---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-006109"
form_type: "8-K"
ticker: "AMS"
cik: "0000744825"
company_name: "AMERICAN SHARED HOSPITAL SERVICES"
filed_at: "2023-03-10T23:59:59+00:00"
generated_at: "2026-06-18T06:04:37.329768+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# AMS realigns management: Stachowiak to Executive Chairman, Gaccione CEO; $1.3M order booked

## Summary
- Raymond Stachowiak becomes Executive Chairman; Peter Gaccione appointed CEO, effective March 7, 2023.
- Search underway for new CFO; Craig Tagawa remains President and CFO until successor is found.
- AMS booked $1.3M first order of 2023, expected to ship in Q2, strengthening Elekta relationship.
- Gaccione brings 40+ years in radiation oncology, including 23 years at Elekta AB, an AMS partner.

## SEC filing metadata
- accession: 0001437749-23-006109
- form_type: 8-K
- ticker: AMS
- cik: 0000744825
- company_name: AMERICAN SHARED HOSPITAL SERVICES
- filed_at: 2023-03-10T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/744825/000143774923006109/0001437749-23-006109-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/744825/000143774923006109/asha20230309b_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-006109
- JSON: https://secwatch.observer/filing/0001437749-23-006109.json
- Plain text: https://secwatch.observer/filing/0001437749-23-006109.txt

## Key facts
- Executive change
  Peter Gaccione was appointed as Chief Executive Officer at AMERICAN SHARED HOSPITAL SERVICES.
  - Action: appointed
  - Role: Chief Executive Officer
  source text: Peter Gaccione, who previously served as the Chief Operating Officer of the Company, was appointed as the Company’s Chief Executive Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/744825/000143774923006109/0001437749-23-006109-index.htm
- Executive change
  Raymond Stachowiak was appointed as Executive Chairman at AMERICAN SHARED HOSPITAL SERVICES.
  - Action: appointed
  - Role: Executive Chairman
  source text: Pursuant to the reorganization, Raymond Stachowiak, who previously served as the Chief Executive Officer of the Company, was appointed as Executive Chairman of the Board.
  evidence_url: https://www.sec.gov/Archives/edgar/data/744825/000143774923006109/0001437749-23-006109-index.htm

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