Alphatec Holdings, Inc.
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A designer and seller of spinal implants, fixation systems, biologics, and surgical instruments for treating spine disorders, Alphatec centers its lineup on the Prone TransPsoas (PTP) lateral approach, SafeOp nerve monitoring, and an imaging-and-robotics platform built on EOS whole-body scans and Valence surgical navigation. The company began in 1990 as a contract manufacturer for other medical-device firms, renamed itself Alphatec Spine in 2005 to mark its shift to its own spine products, and later folded EOS imaging into its platform in 2021.
0.75% Convertible Senior Notes due 2026
| Holder | Schedule | % of class | Shares | Filed |
|---|---|---|---|---|
| Jennifer N. Pritzker | 13D/AActivist | 8.9% | 13.22M | Dec 17, 2025 |
| David R. Pelizzon | 13D/AActivist | 7.2% | 10.74M | Dec 17, 2025 |
| Squadron Capital LLC | 13D/AActivist | 7% | 10.40M | Dec 17, 2025 |
| Squadron Capital Holdings LLC | 13D/AActivist | 7% | 10.40M | Dec 17, 2025 |
| L-5 Healthcare Partners, LLC | 13D/AActivist | 4.96% | 7.20M | Apr 23, 2025 |
| Paul Segal | 13D/AActivist | 4.96% | 7.20M | Apr 23, 2025 |