J.Y. Park, founder and Chief Commercial Officer of JYP Entertainment, has purchased 6,200 new shares in the company at around 83,000 KRW per share, totaling approximately 5 billion KRW (~ $3.7 million USD).

According to an update by the Financial Supervisory Service on January 18, J.Y. Park made the purchases between January 17-18. With this, the founder's shares in JYPE has increased from 15.22% to 15.37%. 

In the past few days, JYP Entertainment's stock prices plummeted by around 19.25%. It's believed that J.Y. Park took advantage of the fluctuation period to expand his own shares, purchasing more shares at a "discounted price".