Patrick Miles - 05 Mar 2026 Form 4 Insider Report for Alphatec Holdings, Inc. (ATEC)

Role: CEO, Director
Signature: /s/ Tyson E. Marshall, Attorney-in-Fact
Issuer symbol: ATEC
Transactions as of: 05 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 09 Mar 2026, 15:00:07 UTC
Previous filing: 27 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Miles Patrick	CEO, Director	C/O ALPHATEC SPINE, INC., 1950 CAMINO VIDA ROBLE, CARLSBAD	/s/ Tyson E. Marshall, Attorney-in-Fact	08 Mar 2026	0001289409

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ATEC	Common Stock	Tax liability		-219,749	-3.7%	$12.57^*	5,778,551	05 Mar 2026	Direct	F1
holding	ATEC	Common Stock						10,900	05 Mar 2026	By IRA
holding	ATEC	Common Stock						250,000	05 Mar 2026	By MOM, LLC

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares withheld by issuer to satisfy tax withholding obligations of reporting person resulting from vesting of restricted stock units.