ATECHealthcareSmall-Cap
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.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are ATEC insiders buying or selling?
Alphatec Holdings, Inc. insiders reported 44 open-market buys ($101.4M) and 162 sells ($1.2B) across 206 Form 4 filings — a net selling position of $1.1B.
Source: SEC EDGAR Form 4
Key Statistics (as of Aug 8, 2026)
Total Form 4 filings
206
SEC EDGAR
Insider filers
27
Insider buys (44)
$101.4M
Insider sells (162)
$1.2B
Insider sentiment
Net sellingNet insider flow of $1.1B in net selling.
Recent ATEC insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 8, 2026 | Tyson Eliot Marshall | GENERAL COUNSEL & CORP. SEC. | Sale | 8.2K | $9.65 | $78.8K |
| 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 |
Showing the 25 most recent of 206 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
Use Trabud's AI agent to query Alphatec Holdings, Inc.'s Form 4 history in plain English — "Show me ATEC CEO purchases this year" or compare it against any other ticker.
Open the AI agentATEC insider trading FAQ
Are Alphatec Holdings, Inc. insiders buying or selling?
Across 206 SEC Form 4 filings, Alphatec Holdings, Inc. (ATEC) insiders reported 44 open-market purchases totaling $101.4M and 162 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 Aug 8, 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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