[3] Born in Pittsburgh, Pennsylvania, Cuban was involved at a young age in ventures ranging from selling garbage bags to running newspapers during a strike.

[21] Instead of attending high school for his senior year, he enrolled as a full-time student at the University of Pittsburgh, where he joined the Pi Lambda Phi fraternity.

[41][42] Cuban continues to work with Wagner in another venture, 2929 Entertainment, which provides vertically integrated production and distribution of films and video.

In July 2006, Cuban financed Sharesleuth.com,[53] a website created by former St. Louis Post-Dispatch investigative reporter Christopher Carey to uncover fraud and misinformation in publicly traded companies.

Experimenting with a new business model for making online journalism financially viable, Cuban disclosed that he would take positions in the shares of companies mentioned in Sharesleuth.com in advance of publication.

[61] Cuban has gone on record to state that the technology, which at least in part is meant to serve the commercial real estate industry, is "game changing" for tenants.

[66] The actual numbers may vary because the investment happens after the handshake deal on live television and after due diligence is performed to ensure the accuracy of the information presented in the pitch room.

[67] Cuban's top three deals, all with at least $1 million invested, are Ten Thirty One Productions, Rugged Maniac Obstacle Race, and BeatBox Beverages.

Through Magnolia, he financed Redacted, a fictional dramatization based on the 2006 Mahmudiyah killings, written and directed by Brian De Palma.

[70] In September 2007, Cuban, in his capacity as owner of Magnolia Pictures, removed disturbing photographs from the concluding moments of the Redacted, citing copyrights/permissions issues.

[71] In April 2011, Cuban put Magnolia Pictures and Landmark Theatres up for sale, but said, "If we don't get the price and premium we want, we are happy to continue to make money from the properties.

[75][76] 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.

[83] He often refers to Cost Plus Drugs as a critique and disruptor of the US healthcare system, including offering transparent, direct-to-consumer pricing and reducing the role of pharmacy benefit managers.

In June 2010, Cuban responded in a court filing maintaining Perot is wrongly seeking money to offset some $100 million in losses on the Victory Park real estate development.

Following his initial defeat, Perot attempted to shut out Mavericks fans from use of the parking lots he controlled near the American Airlines Center.

[111] In 2006, Cuban joined an investment group along with Dan Marino, Kevin Millevoi, Andy Murstein, and Walnut Capital principals Gregg Perelman and Todd Reidbord to attempt to acquire the Penguins.

[114] On September 12, 2007, Cuban said that he was in talks with WWE Chairman Vince McMahon to create a mixed martial arts company that would compete with UFC.

Part of his donation funded a new title for EFF's staff attorney Julie Samuels: The Mark Cuban Chair to Eliminate Stupid Patents.

[138] On February 2, 2021, Cuban joined Reddit's WallStreetBets "Ask Me Anything" forum with millions of members and fielded user questions related to the GameStop short squeeze.

[139] Cuban's advice to Reddit users was to hold GameStop shares if they could afford it in anticipation of additional short sales by Wall Street firms, but ultimately acknowledged that the odds were stacked against them and to use it as a learning experience.

"[164] In a June 2020 interview with CNN and former Obama advisor David Axelrod, Cuban revealed that he had seriously considered running for president that year as an independent candidate.

So he needs to know how to control himself a little.In an interview with the Associated Press, Cuban said that he matches NBA fines with charitable donations of equal amounts.

Cuban accepted the company's invitation and worked for a day at a Dairy Queen in Coppell, Texas, where fans lined up in the street to get a Blizzard from the owner of the Mavericks.

Cuban stated that if he doesn't hear from Smith, then he will donate the money to the NHL Players' Association Goals and Dreams Fund in the names of Todd Bertuzzi and Steve Moore.

[186] On November 17, 2008, it was reported that the U.S. Securities and Exchange Commission (SEC) filed a civil suit against Cuban relating to alleged insider trading in the shares of Mamma.com, now known as Copernic.

[188] The SEC claimed that Cuban ordered the sale of 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.

[190] DealBook, a section of The New York Times, reported through an anonymous source that Cuban believed the investigation was motivated by an SEC employee having taken offense to his interest in possibly distributing the film Loose Change.

In a March 6, 2018, article, Willamette Week reported on an alleged April 2011 incident between Cuban and a female patron of a Portland, Oregon bar called the Barrel Room.

[198] The Portland District Attorney's office declined to prosecute, citing a lack of concrete evidence to support the claim and the woman's preference not to proceed with charges, and concluding that "no crime can be proven beyond a reasonable doubt".

[211] The Guinness Book of Records credits Cuban with the "largest single e-commerce transaction" after purchasing a Gulfstream V jet for $40 million over the internet in October 1999.