ATEC (Alphatec Holdings, Inc.)
Insider Trading Activity
Every open-market purchase and sale reported by ATEC officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-07 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sell | — | — |
| 2026-08-07 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sell | — | — |
| 2026-06-12 | KAREN K MCGINNIS | Director | MIXED | — | — |
| 2026-06-12 | David M Demski | Director | A | — | — |
| 2026-06-12 | David R Pelizzon | Director | A | — | — |
| 2026-06-12 | Keith Valentine | Director | A | — | — |
| 2026-06-12 | Quentin S. Blackford | Director | A | — | — |
| 2026-06-12 | Mortimer Berkowitz III | Director | A | — | — |
| 2026-05-11 | Keith Valentine | Director | Buy | — | — |
| 2026-04-09 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | MIXED | — | — |
| 2026-03-17 | Scott Lish | CHIEF OPERATING OFFICER | Sell | — | — |
| 2026-03-17 | John Todd Koning | CHIEF FINANCIAL OFFICER | Sell | — | — |
| 2026-03-13 | David Sponsel | EVP, SALES | Sell | — | — |
| 2026-03-10 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | MIXED | — | — |
| 2026-03-09 | John Todd Koning | CHIEF FINANCIAL OFFICER | F | — | — |
| 2026-03-09 | Patrick Miles | CEO | F | — | — |
| 2026-03-09 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sell | — | — |
| 2026-02-27 | John Todd Koning | CHIEF FINANCIAL OFFICER | A | — | — |
| 2026-02-27 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | A | — | — |
| 2026-02-27 | Scott Lish | CHIEF OPERATING OFFICER | A | — | — |
| 2026-02-27 | Patrick Miles | CEO | A | — | — |
| 2026-02-27 | David Sponsel | EVP, SALES | A | — | — |
| 2026-02-27 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | A | — | — |
| 2026-02-17 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | MIXED | — | — |
| 2026-02-06 | David Sponsel | EVP, SALES | Sell | — | — |
| 2026-02-04 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | Sell | — | — |
| 2026-01-06 | Patrick Miles | CEO | Sell | — | — |
| 2025-12-18 | David R Pelizzon | Director | Sell | — | — |
| 2025-12-18 | Scott Lish | CHIEF OPERATING OFFICER | Sell | — | — |
| 2025-12-12 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | Sell | — | — |
| 2025-12-12 | David Sponsel | EVP, SALES | Sell | — | — |
| 2025-12-12 | David M Demski | Director | Sell | — | — |
| 2025-12-10 | David R Pelizzon | Director | Sell | — | — |
| 2025-12-10 | Squadron Capital LLC | 10%+ Owner | Sell | — | — |
| 2025-12-10 | Squadron Capital Holdings LLC | 10%+ Owner | Sell | — | — |
| 2025-12-10 | Patrick Miles | CEO | F | — | — |
| 2025-12-10 | David Sponsel | EVP, SALES | Sell | — | — |
| 2025-12-10 | John Todd Koning | CHIEF FINANCIAL OFFICER | F | — | — |
| 2025-12-10 | Jennifer N. Pritzker | 10%+ Owner | Sell | — | — |
| 2025-12-09 | Scott Lish | CHIEF OPERATING OFFICER | Sell | — | — |
| 2025-12-09 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sell | — | — |
| 2025-12-03 | Patrick Miles | CEO | Sell | — | — |
| 2025-11-26 | Squadron Capital Holdings LLC | 10%+ Owner | Sell | — | — |
| 2025-11-26 | Jennifer N. Pritzker | 10%+ Owner | Sell | — | — |
| 2025-11-25 | Squadron Capital LLC | 10%+ Owner | Sell | — | — |
| 2025-11-25 | David R Pelizzon | Director | Sell | — | — |
| 2025-11-21 | Scott Lish | CHIEF OPERATING OFFICER | MIXED | — | — |
| 2025-11-21 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sell | — | — |
| 2025-11-14 | Squadron Capital Holdings LLC | 10%+ Owner | Sell | — | — |
| 2025-11-14 | David R Pelizzon | Director | Sell | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| — | 10%+ Owner | 11,081,538 | — |
| — | Director | 11,081,538 | — |
| — | Director | 10,773,884 | — |
| — | 10%+ Owner | 10,673,879 | — |
| — | 10%+ Owner | 10,673,879 | — |
| — | CEO | 5,789,451 | — |
| — | Director | 3,622,109 | — |
| — | Director | 2,571,196 | — |
| — | Director | 2,210,602 | — |
| — | 10%+ Owner | 1,750,880 | — |
| — | EVP, PEOPLE & CULTURE | 1,725,609 | — |
| — | Director | 1,155,785 | — |
| — | Director | 899,130 | — |
| — | Director | 898,098 | — |
| — | CHIEF OPERATING OFFICER | 815,704 | — |
| — | Director | 797,893 | — |
| — | Director | 796,637 | — |
| — | President & COO | 790,198 | — |
| — | EVP & CFO | 670,644 | — |
| — | EVP, MARKETING | 655,382 | — |
| — | GENERAL COUNSEL & CORP. SEC. | 630,398 | — |
| — | CHIEF FINANCIAL OFFICER | 600,721 | — |
| — | Director | 600,381 | — |
| — | EVP, CLINICAL STRATEGIES | 540,098 | — |
| — | EVP, SALES | 504,932 | — |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the ATEC quote page; the site-wide leaderboard is on the insider transactions hub.