Alphatec Holdings, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Alphatec Holdings, Inc. (ATEC), sourced directly from SEC EDGAR and updated as new filings are accepted.
Quick Answer
Are ATEC insiders buying or selling?
Alphatec Holdings, Inc. insiders reported 44 open-market buys ($101.4M) and 161 sells ($1.2B) across 205 Form 4 filings — a net selling position of $1.1B.
Source: SEC EDGAR Form 4
Key Statistics (as of Jun 12, 2026)
Insider sentiment
Net sellingNet insider flow of $1.1B in net selling. 1 insider buy in the last 90 days.
Recent ATEC insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 12, 2026 | Karen K Mcginnis | Director | Sale | 6.0K | $8.01 | $48.5K |
| May 11, 2026 | Keith Valentine | Director | Purchase | 135.0K | $7.38 | $996.2K |
| Mar 17, 2026 | John Todd Koning | CHIEF FINANCIAL OFFICER | Sale | 79.8K | $12.36 | $986.2K |
| Mar 17, 2026 | Scott Lish | CHIEF OPERATING OFFICER | Sale | 260.5K | $12.30 | $3.2M |
| Mar 13, 2026 | David Sponsel | EVP, SALES | Sale | 163.5K | $12.52 | $2.0M |
| Mar 10, 2026 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | Sale | 116.4K | $12.38 | $1.4M |
| Mar 9, 2026 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sale | 88.8K | $12.49 | $1.1M |
| Feb 6, 2026 | David Sponsel | EVP, SALES | Sale | 60.4K | $13.79 | $833.3K |
| Feb 5, 2026 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | Sale | 37.4K | $14.71 | $549.5K |
| Jan 7, 2026 | Patrick Miles | CEO | Sale | 100.0K | $21.01 | $2.1M |
| Dec 19, 2025 | Scott Lish | CHIEF OPERATING OFFICER | Sale | 19.9K | $19.64 | $390.8K |
| Dec 19, 2025 | David R Pelizzon | Director | Sale | 250.0K | $19.66 | $4.9M |
| Dec 13, 2025 | Craig E Hunsaker | EVP, PEOPLE & CULTURE | Sale | 32.6K | $20.84 | $679.1K |
| Dec 13, 2025 | David Sponsel | EVP, SALES | Sale | 21.1K | $20.79 | $438.8K |
| Dec 13, 2025 | David M Demski | Director | Sale | 30.0K | $21.20 | $636.0K |
| Dec 11, 2025 | David R Pelizzon | Director, 10% Owner | Sale | 250.0K | $21.18 | $5.3M |
| Dec 11, 2025 | Squadron Capital LLC | 10% Owner | Sale | 250.0K | $21.18 | $5.3M |
| Dec 11, 2025 | David Sponsel | EVP, SALES | Sale | 988 | $21.45 | $21.2K |
| Dec 10, 2025 | Squadron Capital Holdings LLC | 10% Owner | Sale | 250.0K | $21.18 | $5.3M |
| Dec 10, 2025 | Jennifer N. Pritzker | 10% Owner | Sale | 250.0K | $21.18 | $5.3M |
| Dec 10, 2025 | Scott Lish | CHIEF OPERATING OFFICER | Sale | 10.9K | $21.47 | $233.5K |
| Dec 10, 2025 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sale | 22.9K | $21.47 | $491.5K |
| Dec 4, 2025 | Patrick Miles | CEO | Sale | 100.0K | $22.11 | $2.2M |
| Nov 26, 2025 | Jennifer N. Pritzker | 10% Owner | Sale | 250.0K | $20.62 | $5.2M |
| Nov 26, 2025 | Squadron Capital Holdings LLC | 10% Owner | Sale | 250.0K | $20.62 | $5.2M |
Showing the 25 most recent of 205 Form 4 filings for Alphatec Holdings, Inc..
Most active ATEC insiders
- Craig E Hunsaker30 filings
- David Sponsel28 filings
- Scott Lish25 filings
- Patrick Miles21 filings
- Jennifer N. Pritzker15 filings
Ask anything about ATEC insider activity
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Open the AI agentATEC insider trading FAQ
Are Alphatec Holdings, Inc. insiders buying or selling?
Across 205 SEC Form 4 filings, Alphatec Holdings, Inc. (ATEC) insiders reported 44 open-market purchases totaling $101.4M and 161 sales totaling $1.2B. That is a net selling position of $1.1B.
How many insiders trade ATEC stock?
27 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Alphatec Holdings, Inc.. The most recent filing was accepted on Jun 12, 2026.
Where does Trabud get ATEC insider trading data?
All ATEC insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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