Times. MassMutual was reportedly uninformed of Gill's GameStop trades and messaging around the stock.

The firm also told regulators that might have fired Gill had he not stopped such activity, according to the report.

Gill did not immediately reply to a request for comment. He also did not respond to the Times' messages seeking comment.

The latest activity on Gill's Reddit account suggests he plans to spend less time in the spotlight. The investor posted a screenshot of his GameStop position on Wednesday showing his stake is now worth $22 million, adding he plans to "back off the daily updates for now." The posts were among the most popular on Reddit and collectively garnered hundreds of dollars worth of virtual awards.

Read more: The GameStop mania driven by Reddit traders isn't simple market trolling. It's a populist movement threatening to disrupt the financial system to a degree Occupy Wall Street only dreamed of.