---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-271197"
form_type: "8-K"
ticker: "ATEC"
cik: "0001350653"
company_name: "Alphatec Holdings, Inc."
filed_at: "2025-11-07T23:59:59+00:00"
generated_at: "2026-05-16T22:58:47.797530+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# ATEC board member Jeffrey P. Rydin passes away at 59 after lengthy illness

## Summary
- 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.

## SEC filing metadata
- accession: 0001193125-25-271197
- form_type: 8-K
- ticker: ATEC
- cik: 0001350653
- company_name: Alphatec Holdings, Inc.
- filed_at: 2025-11-07T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1350653/000119312525271197/0001193125-25-271197-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1350653/000119312525271197/atec-20251103.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-271197
- JSON: https://secwatch.observer/filing/0001193125-25-271197.json
- Plain text: https://secwatch.observer/filing/0001193125-25-271197.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.