If there is no escrow period how do you know they are investing...

If there is no escrow period how do you know they are investing in the business and don't just have plans to sell out in the future. I'm not certain either way, however how do you know whether or not management intend to invest or sell?

There will be a bucket load of shares on issue if the acquisition is completed (over 2.9 billion! according to the asx presentation of 29/08/2014) and over 2.4billion will be issued to the vendors (83.5% of the proposed shares on issue). If the vendors decide to sell down that is a lot of selling that will need to be absorbed by the market...