A teen was nabbed for allegedly delivering the final punch to a boy before another youngster fatally shot him during a brawl at a Queens park last month.

A 16-year-old was arrested and indicted on Wednesday for beating up Jaden Pierre, 15, before he was fatally gunned down in Roy Wilkins Park on April 16, according to Queens District Attorney Melinda Katz.

The teen was indicted alongside 18-year-old Zahir Davis , who is accused of pulling the trigger on Pierre during the bitter gang-fueled brawl, prosecutors said.

Zahir Davis, 18, being walked out of the 103rd Police Precinct in Queens, NY, flanked by two officers, April 25, 2026. Brigitte Stelzer for NY Post

The 16-year-old, of Brooklyn, was allegedly among a rowdy crew of teens who began assaulting Pierre at the park in St.…