On Desktop:
You will find your deposit and withdrawal history under Account, then Account Summary. 
You can adjust the viewable time frame by clicking the blue calendar icons or by clicking the buttons below to show today, yesterday, last month, and Year to Date (YTD).
Click on the downward-facing arrow to the left of the activity you would like to review to show details.
On Mobile:
You will find your deposit and withdrawal history under More and then Account Summary.
You can adjust the viewable time frame by clicking on the blue buttons at the top of the page. Touching and swiping left or right on this bar will show more options. You can view your activity for Today, Yesterday, Past 7 Days, Past 30 Days, YTD (Year-to-Date), or enter a Custom Range. Select the blue Filter button next to Account Summary to filter for only specific transaction types. 