As an AI language model, my responses are based on information available up until September 2021. Please note that the information regarding insider trading cases is continuously evolving, and it’s important to refer to the latest news and official sources for the most up-to-date information. Here are some notable cases of insider trading in the gambling industry:

1. Las Vegas Sands Corporation (2021): The company’s former executive, Jan Dukes, was charged with insider trading for allegedly using non-public information to make trades in company stock.

2. MGM Resorts International (2021): A former Vice President of Corporate Communications, Daniel J. Taylor, was charged with insider trading for allegedly tipping off a stockbroker about MGM’s potential acquisition of another company.

3. Wynn Resorts (2021): A former Executive Director of VIP Services, Zheng Xiaoqing, was charged with insider trading for allegedly profiting from trading in Wynn Resorts’ stock based on non-public information.

4. Penn National Gaming (2021): A former Director of Compliance, Jeff Roush, pleaded guilty to insider trading charges, admitting to making trades based on confidential information related to the company’s acquisition activity.

5. International Game Technology (IGT) (2020-2021): Several executives of IGT, including the former CEO Marco Sala, were investigated by the Italian authorities for suspected insider trading related to the sale of IGT’s Italian gaming machine business.

6. MGM China Holdings (2021): A former MGM China executive, Zhu Wei, was charged with insider trading for allegedly using non-public information to trade stocks.

7. William Hill (2020): A former trader, Dominic Chappell, was fined £37,198 ($51,210) by the Financial Conduct Authority (FCA) for insider dealing related to the acquisition of William Hill by Caesars Entertainment.

8. Tabcorp Holdings (2020): The Australian Securities and Investments Commission (ASIC) initiated legal proceedings against former Tabcorp employee Ben Roberts-Smith for alleged insider trading.

9. The Stars Group (2020): A Canadian citizen named Daniel Baazov, the former CEO of the company, faced insider trading charges in connection with the acquisition of PokerStars. However, the charges were dropped in 2021 due to lack of evidence.

10. GVC Holdings (2019-2020): The UK Financial Conduct Authority (FCA) investigated allegations of insider trading by an individual connected to GVC Holdings. However, no charges were brought against the company, and the investigation was eventually closed.

Please note that the list above is not exhaustive and represents a selection of notable insider trading cases in the gambling industry.