This repository has financial data about Radian LLC. I publish this data in the spirit of open-source transparency and to show that any donated money is being spent on what people expected it to be spent on.
Here are the reports showing all expenses and revenue of Radian LLC, which I update on more or less a quarterly basis:
In a subdirectory you can find detailed cost breakdowns of AWS spending for each month. The ledger also has discussion of any interesting or confusing facts about the spending.