Little Rock financier Warren Stephens is a $1 million contributor to the Our Principles PAC, which is attacking Donald Trump, USA Today reports.

Stephens has company from other major financiers in an effort that has already spent more than $11 million. Stephens contributed, too, to a super PAC backing the failed candidacy of Jeb Bush and was the first giver to a PAC that has been attacking Conner Eldridge, a Democratic candidate for U.S. Senate in Arkansas.