---
schema_version: "secwatch.filing_event.v1"
accession: "0001175535-22-000069"
form_type: "8-K"
ticker: "WSR"
cik: "0001175535"
company_name: "Whitestone REIT"
filed_at: "2022-04-22T23:59:59+00:00"
generated_at: "2026-06-26T05:16:52.214668+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Whitestone REIT board member Mastandrea resigns over policy disagreements

## Summary
- James Mastandrea resigned from the Board effective April 18, 2022; he was terminated as CEO with cause on Jan 18, 2022.
- Resignation cited disagreement over operations, policies, governance, and practices of the Company.
- Company asserts the resignation letter's allegations are inaccurate and without merit.
- Board size reduced from six to five trustees following Mastandrea's resignation.

## SEC filing metadata
- accession: 0001175535-22-000069
- form_type: 8-K
- ticker: WSR
- cik: 0001175535
- company_name: Whitestone REIT
- filed_at: 2022-04-22T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1175535/000117553522000069/0001175535-22-000069-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1175535/000117553522000069/wsr-20220418.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001175535-22-000069
- JSON: https://secwatch.observer/filing/0001175535-22-000069.json
- Plain text: https://secwatch.observer/filing/0001175535-22-000069.txt

## Key facts
- Executive change
  James Mastandrea resigned as Member of the Board of Trustees at Whitestone REIT.
  - Action: resigned
  - Role: Member of the Board of Trustees
  source text: On April 18, 2022, Whitestone REIT (the “Company”) received by email a resignation letter (the “Resignation Letter”) from James Mastandrea, a member of the Company’s Board of Trustees (“the Board”), pursuant to which Mr. Mastandrea resigned as a member of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1175535/000117553522000069/0001175535-22-000069-index.htm

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