On 15 July, Panupong protested against Prime Minister General Prayut Chan-o-cha's visit to Rayong Province to address the Rayong coronavirus incident, for which he was arrested. On 18 July, Panupong was part of the 18 July Free Youth Movement protest at Democracy Monument in Bangkok which read out the 'Three Demands' before approximately 1,000 protesters, the largest since the 2014 military coup. On 7 August, Panupong and human rights lawyer Anon Nampa were arrested for speeches they had delivered at several rallies during the 2020 Thai protests, including for sedition, prompting a protest and at the police station where they were being held and statements by Amnesty International and Human Rights Watch calling for Panupong and other student protesters to be released and for charges to be dropped. They were subsequently released.