For many investors, billionaire Mark Cuban may be best known as one of the investors on the popular ABC program Shark Tank. But for crypto enthusiasts, Cuban is best known as a champion of Bitcoin, Ethereum, and Dogecoin during the previous crypto bull market rally.

Billionaire Mark Cuban came clean about the hefty chunk of change he paid in taxes this year, publishing the nine-figure number on X this week.

After selling his majority interest in the Mavericks to the Adelson family, Cuban has maintained his entrepreneurial role in Dallas’ business scene. He currently runs a healthcare venture called Mark Cuban Cost Plus Drugs Company, which began manufacturing its own drugs at its Deep Ellum facility in early March.

"This country has done so much for me, I'm proud to pay my taxes every single year," Cuban wrote on X. "Tag a former president that you know doesn't."

Billionaire and Shark Tank co-host Mark Cuban stated Sunday he is proud to pay his taxes every year, joking that his social media followers should “tag a former president” who does not. Cuban’s post on social media was referencing how former President Donald Trump declared negative income on his federal returns in 2015,

"I pay what I owe," Cuban wrote on X, on Sunday. “This country has done so much for me, I’m proud to pay my taxes every single year. We only get to be entrepreneurs and enjoy our lives because some men and women dedicate their lives to protecting our country,

"I pay what I owe. Tomorrow I will wire transfer to the IRS $288,000,000.00... Tag a former president that you know doesn’t."