** Shares of U.S. insurance provider Kemper Corp KMPR.N fall 7.78% to $46.45
** Earlier in session, stock hit $45.64, lowest since early August
** Joseph P. Lacher, Jr. to step down as president and chief executive officer of KMPR, after nearly a decade in the role
** Co appoints C. Thomas Evans, Jr. as interim CEO, effective immediately
** Lacher to remain with the co in an advisory capacity through the end of the year to support the transition process
** YTD, the stock has fallen ~30%, including session moves
(Reporting by Krisha Bhatt)
((Krisha.Bhatt@thomsonreuters.com;))