Perdana Bangun Pusaka is trading at IDR 1,945, down 5.12% on September 28, 2026, with no verified company-specific catalyst identified. - The IHSG fell 1.51% on September 28, with 532 stocks declining; broad local-market pressure may have contributed, but a direct link is unconfirmed. - The September 7 extraordinary meeting’s board change predates the decline and is not an established catalyst. - No reliable session volume or activity figures were found.