David M Demski bought $409K of ATEC stock

David M Demski, Dir of Alphatec Holdings, Inc. (ATEC), bought 60,000 shares of ATEC stock worth $409K, per an SEC Form 4 filed Nov 2, 2026.

It was an open-market purchase.

The trade happened on Oct 30, 2026, 3 days before it was made public.

ATEC has moved +5.7% since the trade date, from $7.04 to $7.44 (Nov 6, 2026 close).