---
schema_version: "secwatch.filing_event.v1"
accession: "0001799191-23-000044"
form_type: "8-K"
ticker: "TOI"
cik: "0001799191"
company_name: "Oncology Institute, Inc."
filed_at: "2023-09-06T23:59:59+00:00"
generated_at: "2026-06-10T23:32:43.885986+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# The Oncology Institute appoints Jeremy Castle as COO with $375K base salary

## Summary
- Jeremy N. Castle appointed COO effective September 5, 2023, replacing Matthew Miller, MD who departed June 16, 2023.
- Castle previously served as VP of Operations at OneOncology (Jan 2022-Aug 2023); over 15 years in healthcare operations.
- Base salary $375,000; target annual bonus 40% of base; $50,000 signing/relocation bonus.
- Employment agreement has three-year initial term; severance of three months salary/COBRA if terminated without cause or for good reason.
- No family relationships with directors/officers; no related party transactions required to be disclosed.

## SEC filing metadata
- accession: 0001799191-23-000044
- form_type: 8-K
- ticker: TOI
- cik: 0001799191
- company_name: Oncology Institute, Inc.
- filed_at: 2023-09-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1799191/000179919123000044/0001799191-23-000044-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1799191/000179919123000044/toi-20230906.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001799191-23-000044
- JSON: https://secwatch.observer/filing/0001799191-23-000044.json
- Plain text: https://secwatch.observer/filing/0001799191-23-000044.txt

## Key facts
- Executive change
  Jeremy N. Castle was appointed as Chief Operations Officer at Oncology Institute, Inc..
  - Action: appointed
  - Role: Chief Operations Officer
  source text: On September 5, 2023, The Oncology Institute, Inc., a Delaware corporation (the “Company”), appointed Jeremy N. Castle to replace Matthew Miller, MD as the Company’s Chief Operations Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1799191/000179919123000044/0001799191-23-000044-index.htm
- Executive change
  Matthew Miller, MD departed as Chief Operations Officer at Oncology Institute, Inc..
  - Action: separated
  - Role: Chief Operations Officer
  source text: Dr. Miller’s separation from the Company was effective June 16, 2023, as previously disclosed in that certain Current Report on Form 8-K filed with the Securities and Exchange Commission on May 22, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1799191/000179919123000044/0001799191-23-000044-index.htm

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