** Shares of Audinate AD8.AX fall as much as 4.7% to A$7.580, their lowest levels since May 28

** Stock posts its biggest intraday percentage decline since May 16

** The audio-visual hardware developer says Chairman David Krall will retire after 15 years in the role

** Says current non-executive director Alison Ledger will be appointed chair

** Stock up 3.9%, YTD

(Reporting by Aaditya Govind Rao in Bengaluru)

((Aaditya.govindrao@thomsonreuters.com;))