Alphatec Holdings, Inc. SEC filings ATEC
Alphatec Holdings, Inc. has 1,010 filings in SEC EDGAR's recent list, going back to May 19, 2015. Its latest annual report, Form ARS, was filed on Apr 29, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 2, 2026 | Oct 30, 2026 |
| 10-Q | Quarterly report | Oct 29, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Results of operations
|
Oct 29, 2026 | Oct 29, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 5, 2026 |
| 3 | Initial insider ownership | Sep 24, 2026 | Sep 14, 2026 |
| 4 | Insider transaction | Sep 10, 2026 | Sep 10, 2026 |
| 4 | Insider transaction | Aug 7, 2026 | Aug 5, 2026 |
| 144 | Notice of proposed sale | Aug 5, 2026 | — |
| 10-Q | Quarterly report | Aug 4, 2026 | Jun 30, 2026 |
| S-8 | Employee stock plan registration | Aug 4, 2026 | — |
| 8-K |
Current report
Results of operations
|
Aug 4, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 10, 2025 |
| S-8 | Employee stock plan registration | Jun 11, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 11, 2026 | Jun 10, 2026 |
| 144 | Notice of proposed sale | Jun 11, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2026 | — |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, Results of operations, New debt
|
May 5, 2026 | May 1, 2026 |
| ARS | Annual report to shareholders | Apr 29, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Jun 10, 2026 |
| 4 | Insider transaction | Apr 9, 2026 | Apr 7, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 17, 2026 | Mar 13, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 11, 2026 |
| 144 | Notice of proposed sale | Mar 13, 2026 | — |
| 144 | Notice of proposed sale | Mar 13, 2026 | — |
| 144 | Notice of proposed sale | Mar 11, 2026 | — |
| 4 | Insider transaction | Mar 10, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 144 | Notice of proposed sale | Mar 6, 2026 | — |
| 144 | Notice of proposed sale | Mar 5, 2026 | — |
| 8-K |
Current report
Officer or director change, Other events
|
Mar 3, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 10-K | Annual report | Feb 24, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 24, 2026 | Feb 24, 2026 |
| 4 | Insider transaction | Feb 17, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Feb 6, 2026 | Feb 5, 2026 |
| 144 | Notice of proposed sale | Feb 5, 2026 | — |
| 4 | Insider transaction | Feb 4, 2026 | Feb 3, 2026 |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 8-K |
Current report
Results of operations
|
Jan 12, 2026 | Jan 12, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 5, 2026 |
| 144 | Notice of proposed sale | Jan 5, 2026 | — |
| 4 | Insider transaction | Dec 18, 2025 | Dec 16, 2025 |
| 4 | Insider transaction | Dec 18, 2025 | Dec 16, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 17, 2025 | — |
| 144 | Notice of proposed sale | Dec 16, 2025 | — |
| 4 | Insider transaction | Dec 12, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 10, 2025 |
| 4 | Insider transaction | Dec 12, 2025 | Dec 11, 2025 |
| 144 | Notice of proposed sale | Dec 11, 2025 | — |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 10, 2025 | Dec 8, 2025 |
| 144 | Notice of proposed sale | Dec 10, 2025 | — |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 5, 2025 |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 144 | Notice of proposed sale | Dec 5, 2025 | — |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 144 | Notice of proposed sale | Dec 1, 2025 | — |
| 4 | Insider transaction | Nov 26, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 26, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 25, 2025 | Nov 24, 2025 |
| 4 | Insider transaction | Nov 21, 2025 | Nov 20, 2025 |
| 4 | Insider transaction | Nov 21, 2025 | Nov 20, 2025 |
| 144 | Notice of proposed sale | Nov 20, 2025 | — |
| 144 | Notice of proposed sale | Nov 20, 2025 | — |
| 4 | Insider transaction | Nov 14, 2025 | Nov 12, 2025 |
| 4 | Insider transaction | Nov 14, 2025 | Nov 12, 2025 |
| 4 | Insider transaction | Nov 14, 2025 | Nov 12, 2025 |
| 4 | Insider transaction | Nov 14, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Other events
|
Nov 7, 2025 | Nov 3, 2025 |
| 4 | Insider transaction | Nov 5, 2025 | Nov 3, 2025 |
| 4 | Insider transaction | Nov 5, 2025 | Nov 3, 2025 |
| 144 | Notice of proposed sale | Nov 4, 2025 | — |
| 4 | Insider transaction | Oct 31, 2025 | Oct 31, 2025 |
| 144 | Notice of proposed sale | Oct 31, 2025 | — |
| 10-Q | Quarterly report | Oct 30, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Oct 30, 2025 | Oct 30, 2025 |
| 4 | Insider transaction | Oct 28, 2025 | Oct 24, 2025 |
| 144 | Notice of proposed sale | Oct 24, 2025 | — |
| 4 | Insider transaction | Oct 15, 2025 | Oct 14, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 4 | Insider transaction | Sep 19, 2025 | Sep 18, 2025 |
| 144 | Notice of proposed sale | Sep 19, 2025 | — |
| 144 | Notice of proposed sale | Sep 18, 2025 | — |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 4 | Insider transaction | Aug 21, 2025 | Aug 21, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 14, 2025 | Aug 14, 2025 |
| 144 | Notice of proposed sale | Aug 13, 2025 | — |
| 4 | Insider transaction | Aug 7, 2025 | Aug 6, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 6, 2025 |
| 4 | Insider transaction | Aug 7, 2025 | Aug 5, 2025 |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 144 | Notice of proposed sale | Aug 5, 2025 | — |
| 144 | Notice of proposed sale | Aug 4, 2025 | — |
| 144 | Notice of proposed sale | Aug 1, 2025 | — |
| 10-Q | Quarterly report | Jul 31, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Jul 31, 2025 | Jul 31, 2025 |
| 4 | Insider transaction | Jul 14, 2025 | Jul 10, 2025 |
| 4 | Insider transaction | Jul 14, 2025 | Jul 10, 2025 |
| 144 | Notice of proposed sale | Jul 10, 2025 | — |
| 144 | Notice of proposed sale | Jul 10, 2025 | — |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| S-8 | Employee stock plan registration | Jun 13, 2025 | — |
| 144 | Notice of proposed sale | Jun 13, 2025 | — |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Jun 13, 2025 | Jun 11, 2025 |
| 144 | Notice of proposed sale | Jun 11, 2025 | — |
| 4 | Insider transaction | Jun 6, 2025 | Jun 4, 2025 |
| 144 | Notice of proposed sale | Jun 3, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2025 | — |
| 4 | Insider transaction | May 21, 2025 | May 19, 2025 |
| 144 | Notice of proposed sale | May 19, 2025 | — |
| DEFA14A | Additional proxy material | May 8, 2025 | — |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 144 | Notice of proposed sale | May 5, 2025 | — |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 29, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 11, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 23, 2025 | — |
| 4 | Insider transaction | Apr 23, 2025 | Apr 22, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 11, 2025 | — |
| PRE 14A | Preliminary proxy statement | Apr 11, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| 8-K |
Current report
Officer or director change
|
Apr 3, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Other events
|
Mar 14, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 12, 2025 | Mar 10, 2025 |
| 144 | Notice of proposed sale | Mar 10, 2025 | — |
| 144 | Notice of proposed sale | Mar 10, 2025 | — |
| 4 | Insider transaction | Mar 10, 2025 | Mar 6, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 6, 2025 |
| 4 | Insider transaction | Mar 7, 2025 | Mar 6, 2025 |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Mar 7, 2025 | Mar 7, 2025 |
| 144 | Notice of proposed sale | Mar 7, 2025 | — |
| 144 | Notice of proposed sale | Mar 6, 2025 | — |
| 8-K |
Current report
Other events
|
Mar 5, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 3, 2025 | Mar 3, 2025 |
| 144 | Notice of proposed sale | Mar 3, 2025 | — |
| 4 | Insider transaction | Feb 28, 2025 | Feb 27, 2025 |
| 144 | Notice of proposed sale | Feb 27, 2025 | — |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 4 | Insider transaction | Feb 26, 2025 | Feb 24, 2025 |
| 10-K | Annual report | Feb 26, 2025 | Dec 31, 2024 |
| 144 | Notice of proposed sale | Feb 26, 2025 | — |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 144 | Notice of proposed sale | Feb 25, 2025 | — |
| 144 | Notice of proposed sale | Feb 24, 2025 | — |
| 4 | Insider transaction | Feb 7, 2025 | Feb 6, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 5, 2025 |
| 144 | Notice of proposed sale | Feb 6, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 6, 2025 | — |
| 144 | Notice of proposed sale | Feb 5, 2025 | — |
| 4 | Insider transaction | Feb 4, 2025 | Feb 3, 2025 |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 4 | Insider transaction | Jan 31, 2025 | Jan 29, 2025 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Surgical & Medical Instruments & Apparatus (SIC 3841)
- Listed as
- ATEC (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Carlsbad, CA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1350653
- Former names
- Alphatec Holdings, Inc. (until Nov 2, 2026)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.