Mortimer Berkowitz III - Sep 9, 2025 Form 4 Insider Report for Alphatec Holdings, Inc. (ATEC)

Role
Director
Signature
/s/ Tyson E. Marshall, Attorney-in-Fact
Stock symbol
ATEC
Transactions as of
Sep 9, 2025
Transactions value $
-$998,125
Form type
4
Date filed
9/11/2025, 07:30 PM
Previous filing
Jun 13, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Berkowitz Mortimer III Director C/O ALPHATEC SPINE, INC., 1950 CAMINO VIDA ROBLE, CARLSBAD /s/ Tyson E. Marshall, Attorney-in-Fact 2025-09-11 0001364333

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATEC Common Stock Sale -$998K -62.5K -9.18% $15.97 618K Sep 9, 2025 Direct F1
holding ATEC Common Stock 24.8K Sep 9, 2025 By Spouse F2
holding ATEC Common Stock 147K Sep 9, 2025 By the Charlotte G. Berkowitz 2016 Trust F2, F3
holding ATEC Common Stock 147K Sep 9, 2025 By the Thomas G. Berkowitz 2016 Trust F2, F3
holding ATEC Common Stock 147K Sep 9, 2025 By the Hayward M. Berkowitz 2016 Trust F2, F3
holding ATEC Common Stock 147K Sep 9, 2025 By the William W. Berkowitz 2016 Trust F2, F3
* 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 $15.90 to $16.04, 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 The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein.
F3 As one of two trustees of the identified trust, the reporting person may be deemed to be the beneficial owner of these shares.