Mark Cuban was born on July 31, 1958 in Pittsburgh, Pennsylvania.

At the age of 12, Mark Cuban sold trash bags as his first business venture.

Mark Cuban graduated from Indiana University in 1980 with a business degree after transferring from the University of Pittsburgh. This event marked a significant milestone in his academic and professional journey.

Mark Cuban completed his Bachelor of Science in Business degree from Kelley School of Business in 1981.

Mark Cuban moved to Dallas, Texas, where he started his career as a bartender and later co-founded MicroSolutions, a successful system integrator and software reseller.

Mark Cuban founded his first company in 1983.

Mark Cuban achieved his first million-dollar success by selling his software company, Microsolutions, for 2.2 million dollars to CompuServe in 1990.

In 1995, Mark Cuban and Todd Wagner founded AudioNet, later known as Broadcast.com, which offered various live programming online. The company's success culminated in its sale to Yahoo! for about $5.7 billion in 1999, making Cuban a billionaire.

Mark Cuban and Todd Wagner founded AudioNet, later known as Broadcast.com, which became the first streaming company. The company went public in 1998, making Cuban a multi-millionaire and eventually a billionaire after selling it to Yahoo.

On April 1, 1999, Mark Cuban's company underwent a conversion.

On January 14, 2000, Mark Cuban bought the Dallas Mavericks for 285 million dollars.

In 2001, Mark Cuban and Todd Wagner established the film distribution company Magnolia Pictures.

On September 6, 2001, Mark Cuban was associated with AXS TV.

In September 2002, Mark Cuban married Tiffany Stewart in a private ceremony in Barbados. They have three children together and reside in Dallas, Texas.

On September 24, 2003, 2929 Entertainment acquired Landmark Theatres, a chain of arthouse movie theaters, expanding its entertainment portfolio.

In February 2004, Mark Cuban partnered with ABC to produce the reality TV series, The Benefactor, where contestants competed for a $1 million prize, although the show was canceled due to low ratings.

During the 2005–06 NBA season, Mark Cuban initiated a booing campaign against a former Mavericks player and was fined for rushing onto the court to criticize NBA officials.

Mark Cuban was featured in GQ's 'Men of the Year' edition in 2006.

In July 2006, Mark Cuban financed Sharesleuth.com, a website aimed at uncovering fraud in publicly traded companies. Cuban disclosed that he would take positions in the shares of companies mentioned on the website before publication, sparking controversy.

On September 12, 2007, Mark Cuban announced that he was in talks with WWE Chairman Vince McMahon to create a mixed martial arts company to compete with UFC.

On November 17, 2008, the U.S. Securities and Exchange Commission (SEC) filed a civil suit against Mark Cuban, accusing him of insider trading in the shares of Mamma.com. Cuban was alleged to have sold his holdings in Mamma.com after being confidentially approached by the company about a transaction that would dilute shares of current shareholders.

On January 16, 2009, Mark Cuban was fined for yelling at Denver Nuggets player J. R. Smith during a game and offered to match the fine with a charity donation.

On May 22, 2010, Mark Cuban was fined $100,000 for comments about trying to sign LeBron James during a television interview.

In 2011, the Dallas Mavericks, owned by Mark Cuban, won the NBA championship after previously losing in the finals in 2006.

On November 22, 2016, Mark Cuban met with then President-elect Trump's key advisor Steve Bannon.

In March 2013, Mark Cuban faced a trial for insider trading charges brought by the SEC. Despite the legal battle, Cuban was eventually cleared of all charges by a Texas jury.

On January 18, 2014, Mark Cuban was fined $100,000 for confronting referees and using inappropriate language, with a condition to match the fine with a charity donation.

In June 2015, Mark Cuban made a significant donation of $5 million to Indiana University Bloomington for the establishment of the 'Mark Cuban Center for Sports Media and Technology' within the school's basketball arena.

In September 2015, Mark Cuban mentioned in an interview that running for president in the 2016 U.S. election was a fun idea to consider. He expressed confidence that he could beat both Trump and Clinton if he ran, sparking speculation about his potential candidacy.

In October 2015, Mark Cuban posted on Twitter about the possibility of running for Speaker of the House. This tweet came at a time when there was no clear front-runner for the position, leading to discussions about Cuban's political ambitions.

On July 21, 2016, Mark Cuban appeared on The Late Show with Stephen Colbert in a segment titled 'Gloves Off: Mark Cuban Edition'. During the show, Cuban mocked Trump by referencing his business failures and questioning his net worth, showcasing their public rivalry.

In October 2017, Mark Cuban expressed his intention to run for president if he was single. He also mentioned the possibility of running as a Republican in 2020, positioning himself as socially centrist but fiscally conservative.

On February 21, 2018, Mark Cuban was fined $600,000 for suggesting that the Dallas Mavericks should 'tank for the rest of the season,' deemed detrimental to the NBA.

In March 2019, Mark Cuban stated that he was strongly considering running for president as an independent candidate. This move signaled his potential entry into the 2020 presidential race, showcasing his evolving political aspirations.

In May 2019, Mark Cuban mentioned that certain circumstances could lead him to run for president in 2020. He acknowledged the possibility but refrained from making definitive predictions about his candidacy.

On March 6, 2020, Mark Cuban was fined $500,000 for public criticism and conduct regarding NBA officiating, as stated by the league.

On February 2, 2021, Mark Cuban joined Reddit's WallStreetBets 'Ask Me Anything' forum to discuss the battle between retail traders and Wall Street short sellers over GameStop shares.

In January 2022, Mark Cuban launched the Mark Cuban Cost Plus Drug Company with the goal of reducing generic drug prices for consumers in the U.S.

In July 2022, Voyager Digital filed for Chapter 11 bankruptcy protection, leading to a class-action lawsuit naming Mark Cuban and the Dallas Mavericks for allegedly promoting a Ponzi scheme.

In September 2023, scammers drained Mark Cuban's MetaMask cryptocurrency wallet, resulting in a loss of approximately $870,000 worth of tokens.

Mark Cuban sold 58% of the Dallas Mavericks in December 2023 for an estimated $2 billion (pre-tax).

Mark Cuban, a successful entrepreneur and panelist on 'Shark Tank', started his journey to wealth by selling garbage bags as a teenager. This humble beginning eventually led him to become a billionaire through hard work and determination.

Despite facing criticism, Mark Cuban stands by his support for diversity, equity, and inclusion policies.

Mark Cuban disclosed the amount he is paying in taxes while also making a critical comment towards Donald Trump.

On April 15, 2024, Mark Cuban shared his 9-figure tax bill on IRS due day.