ANTW is trading 4.87% up now at $24.75 after closing at $23.60 on September 16, 2026; no verified company-specific announcement, earnings release, or direct catalyst explaining the after-hours move was found.

  • CNBC reports no recent news for the security, while MarketWatch lists no headlines.
  • The broader market was mixed after the Federal Reserve decision, so the catalyst remains unclear.