** Shares of Archer Materials fall as much as 7.4%to A$0.250
** Semiconductor co announces early departure of CEO Mohammad Choucair
** Co had earlier said CEO Choucair would step down from the role in Jan. 2025
** Stock down 30.3% YTD, including current session, as of 0403 GMT
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com;))