Sponsel David sold ATEC
September 18, 2025 · Form 4 insider transaction
Sponsel David sold 137,445 shares of Alphatec Holdings, Inc. at $15.09 per share, a transaction worth $2.07M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Disposed (sell-side)
Shares
137,445
Price
$15.09
Total value
$2.07M
InsiderSponsel David
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 18, 2025
Filing dateSeptember 19, 2025
Shares owned after534,416
OwnershipDirect
10b5-1 planYes
AmendedNo
Footnotes
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.