Call them and try to negotiate a lower rate. If you get no satisfaction, shop around and get a new insurer. Same with cable, satellite, phone, credit cards, banks, etc....anytime there is a competitor, you have the power to get the lowest price and they know this or they lose customers. They just hope that you won't be the proactive one who does it.
When you have fine print in a contract to read, it usually has some permutation of "we reserve the right to share data with third parties". Clicking on "yes" gives them the right to pass it all around.