Back in the days when .mobi was hot, prime keywords brought in big dollars. One of the highest valued and most competitive keywords is Insurance.
Insurance.mobi sold for $42,005 in 2007. The domain was left to expire 13 years later and closed at $2,026.
Looking at archive.org it does not look like the name was ever developed into anything.
The owner was QuinStreet the owners of Insurance.com