The My Transactions page will load. You can change the different transaction types displayed by selecting the filter option in the upper left such as the ones listed below. Summary: You can view your Robux incoming and outgoing summary. Currency Purchases: You can view your Robux spending history. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.