From June 2010 until May 2014, the arena housed the Colorado Music Hall of Fame before it moved to its permanent home at the Red Rocks Amphitheatre.

[6] To set it apart from its competition, the arena was designed to give an arena-sized show a theater (intimate) feeling.

[10] Operations were passed off to Peak Entertainment—a joint venture between Kroenke Sports Enterprises and AEG Live Rocky Mountains, in June 2009, for 28 years.

[11] Chuck Morris, President and CEO of AEG Live Rocky Mountains, was responsible to the revitalization of the Fillmore Auditorium.

In February 2010, it was announced local financial institution, FirstBank Holding Company of Colorado, Inc. (known simply as 1stBank) purchased naming rights for five years, at an undisclosed amount.

[16] Since its reopening, the arena has hosted numerous concerts by popular artists, alongside family shows and sporting events.

On May 23, 2023, the Broomfield Urban Renewal Authority's Board of Directors announced that the arena would permanently close on November 30 and then be torn down in early to mid 2024.