David R. Pelizzon - 08 Dec 2025 Form 4 Insider Report for Alphatec Holdings, Inc. (ATEC)

Role
Director, 10%+ Owner
Signature
/s/ David R. Pelizzon
Issuer symbol
ATEC
Transactions as of
08 Dec 2025
Net transactions value
-$5,295,098
Form type
4
Filing time
10 Dec 2025, 19:00:13 UTC
Previous filing
25 Nov 2025
Next filing
18 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Pelizzon David R Director, 10%+ Owner C/O ALPHATEC SPINE, INC., 1950 CAMINO VIDA ROBLE, CARLSBAD /s/ David R. Pelizzon 10 Dec 2025 0001719217

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATEC Common Stock Sale $4,688,719 -221,166 -2% $21.20 10,673,879 08 Dec 2025 By Squadron Capital LLC F1, F2
transaction ATEC Common Stock Sale $606,379 -28,834 -0.27% $21.03 10,645,045 09 Dec 2025 By Squadron Capital LLC F2, F3
holding ATEC Common Stock 346,827 08 Dec 2025 Direct
* 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 $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.
F2 These shares are held by Squadron Capital LLC ("Squadron"). 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 his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose.
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.