Alphatec Holdings, Inc. (ATEC)
Nasdaq: ATEC · Surgical & Medical Instruments & Apparatus · Carlsbad, CA · filing with the SEC since 2006
Who owns Alphatec Holdings, Inc.
As filed with the SECHolders of 5% or more
1
Jennifer N. Pritzker holds 8.9% of Common Stock, par value $0.0001 per share, as its SCHEDULE 13D/A filed Dec 17, 2025 says.
Directors and officers
14
report now, of 40 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Jennifer N. Pritzker
SCHEDULE 13D/A · filed Dec 17, 2025 · Common Stock, par value $0.0001 per share
L-5 Healthcare Partners, LLC
SCHEDULE 13D/A · filed Apr 23, 2025 · Common Stock, par value $0.0001 per share · reported falling below 5%, from 5.3% in Apr 11, 2025
What ATEC reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Healthcare Partners, LLC
A company bought · acquisition · owns, named in the 10-K filed Feb 24, 2026
2 subsidiaries in 2 countries, from the list filed with the 10-K filed Feb 27, 2024.
Insider tradesForm 4
27sales
6purchases
15sales on a scheduled plan
9people selling
$39.9Msold, in dollars
$2.7Mbought, in dollars
Open-market trades on Form 4 from Nov 10, 2025 to Nov 10, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 10, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window13 of 44 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Pelizzon David R | director | 5 | $20.6M | 0 | 0 | $0 |
| Pritzker Jennifer N. | 10% owner | 4 | $15.7M | 0 | 0 | $0 |
| Squadron Capital Holdings LLC | 10% owner | 4 | $15.7M | 0 | 0 | $0 |
| Squadron Capital LLC | 10% owner | 4 | $15.7M | 0 | 0 | $0 |
| Miles Patrick | CEO | 2 | $4.3M | 2 | 1 | $1.0M |
| Lish Scott | CHIEF OPERATING OFFICER | 4 | $4.3M | 1 | 0 | $0 |
| Sponsel David | EVP, SALES | 4 | $3.3M | 3 | 0 | $0 |
| Marshall Tyson Eliot | GENERAL COUNSEL & CORP. SEC. | 5 | $3.0M | 4 | 0 | $0 |
| Hunsaker Craig E | EVP, PEOPLE & CULTURE | 4 | $2.7M | 3 | 0 | $0 |
| Koning John Todd | CHIEF FINANCIAL OFFICER | 1 | $1.0M | 1 | 0 | $0 |
| Demski David M | director | 1 | $600,000 | 0 | 1 | $400,000 |
| Valentine Keith | director | 0 | $0 | 0 | 4 | $1.2M |
| Mcginnis Karen K | director | 1 | $0 | 1 | 0 | $0 |