The UK (and currently EU) law is different. In the EU, even if the party dispensing the material non-public information does so with no benefit or even unknowin

The UK (and currently EU) law is different. In the EU, even if the party dispensing the material non-public information does so with no benefit or even unknowingly and by accident it is still illegal to trade on that information. For a more thorough examination, see a recent Matt Levine piece about someone being charged for insider trading after overhearing material non-public information in a public place: https://www.bloomberg.com/opinion/articles/2018-12-03/insider-trading-in-the-potato-trade https://www.bloomberg.com/opinion/articles/2018-12-03/inside...