>>6463474 A quick look, I'll dig more later but does not answer the question why/how/who forced the sale and why to MIP.

https://www.sec.gov/Archives/edgar/data/1696947/000169694718000001/xslFormDX01/primary_doc.xml

https://www.businesswire.com/news/home/20190327005419/en/Macquarie%E2%80%99s-Green-Investment-Group-Acquire-Solar-Storage

https://www.businesswire.com/news/home/20190410005168/en/Macquarie-Capital-Appoints-Managing-Director-Co-Head-Aerospace