The Monetary Authority of Singapore published an overview of its key public enforcement actions taken from October to December 2025, spanning insider trading cases, prohibition orders under the Financial Services and Markets Act 2022, and revocation of a Capital Markets Services Licence. Actions included charges against Mr Xie Jianfeng for insider trading and deception offences under the Securities and Futures Act linked to trading in Sasseur Real Estate Investment Trust units following a joint investigation with the Commercial Affairs Department of the Singapore Police Force, and civil penalties of S$50,000 against Mr Tan Tee Beng for insider trading in Tee International Limited and Tee Land Limited shares and S$137,000 against Mr Ang Yew Jin Eugene for insider trading in Alpha Energy Holdings Limited shares after a referral by Singapore Exchange Regulation. Prohibition orders were issued for failures to meet fit and proper conditions and following criminal convictions, including 3-year bans against Mr Tham Kok Tong, Marcus and Mr Charles Chong Yong Qin (former representatives of Great Eastern Financial Advisers Private Limited), 9-year and 15-year bans against Mr Benjamin Song Junde and Mr Charn Sze Choong after insurance fraud convictions, and a 10-year ban against Mr Tang Boon Hai after convictions for false trading, unauthorised trading and dishonestly receiving stolen property. MAS also revoked the Capital Markets Services Licence of One Heritage Capital Management (SG) Pte Ltd for breaches of the Securities and Futures Act 2001 and related financial and margin requirements regulations.