Mark Cuban is a prominent American businessman, entrepreneur, and media personality. He's recognized for his ownership of the Dallas Mavericks NBA team and his co-ownership of 2929 Entertainment. Cuban gained further recognition as an investor on the reality TV show Shark Tank from 2012 to 2025, where he invested in numerous startups. His career spans technology, sports, and entertainment, making him a highly visible figure in the business world.
The Securities Act of 1933 extends to targeted solicitation using social media, as ruled in February 2022 in a lawsuit against Bitconnect.
On July 31, 1958, Mark Cuban, an American businessman, entrepreneur, and television personality, was born.
In 1981, Mark Cuban graduated from the Kelley School of Business at Indiana University with a Bachelor of Science degree in management.
In 1989, Audionet was founded by Chris Jaeb, who retained 10% of the company.
In 1990, Mark Cuban sold MicroSolutions to CompuServe for $6 million, earning approximately $2 million after taxes.
In 1995, Mark Cuban and Todd Wagner joined Audionet, combining their interest in Indiana Hoosiers college basketball and webcasting.
In 1996, Mark Cuban donated $6,000 to Republican Senator Orrin Hatch of Utah.
In 1998, Audionet was renamed Broadcast.com.
In 1999, Broadcast.com was acquired by Yahoo! for $5.7 billion in Yahoo! stock during the dot com boom, and that year Broadcast.com helped launch the first live-streamed Victoria's Secret Fashion Show.
On January 4, 2000, Mark Cuban purchased a majority stake in the NBA's Dallas Mavericks for $285 million from H. Ross Perot Jr.
In September 2002, Mark Cuban married Tiffany Stewart in a private ceremony in Barbados.
In 2002, Mark Cuban criticized the NBA's manager of officials, Ed T. Rush, saying he "wouldn't be able to manage a Dairy Queen." Dairy Queen management invited him to manage a Dairy Queen restaurant for a day. Cuban accepted and worked for a day at a Dairy Queen in Coppell, Texas, where fans lined up to get a Blizzard from him.
In 2002, Mark Cuban donated $1,000 to Democratic California Congresswoman Zoe Lofgren.
In 2002, the Broadcast.com service, which Mark Cuban had previously sold to Yahoo! Inc., was discontinued.
On September 24, 2003, Mark Cuban's firm purchased Landmark Theatres, a chain of 58 arthouse movie theaters.
In 2003, Mark Cuban and Tiffany Stewart had their first daughter.
In 2003, Mark Cuban was involved in a staged altercation at WWE's Survivor Series with Eric Bischoff and Randy Orton.
In June 2004, Mark Cuban allegedly sold his holdings in Mamma.com after he had been confidentially approached by the company to participate in a transaction likely to dilute shares of current shareholders, saving him from a loss of $750,000, which led to the SEC filing a civil suit against him in November 2008.
During the 2005-06 NBA season, Mark Cuban started a booing campaign when former Mavericks player Michael Finley returned to play against the Mavericks as a member of the San Antonio Spurs.
In 2005, Mark Cuban expressed interest in buying the NHL's Pittsburgh Penguins.
In 2005, Mark Cuban invested $1.7 million in file-sharing company Red Swoosh, co-founded by Travis Kalanick.
In 2005, Mark Cuban invested in Brondell Inc., a company making the Swash high-tech toilet seat, and Goowy Media Inc., an Internet software startup.
In April 2006, Sirius Satellite Radio announced that Mark Cuban would host his own weekly radio talk show, Mark Cuban's Radio Maverick, which ultimately did not materialize.
In a June 30, 2006 interview, Mavericks player Dirk Nowitzki spoke about Mark Cuban. Cuban's ownership has been the source of extensive media attention and controversy involving league policies.
In July 2006, Mark Cuban financed Sharesleuth.com, a website created to uncover fraud in publicly traded companies, experimenting with a new business model for online journalism. Cuban disclosed he would take positions in the shares of companies mentioned in advance of publication.
In 2006, 2929 Entertainment released Bubble, a movie directed by Steven Soderbergh.
In 2006, Mark Cuban and Tiffany Stewart had their second daughter.
In 2006, Mark Cuban joined an investment group to attempt to acquire the Pittsburgh Penguins; however, the franchise rejected their bid.
In 2006, during a playoff series between the Mavericks and Spurs, Mark Cuban cursed Spurs forward Bruce Bowen and was fined $25,000 by the NBA. After the 2006 NBA Finals, Cuban was fined $250,000 by the NBA for repeated misconduct following the Mavericks' loss to the Miami Heat in Game Five.
In 2006, under Mark Cuban's ownership, the Dallas Mavericks reached their first NBA Finals, where they lost to the Miami Heat.
Through Magnolia Pictures, Mark Cuban financed Redacted, a fictional dramatization based on the 2006 Mahmudiyah killings, written and directed by Brian De Palma.
In February 2007, Mark Cuban publicly criticized NBA Finals MVP Dwyane Wade and declared that he would get fined if he made any comments about what he thought really happened in the 2006 NBA Finals.
In April 2007, Mark Cuban partnered with Mascot Books to publish his first children's book, Let's Go, Mavs!.
On September 12, 2007, Mark Cuban said that he was in talks with WWE Chairman Vince McMahon to create a mixed martial arts company that would compete with UFC. He is now a bondholder of Zuffa, which was formerly UFC's parent company.
In September 2007, Mark Cuban, as owner of Magnolia Pictures, removed disturbing photographs from the film Redacted due to copyrights/permissions issues.
On October 13, 2007, Mark Cuban followed up his intentions by organizing "HDNet Fights", a mixed martial arts promotion which airs exclusively on HDNet. The premier had a card headlined by Erik Paulson and Jeff Ford.
In 2007, Red Swoosh, in which Mark Cuban invested, was acquired by Akamai for $19 million.
On February 8, 2008, Mark Cuban voiced his support for the draft Bloomberg movement, attempting to convince Michael Bloomberg to run for president, on his blog. He ultimately voted for Barack Obama in the 2008 election.
In October 2008, Mark Cuban started Bailoutsleuth.com as an online portal for oversight over the U.S. government's financial institutions bailout.
On November 17, 2008, the U.S. Securities and Exchange Commission (SEC) filed a civil suit against Mark Cuban relating to alleged insider trading in the shares of Mamma.com, now known as Copernic. Cuban disputed the charges.
In 2008, Mark Cuban submitted an initial bid of $1.3 billion to buy the Chicago Cubs and was invited to participate in a second round of bidding.
In January 2009, Mark Cuban was not selected to participate in the final bidding process for the Chicago Cubs.
On January 16, 2009, Mark Cuban was fined $25,000 by the NBA for yelling at Denver Nuggets player J. R. Smith during a Mavericks-Nuggets game on January 13. Cuban was offended that Smith had thrown an elbow that barely missed Mavericks forward Antoine Wright. Cuban offered to match the fine with a donation to charity.
In May 2009, Mark Cuban referred to the Denver Nuggets as "thugs" after a loss to the Nuggets in game 3 of the Western Conference Semifinals. He also made a controversial comment to Kenyon Martin's mother. He later issued an apology. The league decided not to fine him.
In July 2009, the U.S. District Court dismissed the SEC's charges against Mark Cuban.
On December 7, 2009, Mark Cuban acted as the guest host of Raw, getting revenge on Randy Orton, and was slammed through a table by Sheamus.
In 2009, Mark Cuban and Tiffany Stewart had a son.
In 2009, Travis Kalanick approached Mark Cuban to invest in his next venture, Uber, at a $10 million valuation, but Cuban never heard back after proposing a $5 million valuation.
Since 2009, Mark Cuban has been a panelist at the annual MIT Sloan Sports Analytics Conference.
In April 2010, Mark Cuban loaned the newly formed United Football League (UFL) $5 million.
In May 2010, H. Ross Perot Jr. filed a lawsuit against Mark Cuban, alleging that the Dallas Mavericks franchise was insolvent or nearing insolvency.
On May 22, 2010, Mark Cuban was fined $100,000 for comments he made during a television interview about trying to sign LeBron James.
In June 2010, Mark Cuban responded to H. Ross Perot Jr.'s lawsuit in a court filing, asserting that Perot was improperly seeking money to offset losses from a real estate development.
In August 2010, Mark Cuban actively bid to buy the Texas Rangers with Jeffrey L. Beck, stopping at almost $600 million, but lost the deal.
In September 2010, Mark Cuban provided venture capital to Motionloft, a store-front analytics company.
In September 2010, an appeals court said that the district court had erred in dismissing the SEC charges against Mark Cuban and that further proceedings would be necessary to address the merits of the suit.
October 6, 2010, was the deadline for the United Football League to repay the $5 million loan made by Mark Cuban.
In January 2011, Mark Cuban filed a federal lawsuit against the United Football League (UFL) for failing to repay a $5 million loan.
In April 2011, Mark Cuban put Magnolia Pictures and Landmark Theatres up for sale.
In April 2011, an incident allegedly occurred between Mark Cuban and a female patron at a Portland, Oregon bar, where she claimed he sexually groped her. The Portland District Attorney's office declined to prosecute due to lack of evidence.
In November 2011, Mark Cuban told the Los Angeles Times that he didn't believe the Dodgers franchise was worth twice what the Texas Rangers were worth.
In November 2011, Mark Cuban wrote a 30,000-word e-book, How to Win at the Sport of Business: If I Can Do It, You Can Do It.
In 2011, Mark Cuban expressed interest in becoming a minority owner of the New York Mets after owner Fred Wilpon announced plans to sell up to a 25% stake in the team.
In 2011, as owner, Mark Cuban and the Dallas Mavericks won the NBA Championship.
In 2011, the lawsuit filed by H. Ross Perot Jr. against Mark Cuban was dismissed, partly due to Cuban's assertion of proper management after the Dallas Mavericks' victory in the 2011 NBA Finals.
In January 2012, Mark Cuban placed an initial bid for the Los Angeles Dodgers but was eliminated before the second round of bidding.
In November 2012, Mark Cuban offered Donald Trump $1 million to a charity of Trump's choosing if Trump shaved his head, responding to Trump's offer to President Obama.
On December 19, 2012, Mark Cuban donated $250,000 to the Electronic Frontier Foundation to support its work on patent reform.
On October 16, 2013, a federal jury in Texas found in favor of Mark Cuban in the SEC insider trading case after deliberating for 3 hours and 35 minutes.
In November 2013, several investors questioned Mark Cuban about Jon Mills' representation of a pending acquisition of Motionloft, which Cuban denied.
On December 1, 2013, Jon Mills was terminated as CEO of Motionloft by stockholders.
On January 18, 2014, Mark Cuban was fined $100,000 for confronting referees and using inappropriate language toward them. He confirmed that he would match the fine with a donation to charity, conditioned on reaching two million followers on his Twitter account.
In February 2014, Jon Mills, the former CEO of Motionloft, was arrested by the FBI and charged with wire fraud.
In March 2014, Mark Cuban was on air at CNBC criticizing high-frequency trading (HFT), believing the technology is equivalent to automated insider trading.
In 2014, the 5th Circuit Court affirmed the decision to dismiss the lawsuit against Mark Cuban that was initially filed by H. Ross Perot Jr.
At the Code/Media conference in February 2015, Mark Cuban expressed his concerns about the FCC overseeing the Internet, regarding net neutrality.
In June 2015, Mark Cuban invested in the esports betting platform Unikrn.
In June 2015, Mark Cuban made a $5 million donation to Indiana University Bloomington for the "Mark Cuban Center for Sports Media and Technology", which was built inside Assembly Hall.
In September 2015, Mark Cuban stated that running for president was "a fun idea to toss around" but later clarified that he had no intention of running in 2016.
In October 2015, Mark Cuban posted on Twitter about possibly running for Speaker of the House.
In February 2016, Mark Cuban purchased a principal ownership stake in the Professional Futsal League.
In May 2016, Mark Cuban told Meet the Press that he would be open to being Hillary Clinton's running mate in the election. He also said he would consider running as Donald Trump's running mate after meeting with him, describing Trump as "that friend that you just shake your head at".
On July 21, 2016, Mark Cuban appeared on a live segment on The Late Show with Stephen Colbert entitled "Gloves Off: Mark Cuban Edition" where he mocked Donald Trump, referencing his companies' bankruptcies, the failed Trump University program, and questioning his net worth.
On July 30, 2016, Mark Cuban formally endorsed Hillary Clinton for president at a rally in Pittsburgh, Pennsylvania, criticizing Donald Trump.
In September 2016, Mark Cuban criticized Donald Trump's characterization that paying the minimum required taxes 'is smart', and criticized Trump for not paying back into the system that allowed him to amass such wealth.
In September 2016, Mark Cuban positioned himself to support Hillary Clinton in an NPR interview. He suggested attacking Donald Trump's insecurities, especially his intellect, and claimed Trump was unqualified and uninformed about policies.
On November 22, 2016, Mark Cuban met with Steve Bannon, a key advisor to then President-elect Donald Trump.
In 2016, Mark Cuban said that he "could beat both Trump and Clinton" if he was running for president, but clarified he had no intention to do so.
In October 2017, Mark Cuban stated that he would "definitely" run for president if he were single. Later that month, he said that if he ran for president in 2020, it would be as a Republican, describing himself as "socially a centrist ... but very fiscally conservative".
In January 2018, Mark Cuban announced that the Dallas Mavericks would begin accepting Bitcoin as payment for tickets in the upcoming season.
On February 21, 2018, Mark Cuban was fined $600,000 by the NBA for stating that the Dallas Mavericks should "tank for the rest of the season." Commissioner Adam Silver stated that the fine was "for public statements detrimental to the NBA."
On March 6, 2018, Willamette Week reported on the alleged April 2011 incident between Mark Cuban and a female patron of a Portland, Oregon bar, where she accused him of sexual groping. Cuban denied the allegations.
On March 8, 2018, the NBA announced it was reviewing the alleged April 2011 incident between Mark Cuban and a female patron of a Portland, Oregon bar.
In March 2019, Mark Cuban stated in an interview with the New York Daily News that he was "strongly considering running" for president as an independent candidate.
In May 2019, Mark Cuban stated that it would take "the perfect storm" for him to run for president and that while some things could open the door, he wasn't projecting or predicting it.
In 2019, Mark Cuban, along with Ashton Kutcher, Steve Watts, and Angela Watts, acquired a 50% stake in Veldskoen Shoes' United States business.
On March 6, 2020, Mark Cuban was fined $500,000 by the NBA for "public criticism and detrimental conduct regarding NBA officiating", according to the league.
During an appearance on an episode of Hannity in May 2020, Mark Cuban voiced his support for former Vice President Joe Biden in the 2020 U.S. presidential election.
In a June 2020 interview with CNN and former Obama advisor David Axelrod, Mark Cuban revealed he had seriously considered running for president that year as an independent candidate. He commissioned a national poll, which showed he would only receive 25 percent of the vote in a hypothetical matchup with President Donald Trump and former Vice President Joe Biden, pulling votes from both.
As far back as late 2020, Mark Cuban supported the movement to stop playing the National Anthem at games.
In 2020, Mark Cuban picked up homeless former NBA player Delonte West from a gas station in Dallas. He paid for a hotel room for West along with his treatment at a drug rehabilitation center.
In 2020, it was speculated that Mark Cuban could have challenged president Donald Trump in 2020 as a Democrat.
On February 2, 2021, Mark Cuban joined Reddit's WallStreetBets "Ask Me Anything" forum and fielded user questions related to the GameStop short squeeze.
On March 4, 2021, Mark Cuban announced that the Dallas Mavericks would start accepting Dogecoin as payment for both merchandise and game tickets.
In 2021, Mark Cuban backed Injective Protocol, a layer-2 decentralized exchange protocol, and purchased the entire town of Mustang, Texas.
In 2021, Mark Cuban became a spokesperson and investor in ZenBusiness, an online platform for business formation and compliance, participating in its Series C funding round.
In early 2021, Mark Cuban decided to stop playing the National Anthem at Dallas Mavericks games to respect those who felt it did not represent them. The NBA then required all teams to play the anthem, and Cuban complied.
Since at least early 2021, Mark Cuban has invested in the cryptocurrency Dogecoin and accepted it as payment for Dallas Mavericks merchandise and tickets.
In January 2022, Mark Cuban launched Cost Plus Drugs, an online pharmacy aimed at lowering generic drug prices for consumers in the U.S.
In February 2022, the U.S. 11th Circuit Court of Appeals ruled in a lawsuit against Bitconnect that the Securities Act of 1933 extends to targeted solicitation using social media.
In July 2022, following Voyager Digital's bankruptcy filing, Mark Cuban and the Dallas Mavericks were named in a class-action lawsuit alleging Voyager Digital was a Ponzi scheme due to Cuban's promotion.
In September 2023, Mark Cuban's MetaMask cryptocurrency wallet was drained by scammers, resulting in a loss of about $870,000 worth of tokens.
On November 28, 2023, it was reported that Mark Cuban was in the process of selling his share in the Dallas Mavericks to Miriam Adelson.
On December 27, 2023, the NBA approved the sale of a controlling 73% interest in the Dallas Mavericks to Miriam Adelson, Sivan, and Patrick Dumont. Mark Cuban reportedly earned $3.5 billion from the sale.
In October 2024, Mark Cuban joined Kamala Harris on the campaign trail, speaking about Donald Trump's tariff policies at his first appearance on October 17.
In October 2024, Mark Cuban said on the All-In Podcast that Donald Trump had reached out to him for a position during his administration.
In 2024 Mark Cuban donated $6 million to Indiana University's rugby team.
In 2024, Mark Cuban was included in the Time 100 Most Influential People 2024.
Prior to the 2024 presidential election, Mark Cuban endorsed Kamala Harris for president, and launched "Business Leaders for Harris".
In 2025, Mark Cuban announced partnerships with Cost Plus Drugs would include TrumpRx and Humana.
In 2025, Mark Cuban made a large donation of an as yet undisclosed amount to Indiana University, specifically to athletics.
As of January 2026, Forbes estimated Mark Cuban's net worth to be US$6 billion.
In March 2026, Mark Cuban expressed unhappiness on the Intersections podcast about selling his share of the Dallas Mavericks, stating, "I don’t regret selling. I regret who I sold to."
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