** Cancer therapy developer Kronos Bio's KRON.O shares
rise 4% to 90 cents premarket
** KRON to lay off about 83% of its employees by year-end
** CEO Norbert Bischofberger has stepped down after nearly
six years in the role - KRON
** KRON appoints chief financial officer Deborah Knobelman
as interim CEO
** As of March 11, KRON had 62 full-time employees and one
part-time employee - SEC filing
** KRON had announced ~21% reduction in its workforce
earlier this year
** As of last close, stock has fallen ~31% YTD
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com;))