Alphatec Holdings, Inc. - ATEC
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 73
Latest filed: Mar 17, 2026
| Form | Count |
|---|---|
| 4 | 47 |
| 144 | 20 |
| 8-K | 5 |
| SCHEDULE 13D/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Mar 17, 2026 | 4 | Mar 13, 2026 | 0001831608-26-000004 | View |
| Mar 17, 2026 | 4 | Mar 13, 2026 | 0001830843-26-000006 | View |
| Mar 13, 2026 | 144 | — | 0001950047-26-002576 | View |
| Mar 13, 2026 | 144 | — | 0001950047-26-002589 | View |
| Mar 13, 2026 | 4 | Mar 11, 2026 | 0001772837-26-000007 | View |
| Mar 11, 2026 | 144 | — | 0001950047-26-002497 | View |
| Mar 10, 2026 | 4 | Mar 06, 2026 | 0001509282-26-000008 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001289409-26-000006 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001666669-26-000005 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001830843-26-000004 | View |
| Mar 06, 2026 | 144 | — | 0001628280-26-015627 | View |
| Mar 05, 2026 | 144 | — | 0001950047-26-002269 | View |
| Mar 03, 2026 | 8-K | Feb 25, 2026 | 0001193125-26-088220 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001289409-26-000004 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001509282-26-000006 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001831608-26-000002 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001830843-26-000002 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001772837-26-000005 | View |
| Feb 27, 2026 | 4 | Feb 25, 2026 | 0001666669-26-000002 | View |
| Feb 24, 2026 | 8-K | Feb 24, 2026 | 0001193125-26-067062 | View |
| Feb 17, 2026 | 4 | Feb 12, 2026 | 0001509282-26-000004 | View |
| Feb 06, 2026 | 4 | Feb 05, 2026 | 0001772837-26-000003 | View |
| Feb 05, 2026 | 144 | — | 0001950047-26-000962 | View |
| Feb 04, 2026 | 4 | Feb 03, 2026 | 0001509282-26-000002 | View |
| Feb 03, 2026 | 144 | — | 0001628280-26-004911 | View |
| Jan 12, 2026 | 8-K | Jan 12, 2026 | 0001193125-26-009910 | View |
| Jan 06, 2026 | 4 | Jan 05, 2026 | 0001289409-26-000002 | View |
| Jan 05, 2026 | 144 | — | 0001950047-26-000150 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001719217-25-000009 | View |
| Dec 18, 2025 | 4 | Dec 16, 2025 | 0001831608-25-000009 | View |
| Dec 17, 2025 | SCHEDULE 13D/A | — | 0001193125-25-323158 | View |
| Dec 16, 2025 | 144 | — | 0001950047-25-010398 | View |
| Dec 12, 2025 | 4 | Dec 11, 2025 | 0001555392-25-000004 | View |
| Dec 12, 2025 | 4 | Dec 10, 2025 | 0001772837-25-000010 | View |
| Dec 12, 2025 | 4 | Dec 10, 2025 | 0001509282-25-000011 | View |
| Dec 11, 2025 | 144 | — | 0001974078-25-000469 | View |
| Dec 10, 2025 | 144 | — | 0001950047-25-010076 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001193125-25-314526 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001193125-25-314542 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001772837-25-000007 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001289409-25-000009 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001830843-25-000004 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001719228-25-000009 | View |
| Dec 10, 2025 | 4 | Dec 08, 2025 | 0001719217-25-000007 | View |
| Dec 09, 2025 | 4 | Dec 05, 2025 | 0001666669-25-000005 | View |
| Dec 09, 2025 | 4 | Dec 05, 2025 | 0001831608-25-000007 | View |
| Dec 05, 2025 | 144 | — | 0001950047-25-009836 | View |
| Dec 05, 2025 | 144 | — | 0001950047-25-009843 | View |
| Dec 05, 2025 | 144 | — | 0001950047-25-009855 | View |
| Dec 03, 2025 | 4 | Dec 01, 2025 | 0001289409-25-000007 | View |
| Dec 01, 2025 | 144 | — | 0001628280-25-054358 | View |
| Nov 26, 2025 | 4 | Nov 24, 2025 | 0001193125-25-298151 | View |
| Nov 26, 2025 | 4 | Nov 24, 2025 | 0001193125-25-298154 | View |
| Nov 25, 2025 | 4 | Nov 24, 2025 | 0001719228-25-000007 | View |
| Nov 25, 2025 | 4 | Nov 24, 2025 | 0001719217-25-000005 | View |
| Nov 21, 2025 | 4 | Nov 20, 2025 | 0001831608-25-000005 | View |
| Nov 21, 2025 | 4 | Nov 20, 2025 | 0001666669-25-000003 | View |
| Nov 20, 2025 | 144 | — | 0001950047-25-009159 | View |
| Nov 20, 2025 | 144 | — | 0001950047-25-009165 | View |
| Nov 14, 2025 | 4 | Nov 12, 2025 | 0001719228-25-000005 | View |
| Nov 14, 2025 | 4 | Nov 12, 2025 | 0001719217-25-000003 | View |
| Nov 14, 2025 | 4 | Nov 12, 2025 | 0001193125-25-283298 | View |
| Nov 14, 2025 | 4 | Nov 12, 2025 | 0001193125-25-283326 | View |
| Nov 07, 2025 | 8-K | Nov 03, 2025 | 0001193125-25-271197 | View |
| Nov 05, 2025 | 4 | Nov 03, 2025 | 0001289409-25-000005 | View |
| Nov 05, 2025 | 4 | Nov 03, 2025 | 0001345767-25-000003 | View |
| Nov 04, 2025 | 144 | — | 0001949846-25-000559 | View |
| Oct 31, 2025 | 144 | — | 0001509282-25-000006 | View |
| Oct 31, 2025 | 4 | Oct 31, 2025 | 0001509282-25-000007 | View |
| Oct 30, 2025 | 8-K | Oct 30, 2025 | 0001193125-25-258609 | View |
| Oct 28, 2025 | 4 | Oct 24, 2025 | 0001772837-25-000005 | View |
| Oct 24, 2025 | 144 | — | 0001950047-25-008169 | View |
| Oct 15, 2025 | 4 | Oct 14, 2025 | 0001831608-25-000003 | View |