Transat warns of ‘abusive’ bid by Group Mach, files complaint with regulator by from on 2019-08-06 20:08 (#4MR0W) Transat filed a complaint Tuesday with Quebec's securities tribunal concerning Group Mach's effort last week to scoop up 19.5 per cent of Transat shares at $14 per share in a bid to derail the pending acquisition by Air Canada.