---
schema_version: "secwatch.filing_event.v1"
accession: "0001558370-22-000861"
form_type: "8-K"
ticker: "GKOS"
cik: "0001192448"
company_name: "GLAUKOS Corp"
filed_at: "2022-02-07T23:59:59+00:00"
generated_at: "2026-06-27T10:31:18.996352+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Glaukos names Joseph Gilliam President/COO, Alex Thurman CFO effective April 1

## Summary
- Joseph Gilliam appointed President and COO effective April 1, 2022; he was previously CFO.
- Alex Thurman promoted to SVP, Chief Financial Officer effective April 1, 2022.
- Chris Calcaterra transitions from COO to EVP, Global Commercial Operations on April 1.
- Tomas Navratil named Chief Development Officer, adding R&D, clinical, and regulatory oversight.
- Gilliam gets $505K base, 70% bonus target, $3M equity; Thurman gets $365K base, 50% bonus.

## SEC filing metadata
- accession: 0001558370-22-000861
- form_type: 8-K
- ticker: GKOS
- cik: 0001192448
- company_name: GLAUKOS Corp
- filed_at: 2022-02-07T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- 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/1192448/000155837022000861/0001558370-22-000861-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1192448/000155837022000861/gkos-20220204x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001558370-22-000861
- JSON: https://secwatch.observer/filing/0001558370-22-000861.json
- Plain text: https://secwatch.observer/filing/0001558370-22-000861.txt

## Key facts
- Executive change
  Chris M. Calcaterra changed role as EVP, Global Commercial Operations at GLAUKOS Corp.
  - Action: transition
  - Role: EVP, Global Commercial Operations
  source text: Chris M. Calcaterra will step down from his role as the Company’s Chief Operating Officer and will transition to the position of EVP, Global Commercial Operations, effective April 1, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1192448/000155837022000861/0001558370-22-000861-index.htm
- Executive change
  Joseph E. Gilliam was appointed as President and Chief Operating Officer at GLAUKOS Corp.
  - Action: appointed
  - Role: President and Chief Operating Officer
  source text: Joseph E. Gilliam, the Company’s current Chief Financial Officer and Senior Vice President, Corporate Development, has been appointed as the Company’s President and Chief Operating Officer, which appointment will take effect on April 1, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1192448/000155837022000861/0001558370-22-000861-index.htm
- Executive change
  Alex R. Thurman was appointed as Senior Vice President, Chief Financial Officer at GLAUKOS Corp.
  - Action: appointed
  - Role: Senior Vice President, Chief Financial Officer
  source text: Alex R. Thurman, the Company’s current Vice President, Finance, has been appointed as the Company’s Senior Vice President, Chief Financial Officer, which appointment will take effect on April 1, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1192448/000155837022000861/0001558370-22-000861-index.htm

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