Airport and energy group Stobart Group Limited (LON:STOB) has rescheduled its Annual Meeting for July 6.
Former chief executive Andrew Tinkler has already indicated he will vote against the re-election of chairman Ian Ferguson and has put forward well-known retail entrepreneur Philip Day as his replacement.
READ: Stobart Group's former CEO ups pressure with chairman nomination
Tinkler owns 7.7% of the shares and has the backing of Woodford Investment Management and Allan Jenkinson, who between them have a further 25.5%.
Two Stobart directors, John Coombs and Andrew Wood, have indicated they will step down as non-execs if Ferguson is voted out.
Fund manager Invesco has also said it will vote its 24.8% stake in support of Ferguson.