Jennifer N. Pritzker - 08 Dec 2025 Form 4 Insider Report for Alphatec Holdings, Inc. (ATEC)

Reporting relationship: 10%+ Owner
Issuer ticker: ATEC
Reported as of: 08 Dec 2025
Net transaction value: -$5,295,098
SEC form: 4
Accepted by SEC: 10 Dec 2025, 18:26:07 UTC
Prior SEC filing: 26 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Jennifer N. Pritzker

Key filing fact

Jennifer N. Pritzker filed Form 4 for Alphatec Holdings, Inc. (ATEC) on 10 Dec 2025.

Key facts

This page summarizes Jennifer N. Pritzker's Form 4 filing for Alphatec Holdings, Inc. (ATEC).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 10 Dec 2025, 18:26.

Change

Previous filing in this sequence was filed on 26 Nov 2025.
Current net transaction value: -$5,295,098.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001850165 Primary reporting owner

Pritzker Jennifer N.

Relationship: 10%+ Owner
Address: 104 S. MICHIGAN AVE., CHICAGO
Signature: /s/ Jennifer N. Pritzker
Signature date: 10 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATEC transaction

Common Stock

Sale

Transaction value: $4,688,719
Shares: -221,166
Change %: -2%
Price: $21.20
Shares after: 10,673,879
Date: 08 Dec 2025
Ownership: See footnote
Footnotes: F1, F2

ATEC transaction

Common Stock

Sale

Transaction value: $606,379
Shares: -28,834
Change %: -0.27%
Price: $21.03
Shares after: 10,645,045
Date: 09 Dec 2025
Ownership: See footnote
Footnotes: F2, F3

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 58,000
Date: 08 Dec 2025
Ownership: Direct

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 11,931
Date: 08 Dec 2025
Ownership: See footnote
Footnotes: F4

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 8,000
Date: 08 Dec 2025
Ownership: See footnote
Footnotes: F5

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 6,000
Date: 08 Dec 2025
Ownership: See footnote
Footnotes: F6

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,725,805
Date: 08 Dec 2025
Ownership: See footnote
Footnotes: F7

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,000
Date: 08 Dec 2025
Ownership: See footnote
Footnotes: F8

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,000
Date: 08 Dec 2025
Ownership: See footnote
Footnotes: F9

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 9 footnotes

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.00 to $21.42 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.

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.

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.91 to $21.11 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.

Footnote F4

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.

Footnote F5

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.

Footnote F6

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.

Footnote F7

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.

Footnote F8

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.

Footnote F9

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.

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