Some useful numbers from the filing:

1 billion+ cumulative rides.

$8.1 billion in bookings in 2018

$2.2 billion revenue in 2018

From risks:

>> "We have incurred net losses each year since our inception and we may not be able to achieve or maintain profitability in the future. We incurred net losses of $682.8 million, $688.3 million and $911.3 million in 2016, 2017 and 2018, respectively."