Global Insider-Trading Ring Linked to Trial of Pharma CEO’s Son

The criminal trial of a New York man may help explain how tens of millions of dollars in illicit profits were allegedly generated by a global insider-trading network that included a Greek pharmaceutical executive, a Goldman Sachs Group Inc. banker, a Monaco poker player, a Swiss trader and a Manhattan restaurant owner.

Telemaque Lavidas is the first of the accused to go before a jury in the U.S., where prosecutors say he was one of the people feeding information into a network of traders on several continents. His trial starts Monday in federal court.

In a scheme that stretched for ...