# Alphatec Holdings, Inc.: filings

ATEC · Nasdaq · CIK 1350653 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/atec.md) · [Financials](/companies/atec/financials.md) · [Filings](/companies/atec/filings.md) · [Insiders](/companies/atec/insiders.md)

## Reports and events: 345 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 715, 8-K 220, 144 83, 10-Q 53, 3 42, S-8 21, DEF 14A 19, 10-K 18, SC 13G/A 18, CT ORDER 17, DEFA14A 17, UPLOAD 17, 4/A 15, 424B5 14, CORRESP 14, SD 13, SC 13D/A 12, EFFECT 10, S-3 10, SC 13G 10, 8-K/A 8, S-3/A 8, 5 7, D 6, 10-K/A 5, 424B3 4, ARS 4, PRE 14A 4, SCHEDULE 13D/A 4, 10-Q/A 3, NT 10-K 3, SC 13D 3, 3/A 2, PRER14A 2, S-3ASR 2, S-3MEF 2, 424B8 1, DEFM14A 1, FWP 1, PREM14A 1, SC TO-I 1, SC TO-I/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-29 | 16:21 ET | [8-K](/filings/0001193125-26-437830.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-437830 |
| 2026-08-04 | 16:57 ET | [10-Q](/filings/0001193125-26-333051.md) | Quarterly report, period 2026-06-30 | 0001193125-26-333051 |
| 2026-08-04 | 16:19 ET | [8-K](/filings/0001193125-26-332870.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-332870 |
| 2026-06-11 | 16:13 ET | [8-K](/filings/0001193125-26-267552.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-267552 |
| 2026-05-05 | 16:56 ET | [10-Q](/filings/0001193125-26-206683.md) | Quarterly report, period 2026-03-31 | 0001193125-26-206683 |
| 2026-05-05 | 16:28 ET | [8-K](/filings/0001193125-26-206530.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.02 Results of operations; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-206530 |
| 2026-04-29 | 16:26 ET | [DEF 14A](/filings/0001193125-26-191867.md) | Proxy statement, period 2026-06-10 | 0001193125-26-191867 |
| 2026-03-03 | 16:14 ET | [8-K](/filings/0001193125-26-088220.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-088220 |
| 2026-02-24 | 16:58 ET | [10-K](/filings/0001193125-26-067393.md) | Annual report, period 2025-12-31 | 0001193125-26-067393 |
| 2026-02-24 | 16:19 ET | [8-K](/filings/0001193125-26-067062.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-067062 |
| 2026-01-12 | 09:10 ET | [8-K](/filings/0001193125-26-009910.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-009910 |
| 2025-12-17 | 18:25 ET | [SCHEDULE 13D/A](/filings/0001193125-25-323158.md) | Ownership report, active investor, amended | 0001193125-25-323158 |
| 2025-11-07 | 09:10 ET | [8-K](/filings/0001193125-25-271197.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-271197 |
| 2025-10-30 | 16:57 ET | [10-Q](/filings/0001193125-25-258790.md) | Quarterly report, period 2025-09-30 | 0001193125-25-258790 |
| 2025-10-30 | 16:23 ET | [8-K](/filings/0001193125-25-258609.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-258609 |
| 2025-07-31 | 16:51 ET | [10-Q](/filings/0000950170-25-100963.md) | Quarterly report, period 2025-06-30 | 0000950170-25-100963 |
| 2025-07-31 | 16:19 ET | [8-K](/filings/0000950170-25-100924.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-100924 |
| 2025-06-13 | 16:03 ET | [8-K](/filings/0000950170-25-086130.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-25-086130 |
| 2025-05-01 | 16:57 ET | [10-Q](/filings/0000950170-25-061974.md) | Quarterly report, period 2025-03-31 | 0000950170-25-061974 |
| 2025-05-01 | 16:17 ET | [8-K](/filings/0000950170-25-061859.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-061859 |
| 2025-04-25 | 16:14 ET | [DEF 14A](/filings/0000950170-25-058724.md) | Proxy statement, period 2025-06-11 | 0000950170-25-058724 |
| 2025-04-23 | 21:45 ET | [SCHEDULE 13D/A](/filings/0000950170-25-057646.md) | Ownership report, active investor, amended | 0000950170-25-057646 |
| 2025-04-11 | 20:34 ET | [SCHEDULE 13D/A](/filings/0000950170-25-053434.md) | Ownership report, active investor, amended | 0000950170-25-053434 |
| 2025-04-03 | 16:23 ET | [8-K](/filings/0000950170-25-050434.md) | 5.02 Departure or appointment of officers or directors | 0000950170-25-050434 |
| 2025-03-14 | 16:03 ET | [8-K](/filings/0001193125-25-054786.md) | 8.01 Other events | 0001193125-25-054786 |
| 2025-03-07 | 17:27 ET | [8-K](/filings/0001193125-25-049998.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001193125-25-049998 |
| 2025-03-05 | 16:05 ET | [8-K](/filings/0001193125-25-047166.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-047166 |
| 2025-03-03 | 16:02 ET | [8-K](/filings/0001193125-25-044094.md) | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-044094 |
| 2025-02-26 | 17:10 ET | [10-K](/filings/0000950170-25-027916.md) | Annual report, period 2024-12-31 | 0000950170-25-027916 |
| 2025-02-26 | 16:20 ET | [8-K](/filings/0000950170-25-027786.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-027786 |
| 2025-02-06 | 09:01 ET | [SCHEDULE 13D/A](/filings/0000950170-25-015038.md) | Ownership report, active investor, amended | 0000950170-25-015038 |
| 2025-01-13 | 09:11 ET | [8-K](/filings/0000950170-25-004614.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-004614 |
| 2024-11-12 | 20:04 ET | [SC 13D/A](/filings/0001193125-24-256228.md) | Ownership report, active investor, amended | 0001193125-24-256228 |
| 2024-10-30 | 16:54 ET | [10-Q](/filings/0000950170-24-119083.md) | Quarterly report, period 2024-09-30 | 0000950170-24-119083 |
| 2024-10-30 | 16:20 ET | [8-K](/filings/0000950170-24-119022.md) | 1.01 Entry into a material agreement; 2.02 Results of operations; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0000950170-24-119022 |
| 2024-07-31 | 16:57 ET | [10-Q](/filings/0000950170-24-088670.md) | Quarterly report, period 2024-06-30 | 0000950170-24-088670 |
| 2024-07-31 | 16:20 ET | [8-K](/filings/0000950170-24-088609.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-088609 |
| 2024-06-17 | 18:09 ET | [8-K](/filings/0000950170-24-073859.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-073859 |
| 2024-05-07 | 16:59 ET | [10-Q](/filings/0000950170-24-054691.md) | Quarterly report, period 2024-03-31 | 0000950170-24-054691 |
| 2024-05-07 | 16:20 ET | [8-K](/filings/0000950170-24-054549.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-054549 |
| 2024-04-26 | 16:44 ET | [DEF 14A](/filings/0000950170-24-049245.md) | Proxy statement, period 2024-06-12 | 0000950170-24-049245 |
| 2024-03-22 | 19:57 ET | [SC 13D/A](/filings/0001193125-24-075553.md) | Ownership report, active investor, amended | 0001193125-24-075553 |
| 2024-03-19 | 17:05 ET | [8-K](/filings/0000950170-24-033642.md) | 7.01 Regulation FD disclosure | 0000950170-24-033642 |
| 2024-02-27 | 16:52 ET | [10-K](/filings/0000950170-24-021302.md) | Annual report, period 2023-12-31 | 0000950170-24-021302 |
| 2024-02-27 | 16:22 ET | [8-K](/filings/0000950170-24-021203.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-021203 |
| 2024-01-08 | 09:00 ET | [8-K](/filings/0000950170-24-002736.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-002736 |
| 2024-01-03 | 09:00 ET | [8-K](/filings/0000950170-24-000544.md) | 5.02 Departure or appointment of officers or directors | 0000950170-24-000544 |
| 2023-11-06 | 16:51 ET | [10-Q](/filings/0000950170-23-059489.md) | Quarterly report, period 2023-09-30 | 0000950170-23-059489 |
| 2023-11-06 | 16:19 ET | [8-K](/filings/0000950170-23-059413.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-059413 |
| 2023-10-27 | 17:31 ET | [8-K](/filings/0001193125-23-264201.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-23-264201 |

Page 1 of 7. [Older](/companies/atec/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 17:13 ET. No prices; not investment advice.