A former executive of U.S. operations at Canadian oil services company Poseidon Concepts was sentenced Monday to three years in prison and ordered to pay approximately $406.2 million in restitution for perpetrating a scheme to fraudulently inflate the company’s reported revenue.

Joseph Kostelecky’s misconduct resulted in shareholder losses of more than $886 million, according to the Department of Justice. Kostelecky admitted he caused the company to falsely report approximately $100 million in revenue from purported long-term contracts with oil and natural gas companies that were customers.

Jaclyn Jaeger is a freelance contributor to Compliance Week after working for the company for 15 years. She writes on a wide variety of topics, including ethics and compliance, risk management, legal,...