Report it to the police and your insurance company.
Yes, it was.
Report it to the police and your insurance company as soon as possible.
What if I didn't get a title for it yet?
You need to apply for a title to transfer it.  The insurance company will give you a letter stating they need proof of ownership, and submit it with your title application.
What happens if it's recovered?
If it's missing plates, bring form MV-78B to apply for new plates.
Will they cancel the stolen vehicle alarm?
They will cancel it and mark it recovered on your title history.
Do I need another title?
Send in the title and a letter explaining the car was recovered and they will issue a regular title.
What should I do if the plates were stolen?