---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-021683"
form_type: "8-K"
ticker: "AMS"
cik: "0000744825"
company_name: "AMERICAN SHARED HOSPITAL SERVICES"
filed_at: "2022-09-01T23:59:59+00:00"
generated_at: "2026-06-23T18:07:55.281824+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# American Shared Hospital Services names Peter Gaccione as COO, effective Sept 7

## Summary
- Peter Gaccione appointed COO; replaces Craig Tagawa, who remains President and CFO.
- Gaccione brings 40+ years in radiation oncology; previously President at Myocardial Solutions and CEO of Elekta Inc.
- Base salary $275,000; eligible for bonus up to $40,000; receives 50,000-share option grant vesting over 5 years.
- Gaccione was CEO of Elekta Inc., which owns 19% of GK Financing, LLC; Company owns the remaining 81%.

## SEC filing metadata
- accession: 0001437749-22-021683
- form_type: 8-K
- ticker: AMS
- cik: 0000744825
- company_name: AMERICAN SHARED HOSPITAL SERVICES
- filed_at: 2022-09-01T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/744825/000143774922021683/0001437749-22-021683-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/744825/000143774922021683/asha20220831_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-021683
- JSON: https://secwatch.observer/filing/0001437749-22-021683.json
- Plain text: https://secwatch.observer/filing/0001437749-22-021683.txt

## Key facts
- Executive change
  Peter Gaccione was appointed as Chief Operating Officer at AMERICAN SHARED HOSPITAL SERVICES.
  - Action: appointed
  - Role: Chief Operating Officer
  source text: On August 26, 2022, American Shared Hospital Services (the “Company”) appointed Peter Gaccione as its Chief Operating Officer, effective September 7, 2022.
  evidence_url: https://www.sec.gov/Archives/edgar/data/744825/000143774922021683/0001437749-22-021683-index.htm
- Executive change
  Craig Tagawa changed role as Chief Operating Officer at AMERICAN SHARED HOSPITAL SERVICES.
  - Action: will no longer serve
  - Role: Chief Operating Officer
  source text: In connection with the commencement of Mr. Gaccione’s employment, effective September 7, 2022, Craig Tagawa will continue to serve as the Company’s President, Chief Financial Officer and Assistant Secretary and the Company’s Principal Accounting Officer, but will no longer serve as the Company’s Chief Operating Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/744825/000143774922021683/0001437749-22-021683-index.htm

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