While it’s anyone’s guess how Elon Musk’s $44 billion takeover attempt of Twitter will end, there is some clarity over how it started.

The key relationships in the run-up to Musk’s takeover offer revolve around calls with Twitter co-founder Jack Dorsey and board member Egon Durban, managing partner at private equity firm Silver Lake who helped Musk on his ill-fated 2018 attempt to take Tesla Inc. private, according to a US securities filing on Tuesday.

During the course of March 26, Musk chatted to Dorsey and Durban about his plans for the social media platform, including that he had taken a “significant stake” of more than 5% stake in the company.

Read more: BNN Bloomberg