[3] The building, designed by Goettsch Partners and consulted by Magnusson Klemencic Associates, added 1,500,000 square feet (140,000 m2) of office space to the city.

Plans for the development were announced in early 2019, and construction began later that year in December.

[3] The designs for the tower included terraced setbacks and V-shaped structural frames.

[2] Plans also called for a 1.5-acre public park, and a renovation of the upper floors of the Union Station into a 400-room hotel.

[2] In April 2021, the final beam of the structure was laid at a ceremony attended by Chicago Mayor Lori Lightfoot.