Demski David M bought ATEC
October 30, 2026 · Form 4 insider transaction
Demski David M bought 60,000 shares of Alphatec Holdings, Inc. at $6.81 per share, a transaction worth $408.6K. The trade was recorded as open-market purchase under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Acquired (buy-side)
Shares
60,000
Price
$6.81
Total value
$408.6K
InsiderDemski David M
RoleDirector
SecurityCommon Stock
Transaction codeP: Open-market purchase
Transaction dateOctober 30, 2026
Filing dateNovember 2, 2026
Shares owned after491,635
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The purchases reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 15, 2026.