You are totally right that the option exercises are in principle...

You are totally right that the option exercises are in principle negative for the share price.
They bring some cash into the bank account ... what allows exploration expenses. But looking at pros and cons I would usually also see a majority of negative points for the share price.

In our current situation this is all nonsense.
Today 1 billion shares were traded on the ASX.
On Friday 7 billion shares were traded in the US:
https://www.otcmarkets.com/stock/BRYYF/overview

So, if e.g. Amani would announce an outlook what is planned, which exploration works, etc. or anything positive that the Americans like, they could continue to buy shares as crazy. In other words, we have no idea why some people got Gold crazy (resp. crazy for Amani Gold) and that will be the main driver in the next weeks ... not option exercises.

I think that we will see many further exercises, as they trade with a discount ... which reflects the risk between the option price today and a potential price for that you could sell the shares from an option exercise in the future.