"in breach of a fiduciary duty or other relationship of trust"
I am not clear that the guy working on the dock has such a relationship. That was my point and I suspect the answer is more complicated than to say trading on any information that is not generally known is considered insider trading.
I don't know the rules but that paragraph hardly seems clear and definitive.
When posting on VMC boards all postings should have a symbol in the header and if foreign please post both US and Foreign symbols.