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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 29, 2026 | — |
| DEF 14A | Proxy statement | Apr 29, 2026 | Jun 10, 2026 |
| DEFA14A | Additional proxy material | May 8, 2025 | — |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 11, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 11, 2025 | Jun 11, 2025 |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 12, 2024 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 15, 2022 |
| DEFA14A | Additional proxy material | Apr 29, 2021 | — |
| DEF 14A | Proxy statement | Apr 29, 2021 | Jun 16, 2021 |
| DEFA14A | Additional proxy material | Apr 28, 2020 | — |
| DEF 14A | Proxy statement | Apr 28, 2020 | Jun 17, 2020 |
| DEFA14A | Additional proxy material | May 17, 2019 | — |
| DEF 14A | Proxy statement | Apr 30, 2019 | Jun 12, 2019 |
| DEF 14A | Proxy statement | Apr 25, 2018 | May 17, 2018 |
| PRE 14A | Preliminary proxy statement | Apr 13, 2018 | May 17, 2018 |
| DEFA14A | Additional proxy material | May 5, 2017 | — |
| DEF 14A | Proxy statement | May 5, 2017 | Jun 15, 2017 |
| PRE 14A | Preliminary proxy statement | Apr 25, 2017 | Jun 15, 2017 |
| DEFA14A | Additional proxy material | Jun 22, 2016 | — |
| DEF 14A | Proxy statement | Jun 22, 2016 | Jun 22, 2016 |
| PRE 14A | Preliminary proxy statement | Jun 2, 2016 | Jun 2, 2016 |
| DEF 14A | Proxy statement | Jun 1, 2016 | May 31, 2016 |
Showing 27 filings. 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.