shaundeeb is on the BTN and he has been very active in the last hour, at least. So the 3bet is totally standard, both players play 50BB effective, blinds are 15K/30K/3750. Shaun decides to 4bet and calls off the jam. what are your thoughts?

Payouts:
1: 1,3M
2: 950K
3: 700K
4: 527K
5: 370K
6: 295K
7: 225K