Cuban, in a letter to U.S. lawmakers, wrote that the SEC’s position is “inconsistent with consumers’ reasonable expectation of privacy in 2015” and violates the U.S. Constitution’s Fourth Amendment protections from unlawful searches and seizures. The Dallas Mavericks owner has been a vocal critic of the SEC, after a federal jury cleared him of insider-trading charges in 2013 following a years-long battle. “As the target of an investigation, I know that the SEC has a broad array of tools at their disposal to obtain information directly from targets,” Cuban wrote in the Nov 30 letter.