If you don't understand parts of it, read it again.
After reading it 2x, if you still have a question, post it back here.
Sorry to be blunt here, but you are trying to understand the company past, without reading or educating yourself on what has transpired up to this point.
The fins have very detailed, chronological information of the company history. It will help you greatly if you read this document first and then ask for clarification on points you might not understand.