Hey!! Welcome to the Transferring part of the forum!
I am also planning on applying and my answer to you is an emphatic NO! Don't worry about sending your last semester ugrad grades! If the school wants them, they'll ask for them! By FAR the most important thing is your 1L GRADES!
In support of my above advice, I give the following points:
1) You're IN law school as we speak, thus you received a degree from an ugrad institution
2) Whatever your ugrad GPA was, it was only good enough (along with your LSAT) to place you in your current school
3) Therefore, no need to send in your senior year 2nd semester grades because they don't show ANYTHING USEFUL and are thus unnecessary!!
Come back and post more often!! Ask questions and also answer other people's if you can!!