---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-053803"
form_type: "8-K"
ticker: "ATEC"
cik: "0001350653"
company_name: "Alphatec Holdings, Inc."
filed_at: "2023-10-17T23:59:59+00:00"
generated_at: "2026-06-09T22:30:14.403375+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Alphatec appoints former Globus Medical CEO Demski to board, Valentine as special advisor

## Summary
- Dave Demski, former Globus Medical CEO (2017-2022), appointed independent director effective Oct 17, 2023.
- Keith Valentine, former Orthofix/SeaSpine CEO, appointed Special Advisor to the board.
- Chairman Pat Miles highlights combined 50 years of spine leadership; ATEC positions as 'clinically focused spine-only company'.
- Demski receives initial RSU grant of $300,000 vesting over 3 years, annual RSU of $150,000, and cash retainers up to $70,000 (Chair).

## SEC filing metadata
- accession: 0000950170-23-053803
- form_type: 8-K
- ticker: ATEC
- cik: 0001350653
- company_name: Alphatec Holdings, Inc.
- filed_at: 2023-10-17T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1350653/000095017023053803/0000950170-23-053803-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1350653/000095017023053803/atec-20231016.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-053803
- JSON: https://secwatch.observer/filing/0000950170-23-053803.json
- Plain text: https://secwatch.observer/filing/0000950170-23-053803.txt

## Key facts
- Executive change
  Dave Demski was appointed as director at Alphatec Holdings, Inc..
  - Action: appointed
  - Role: director
  source text: On October 16, 2023, the Board of Directors of Alphatec Holdings Inc. (the "Board") appointed Dave Demski to serve as a director of Alphatec Holdings, Inc. (the "Company") for a term commencing on October 17, 2023 and expiring at the Annual Meeting of Stockholders of the Company in 2024 and until his successor is duly elected and qualifies, unless he sooner dies, retires or resigns.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1350653/000095017023053803/0000950170-23-053803-index.htm

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