Wong Chen's resignation as the Member of Parliament for Subang took effect at 5pm on August 10, 2026 [1, 2, 3, 4, 5, 6]. He submitted his resignation letter to Dewan Rakyat Speaker Tan Sri Johari Abdul on August 5, 2026 [7, 2, 3, 4, 5, 6]. Wong Chen said, "The delay was to give parliamentary officers three working days to prepare for the vacancy of the Subang parliamentary seat" [2].

There was a "gentleman’s agreement" between Wong Chen and the Speaker to withhold details of the resignation until the effective date and time. Wong Chen stated, "We had a gentleman’s agreement not to release any details until August 10 at 5.00pm" [2, 4, 5, 6].

Wong Chen, a three-term MP first elected in 2013, has represented Subang for the PKR party since 2018 [2, 4]. He previously served as the non-executive chairman of Malaysia Debt Ventures Bhd until his removal in May 2026 [2, 4]. His resignation follows those of former economy minister Datuk Seri Rafizi Ramli and Nik Nazmi Nik Ahmad from PKR in May 2026 [2, 4]. Wong Chen was also present at the launch of Parti Bersama Malaysia earlier this year [2, 4].

In May 2026, Wong Chen publicly alleged that his office was denied access to the MyKhas Portal without prior notice and criticized PKR’s blocking of Ampang MP Rodziah Ismail's access [2, 4].

Wong Chen announced plans to remove the honorific title "Yang Berhormat" from all his billboards, signboards, and correspondence starting next month. He said, "I will also drop the honorific title 'Yang Berhormat' from all my correspondence starting next month" [2, 4, 5, 6].

Wong Chen will hold a press conference at 11am on August 12, 2026, to provide further details about his resignation [2, 3, 4, 5, 6].