Jennifer N. Pritzker - Nov 12, 2025 Form 4 Insider Report for Alphatec Holdings, Inc. (ATEC)

Role: 10%+ Owner
Signature: /s/ Jennifer N. Pritzker
Stock symbol: ATEC
Transactions as of: Nov 12, 2025
Transactions value $: -$5,200,000
Form type: 4
Date filed: 11/14/2025, 05:12 PM
Previous filing: Aug 10, 2023
Next filing: Nov 26, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Pritzker Jennifer N.	10%+ Owner	104 S. MICHIGAN AVE., CHICAGO	/s/ Jennifer N. Pritzker	2025-11-14	0001850165

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ATEC	Common Stock	Sale	-$5.2M	-250K	-2.19%	$20.80	11.1M	Nov 12, 2025	See footnote	F1, F2
holding	ATEC	Common Stock						58K	Nov 12, 2025	Direct
holding	ATEC	Common Stock						11.9K	Nov 12, 2025	See footnote	F3
holding	ATEC	Common Stock						8K	Nov 12, 2025	See footnote	F4
holding	ATEC	Common Stock						6K	Nov 12, 2025	See footnote	F5
holding	ATEC	Common Stock						2.73M	Nov 12, 2025	See footnote	F6
holding	ATEC	Common Stock						1K	Nov 12, 2025	See footnote	F7
holding	ATEC	Common Stock						10K	Nov 12, 2025	See footnote	F8

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.67 to $21.07 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
F2	These shares are held by Squadron Capital LLC ("Squadron"), a manager-managed limited liability company. As one of two members of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein.
F3	These shares are held by the reporting person's spouse, and the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein.
F4	These shares are held by the Pritzker Military Foundation. As the sole member of the Pritzker Military Foundation, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein.
F5	These shares are held by the Tawani Foundation. As the sole member of the Tawani Foundation, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein.
F6	These shares are held by Tawani Holdings LLC, a manager-managed limited liability company where the reporting person is one of two managers and whose controlling member is a revocable trust (the "Trust") for the benefit of the reporting person, who also serves as trustee of the Trust. In such capacity, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein.
F7	These shares are held by the Pritzker Military Museum and Library ("PMML"). As the sole member of PMML, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein.
F8	These shares are held by Mary's Go Round LLC, a manager-managed limited liability company whose manager and sole member is a corporation solely owned by the Trust and where the reporting person is the sole director. In such capacity, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein.