secwatch.observer — SEC 8-K summary ====================================== Issuer: Alphatec Holdings, Inc. (ATEC) CIK: 0001350653 Form: 8-K Filed at: 2025-11-07T23:59:59+00:00 Accession: 0001193125-25-271197 Event type: other_material Sentiment: negative Materiality: 0.20 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 ATEC board member Jeffrey P. Rydin passes away at 59 after lengthy illness -------------------------------------------------------------------------- - Jeffrey P. Rydin, age 59, passed away on November 3, 2025 after a lengthy illness. - Rydin served on ATEC's Board of Directors since June 2017; Special Advisor from September 2016. - He had nearly 30 years of medical device experience, including senior roles at NuVasive, DePuy Spine, and Ellipse Technologies. - CEO Pat Miles highlighted Rydin's key role in ATEC's turnaround and sales channel transformation. - No replacement announced; company did not disclose any operational impact. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1350653/000119312525271197/0001193125-25-271197-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1350653/000119312525271197/atec-20251103.htm HTML page: https://secwatch.observer/filing/0001193125-25-271197 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer