Steve Wynn is digging deep into the coffers once again for Wynn Resorts.

A filing to the U.S. Securities and Exchange Commission last week reported that the Wynn Resorts Ltd. chairman spent an estimated US$31.86 million to buy more than half a million of his company’s shares on the open market.

According to the filing, eight separate transactions were made between Wednesday and Friday, in which the Wynn Resorts founder bought a total of 572,850 shares at prices ranging between US$53.21 per share and US$59.19 per share. The shares were bought via the Wynn Family Ltd. Partnership, the company stated.

Steve Wynn’s directly and indirectly held stake in the casino operator now amounted to 11,741,477 shares.