Patrick Miles - 08 Dec 2025 Form 4 Insider Report for Alphatec Holdings, Inc. (ATEC)

Reporting relationship: CEO, Director
Issuer ticker: ATEC
Reported as of: 08 Dec 2025
Net transaction value: -$615,186
SEC form: 4
Accepted by SEC: 10 Dec 2025, 19:00:08 UTC
Prior SEC filing: 03 Dec 2025
Next SEC filing: 06 Jan 2026
Source filing: View source filing
Reporting owner signature: /s/ Tyson E. Marshall, Attorney-in-Fact

Key filing fact

Patrick Miles filed Form 4 for Alphatec Holdings, Inc. (ATEC) on 10 Dec 2025.

Key facts

This page summarizes Patrick Miles's Form 4 filing for Alphatec Holdings, Inc. (ATEC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Dec 2025, 19:00.

Change

Previous filing in this sequence was filed on 03 Dec 2025.
Current net transaction value: -$615,186.

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 0001289409 Primary reporting owner

Miles Patrick

Relationship: CEO, Director
Address: C/O ALPHATEC SPINE, INC., 1950 CAMINO VIDA ROBLE, CARLSBAD
Signature: /s/ Tyson E. Marshall, Attorney-in-Fact
Signature date: 09 Dec 2025

Reported non-derivative transactions

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

ATEC transaction

Common Stock

Tax liability

Transaction value: $615,186
Shares: -28,680
Change %: -0.54%
Price: $21.45
Shares after: 5,235,398
Date: 08 Dec 2025
Ownership: Direct
Footnotes: F1

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 10,900
Date: 08 Dec 2025
Ownership: By IRA

ATEC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 250,000
Date: 08 Dec 2025
Ownership: By MOM, LLC

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

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

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