October. In January 2006, the company acquired the United States brokerage business branded as TD Waterhouse from Toronto-Dominion Bank. The newly combined company was renamed TD Ameritrade, with the Toronto-Dominion Bank owning 40%. In February 2008, the company acquired accounts from Fiserv. In May 2008, CEO Joe Moglia announced he would be vacating the CEO position and would become Chairman. He was succeeded as CEO by COO Fredric Tomczyk, who was formerly Vice Chair of Corporate Operations at Toronto-Dominion Bank. In January 2009, the company acquired Thinkorswim, a producer of software for active traders, for $606 million in cash and stock. In 2013, the company opened a new $250 million headquarters in Omaha. In 2016, Tomczyk retired as CEO and succeeded by Tim Hockey, who had previously headed the TD Canada Trust retail banking division of Toronto-Dominion Bank. In September 2017, the company acquired Scottrade, based in St Louis, Missouri, making St. Louis the second-largest hub for the company. The transition of client accounts occurred in February 2018. In April 2018, TD Ameritrade and Havas placed the first advertisement inserted within the bitcoin blockchain. In July 2019, CEO Tim Hockey announced his departure from TD Ameritrade in early Q1 2020. In October 2019, TD Ameritrade reduced most online trades to being commission free. In July 2020, Joe Moglia retired from his role as Chairman of the Board of TD Ameritrade. On October 6, 2020, Charles Schwab Corporation acquired TD Ameritrade just over three years after their acquisition of Scottrade. On January 28, 2021, the company and other trading platforms restricted the trade of certain heavily shorted stocks such as GameStop, BlackBerry, AMC, Koss Corporation, and Nokia. On February 21, 2023 , Charles Schwab started the process of moving TD Ameritrade customers to Schwab. This procedure is expected to be rolled out in batches. TD Ameritrade customers will be able to carry over their documents and relevant information, including 10 years worth of statements. Legal actions Security breaches In November 2007, the company reported that hackers gained access to most of its clients' names, Social Security numbers, dates of birth, addresses, phone numbers, and trading activity. In 2011, after being sued in a class action, the company settled by agreeing to compensate customers that were victim to identity theft between $50 and $2,500 each. The settlement was criticized for netting the attorneys almost as much money as the victims. In 2020,