The Mirant shareholders were given 2.885 shares of RRI for every share of Mirant that they owned .
For example , in 2010 , two companies came together to form GenOn Energy , Mirant , and RRI Energy .
The Mirant shareholders were given 2.885 shares of RRI Energy for every share of Mirant that they owned .
For example , in 2010 , two companies came together to form GenOn Energy , Mirant , and RRI Energy .