| SC 13D/A | 2024-03-22 | L-5 Healthcare Partners, LLC | Alphatec Holdings, Inc. | 11,081,538 | 8.0% | EDGAR |
| SC 13G | 2024-01-29 | BlackRock Inc. | Alphatec Holdings, Inc. | 7,692,936 | 5.6% | EDGAR |
| SC 13D/A | 2023-05-12 | L-5 Healthcare Partners, LLC | Alphatec Holdings, Inc. | 11,081,538 | 9.4% | EDGAR |
| SC 13D/A | 2023-01-27 | L-5 Healthcare Partners, LLC | Alphatec Holdings, Inc. | 13,343,865 | 12.4% | EDGAR |
| SC 13D/A | 2022-06-29 | L-5 Healthcare Partners, LLC | Alphatec Holdings, Inc. | 14,588,793 | 13.5% | EDGAR |
| SC 13G/A | 2021-04-12 | BlackRock Inc. | Alphatec Holdings, Inc. | 4,372,095 | 4.6% | EDGAR |
| SC 13D | 2021-03-11 | Squadron Capital LLC | Alphatec Holdings, Inc. | 11,395,045 | 12.0% | EDGAR |
| SC 13G | 2021-02-02 | BlackRock Inc. | Alphatec Holdings, Inc. | 3,921,808 | 5.0% | EDGAR |
| SC 13G/A | 2020-02-14 | ARMISTICE CAPITAL, LLC | Alphatec Holdings, Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2020-02-11 | UBS Group AG | Alphatec Holdings, Inc. | - | - | EDGAR |
| SC 13D/A | 2019-03-14 | L-5 Healthcare Partners, LLC | Alphatec Holdings, Inc. | 14,682,540 | 29.4% | EDGAR |
| SC 13D/A | 2019-03-07 | L-5 Healthcare Partners, LLC | Alphatec Holdings, Inc. | 14,682,540 | 29.4% | EDGAR |
| SC 13G | 2019-02-15 | UBS Group AG | Alphatec Holdings, Inc. | 2,965,156 | 6.9% | EDGAR |
| SC 13G/A | 2019-02-14 | ARMISTICE CAPITAL, LLC | Alphatec Holdings, Inc. | 3,338,414 | 7.7% | EDGAR |
| SC 13G/A | 2019-02-14 | GUPTA NIRAJ | Alphatec Holdings, Inc. | 883,951 | 2.0% | EDGAR |
| SC 13G/A | 2019-02-13 | Stonepine Capital Management, LLC | Alphatec Holdings, Inc. | 1,147,802 | 2.6% | EDGAR |
| SC 13D/A | 2018-06-25 | HealthpointCapital Partners LP | Alphatec Holdings, Inc. | 0 | 0.0% | EDGAR |
| SC 13G | 2018-06-15 | Stonepine Capital Management, LLC | Alphatec Holdings, Inc. | 1,733,534 | 6.2% | EDGAR |
| SC 13G | 2018-03-19 | ARMISTICE CAPITAL, LLC | Alphatec Holdings, Inc. | 2,550,361 | 10.0% | EDGAR |
| SC 13D | 2018-03-16 | L-5 Healthcare Partners, LLC | Alphatec Holdings, Inc. | 14,682,540 | 29.7% | EDGAR |