exchange, the Times would lease back its floors for $24 million a year for 10 years. The leaseback was finalized in March 2009. 2010s to present Part of the 44th story was sublet in 2010 to Kepos Capital, which occupied the space for eight years. By late 2013, the Times wished to lease out the 21st story, the only part of the building that it still owned. Technology company Bounce Exchange leased the 21st story in early 2015 from the Times, which had previously housed its sales and marketing department there. In December 2016, the Times announced it was subletting at least eight floors, totaling , to save the costs of occupying that space. Gensler was hired to reorganize the space, including removing some corner offices that belonged to high-ranking executives such as the CEO and the publisher. Over half of the sublet space, covering , was sublet a little more than a year later to financial firm Liquidnet. During late 2018, British outsourcing firm Williams Lea Tag signed a 10-year lease for of space on the 10th story. Covington & Burling also expanded to the 44th story that year. The Times announced in February 2018 that it would repurchase the building's leasehold from W. P. Carey. Brookfield Properties, which had acquired Forest City Ratner, refinanced the building's first floor and the 28th- through 50th-story condominiums in late 2018 for $635 million. The loan was provided by Deutsche Bank, Bank of America, Barclays Capital, and Citi; it consisted of a $515 million commercial mortgage-backed security and a $120 million junior note. Some $115 million in mezzanine debt was also provided. The Times subsequently exercised its option on the leasehold in late 2019 for $245 million,. Critical reception When Piano was selected for the Times Building, architectural critic Martin Filler called the selection "very disappointing", saying that "a lot of [Piano's] commercial work is really terrible". Herbert Muschamp, architecture critic for the Times, wrote that Piano was the "world's greatest living practitioner of what I call 'normative' architecture", though he criticized the base as having "too little contrast with the city outside". After the September 11 attacks, Muschamp wrote, "There may be no more constructive way to fill the architectural void [of the World Trade Center] than to revisit the history of progressive architecture in this town", including the planned Times Building and Hearst Tower. Times design writer Steven Heller lamented