Insider selling.Marketwatch shows:
Insider selling did occur however most is not all sold between the last 6 and 12 months.
Sue sold 500 K.
Percy 100 K.
Meekison 50K
Sobil 50K
Bodkin 42K
Boddy 13.3K (she is no longer on their site - must have left - can't verify).
So I guess Mariner is out of the Solar system with this report.
https://money.tmx.com/en/quote/EXRO/company
https://money.tmx.com/en/quote/EXRO/company