Sono-Tek is trading 7.4% higher in after-hours at $5.35, versus the September 29 regular-session close of $4.98; no specific catalyst was identified.

  • Sono-Tek’s investor-relations page lists July 14, 2026, as its latest press release.
  • A market listing expects the next earnings release on October 13, 2026; no fresh company announcement or earnings release explaining the September 29 move surfaced in the search.