Sponsel David — insider trades

Stock trades Sponsel David reported on SEC Form 4 at ATEC Alphatec Holdings, Inc..

• Mar 11, 2026: sold 163,452 shares of ATEC Alphatec Holdings, Inc. ($2.05M)
• Feb 5, 2026: sold 60,425 shares of ATEC Alphatec Holdings, Inc. ($833K)
• Dec 10, 2025: sold 21,106 shares of ATEC Alphatec Holdings, Inc. ($439K)
• Dec 8, 2025: sold 988 shares of ATEC Alphatec Holdings, Inc. ($21.2K)
• Oct 24, 2025: sold 70,000 shares of ATEC Alphatec Holdings, Inc. ($1.13M)
• Sep 19, 2025: sold 140,000 shares of ATEC Alphatec Holdings, Inc. ($2.11M)
• Mar 6, 2025: sold 33,732 shares of ATEC Alphatec Holdings, Inc. ($365K)
• Feb 25, 2025: sold 32,365 shares of ATEC Alphatec Holdings, Inc. ($341K)
• Feb 3, 2025: sold 36,256 shares of ATEC Alphatec Holdings, Inc. ($414K)
• Jan 13, 2025: sold 58,521 shares of ATEC Alphatec Holdings, Inc. ($627K)