On November 22, 2019, the Company issued 194,000 nonforfeitable restricted stock units (“RSUs”) at a weighted average grant date fair value of $16.89, all of which are subject to vesting. The majority of these shares will vest ratably over a two-year period commencing on the first anniversary of the grant date. Non-cash equity-based compensation expense associated with the grant is approximately $3.3 all of which was recognized during the three months ended December 31, 2019.

On November 22, 2019, the Company issued 454,000 restricted stock units (“RSUs”) at a weighted average grant date fair value of $16.89, all of which are subject to vesting. The majority of these units will vest ratably over a four-year period commencing on the first anniversary of the grant date. Non-cash equity-based compensation expense associated with the grant will be approximately $6.8 over the requisite service period.

On November 22, 2019, the Company issued 953,000 stock options at a weighted average exercise price of $16.89 and a weighted average grant date fair value of $8.06, the majority of which will vest and become exercisable ratably over a four-year period commencing on the first anniversary of the grant date. Non-cash equity-based compensation expense associated with the grant will be approximately $6.6 over the requisite service period.

Information regarding the total equity-based compensation expense, for the periods indicated is as follows:

Three Months Ended

March 31,

Six Months Ended

March 31,

2020

2019

2020

2019

Total equity-based compensation expense recognized

4.9

5.6

13.1

11.5

At March 31, 2020 the aggregate unamortized value of outstanding stock-based compensation awards was approximately $45.0, with a weighted average remaining life of 2.1 years.

The Company’s stockholders approved in 2018 the Company’s 2018 Employee Stock Purchase Plan (the “ESPP”). A total of 1,100,000 shares of the Company’s common stock were made available for sale on October 22, 2018 and 172,000 were issued on November 14, 2019, and an additional portion thereof will be issued on November 14, 2020.