Here's a great link for option expiry dates, etc. (for the first kind of option mentioned in previous post):http://www.companyoption.com/But they don't list them all, e.g. OBJOA is missing.
Week 46 Wrap: Copper hits 2mth low as Trump threatens net zero pace; US rally fades; HotCopper’s picks
AN1 CuFe sells its Crossroads gold royalty to Northern Star for $4M cash; says better than waiting for mine launch