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Unit-based Compensation (Tables)
 12 Months Ended
Dec. 31, 2018
Unit-based Compensation  
Summary of information regarding phantom unit awards

 

 

 

 

 

 

 

 

 

    

 

    

Weighted-Average 

 

 

 

 

 

Grant Date Fair 

 

 

 

Number of Units

 

Value per Unit (1)

 

USA Compression Predecessor's phantom units outstanding at December 31, 2015

 

334,354

 

$

32.98

 

Granted

 

147,384

 

 

24.22

 

Vested

 

(42,964)

 

 

40.28

 

Forfeited

 

(9,239)

 

 

28.58

 

USA Compression Predecessor's phantom units outstanding at December 31, 2016

 

429,535

 

$

29.34

 

Granted

 

2,500

 

 

18.75

 

Vested

 

(95,499)

 

 

36.94

 

Forfeited

 

(11,614)

 

 

27.41

 

USA Compression Predecessor's phantom units outstanding at December 31, 2017

 

324,922

 

$

27.10

 

Forfeited upon change in control, April 2, 2018

 

(324,922)

 

 

27.10

 

Assumed upon change in control, April 2, 2018 (2)

 

1,010,522

 

 

14.24

 

Granted (2)

 

1,136,447

 

 

15.47

 

Vested (2)

 

(571,892)

 

 

14.79

 

Forfeited (2)

 

(144,013)

 

 

17.85

 

Phantom units outstanding at December 31, 2018

 

1,431,064

 

$

14.98

 

(1)

Determined by dividing the aggregate grant date fair value of awards by the number of units issued.

 

(2)

Following the Transactions Date, the outstanding unvested phantom units granted by the USA Compression Predecessor were forfeited and the outstanding unvested phantom units granted by the Partnership prior to the Transactions Date were maintained. The number of units assumed upon change in control represent the Partnership’s unvested outstanding phantom units as of March 31, 2018. The subsequent number of units granted, vested and forfeited reflect activity following the Transactions Date through December 31, 2018.