Alphatec Holdings is trading 9.62% up now at $11.51, following major U.S. indexes gaining more than 0.5% in pre-market trading; no new company-specific announcement was identified for September 17, 2026.

  • CEO Patrick Miles’s disclosed $1.01 million stock purchase recently supported momentum.
  • The purchase was reported September 11 and is unlikely to be a fresh overnight catalyst.