Over the next few days, pre primary campaign finance reports will appear on the Maryland Campaign Reporting Information System Websites. Instead of breathlessly hitting refresh, you can simply check out this public, crowd sourced google doc I put together (just like I did in January and April).
https://docs.google.com/spreadsheets/d/1OyeuTrFuRlp_4qtqRPw9JSKcW29e6Z-yVjmRXcyWWyM/edit#gid=0