** Shares of Beamtree Holdings fall as much as 13.8% to A$0.250, their biggest loss since Nov. 21, 2022
** Data analytics provider says CEO Tim Kelsey to step down in March 2025 to pursue opportunities in healthcare
** Co appoints Kelsey as Chairman of its Global Impact Committee following his CEO term
** Stock hits its lowest level since early August
** 1.2 mln shares change hands, 6.7x the 30-day avg
** Stock up ~15% YTD, including current session, as at 0435 GMT
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com;))