---
schema_version: "secwatch.filing_event.v1"
accession: "0001632970-21-000095"
form_type: "8-K"
ticker: "AHR"
cik: "0001632970"
company_name: "American Healthcare REIT, Inc."
filed_at: "2021-10-01T23:59:59+00:00"
generated_at: "2026-06-28T23:57:33.743227+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# American Healthcare REIT completes merger with GAHR III; Hanson named Executive Chairman, Prosky CEO

## Summary
- Merger of GAHR III into American Healthcare REIT closed Oct 1; GAHR III shareholders received 0.9266 shs per share.
- Hanson named Exec Chairman; Prosky appointed CEO; Streiff promoted to COO; Willhite becomes EVP & General Counsel.
- Board expanded to nine; added three independent directors from GAHR III: Harold Greene, J. Grayson Sanders, Gerald Robinson.
- Stockholders approved merger, charter amendment, director elections at Sept 30 annual meeting.
- Director Richard S. Welch resigned effective Oct 1; no disagreement with the Company.

## SEC filing metadata
- accession: 0001632970-21-000095
- form_type: 8-K
- ticker: AHR
- cik: 0001632970
- company_name: American Healthcare REIT, Inc.
- filed_at: 2021-10-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.01, 5.02, 5.03, 5.07, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1632970/000163297021000095/0001632970-21-000095-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1632970/000163297021000095/gahr-20210930.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001632970-21-000095
- JSON: https://secwatch.observer/filing/0001632970-21-000095.json
- Plain text: https://secwatch.observer/filing/0001632970-21-000095.txt

## Key facts
- Executive change
  Gabriel M. Willhite was appointed as Executive Vice President, General Counsel at American Healthcare REIT, Inc..
  - Action: appointed
  - Role: Executive Vice President, General Counsel
  source text: Also effective October 1, 2021, Gabriel M. Willhite was appointed Executive Vice President, General Counsel of the Company, filling the vacancy created by Mr. Streiff’s resignation from such position.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1632970/000163297021000095/0001632970-21-000095-index.htm
- Executive change
  Mathieu B. Streiff was appointed as Chief Operating Officer at American Healthcare REIT, Inc..
  - Action: appointed
  - Role: Chief Operating Officer
  source text: Also effective October 1, 2021, Gabriel M. Willhite was appointed Executive Vice President, General Counsel of the Company, filling the vacancy created by Mr. Streiff’s resignation from such position.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1632970/000163297021000095/0001632970-21-000095-index.htm
- Executive change
  Jeffrey T. Hanson was appointed as Executive Chairman at American Healthcare REIT, Inc..
  - Action: appointed
  - Role: Executive Chairman
  source text: Effective October 1, 2021, Jeffrey T. Hanson was appointed Executive Chairman of the Board of Directors of the Company and thereby will no longer serve as Chief Executive Officer of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1632970/000163297021000095/0001632970-21-000095-index.htm
- Executive change
  Danny Prosky was appointed as Chief Executive Officer at American Healthcare REIT, Inc..
  - Action: appointed
  - Role: Chief Executive Officer
  source text: In addition, effective October 1, 2021, Danny Prosky was appointed Chief Executive Officer of the Company and thereby will no longer serve as Chief Operating Officer of the Company but will continue in the role of President, and Mathieu B. Streiff was appointed Chief Operating Officer of the Company and thereby will no longer serve as Executive Vice President, General Counsel of the Company.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1632970/000163297021000095/0001632970-21-000095-index.htm

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