Tyson Eliot Marshall sold $79K of Alphatec Holdings, Inc. (ATEC) stock

Tyson Eliot Marshall, General Counsel & Corp. Sec. of Alphatec Holdings, Inc. (ATEC), sold 8,168 shares of ATEC stock worth $79K, per an SEC Form 4 filed Aug 8, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 5, 2026, 3 days before it was made public.

ATEC has moved +6.3% since the trade date, from $9.57 to $10.17 (Sep 21, 2026 close).