{"schema_version":"secwatch.filing_event.v1","accession":"0001175535-22-000030","form_type":"8-K","ticker":"WSR","cik":"0001175535","company_name":"Whitestone REIT","filed_at":"2022-02-14T23:59:59+00:00","discovered_at":"2026-05-14T18:04:05.586682+00:00","generated_at":"2026-06-27T08:18:24.603193+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Whitestone REIT appoints Christine Mastandrea as COO; COO Dee and EVP Johnson depart","bullets":["Christine Mastandrea promoted from EVP of Corporate Strategy to COO, effective Feb 9, 2022.","John Dee (COO) and Bradford Johnson (EVP Acquisitions) left the company effective Feb 9, 2022.","Peter Tropoli appointed Corporate Secretary in addition to General Counsel; Michelle Siv promoted to VP HR.","David Mordy hired as Director of IR effective Feb 14; Michael Ly hired as Controller effective Feb 21.","Compensation terms for new roles not yet determined; will amend 8-K within 4 business days."],"urls":{"canonical":"https://secwatch.observer/filing/0001175535-22-000030","json":"https://secwatch.observer/filing/0001175535-22-000030.json","markdown":"https://secwatch.observer/filing/0001175535-22-000030.md","text":"https://secwatch.observer/filing/0001175535-22-000030.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1175535/000117553522000030/0001175535-22-000030-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1175535/000117553522000030/wsr-20220209.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T08:18:24.603193+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"0e0f7a149a","claim":"Bradford Johnson departed as Executive Vice President of Acquisitions and Asset Management at Whitestone REIT.","evidence_excerpt":"Bradford Johnson’s employment with Whitestone REIT (the \"Company\") ended effective February 9, 2022 (the “Termination Date”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1175535/000117553522000030/0001175535-22-000030-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"employment ended"},{"label":"Role","value":"Executive Vice President of Acquisitions and Asset Management"}],"fact_type":"executive_change"},{"claim_id":"418b8f64fb","claim":"Peter Tropoli was appointed as Corporate Secretary at Whitestone REIT.","evidence_excerpt":"On February 9, 2022, Peter Tropoli, the current General Counsel of the Company, was appointed as the Company’s Corporate Secretary, in addition to his duties as General Counsel.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1175535/000117553522000030/0001175535-22-000030-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Corporate Secretary"}],"fact_type":"executive_change"},{"claim_id":"4d7c5d6269","claim":"Christine Mastandrea was appointed as Chief Operating Officer at Whitestone REIT.","evidence_excerpt":"On February 9, 2022, Christine Mastandrea, the current Executive Vice President of Corporate Strategy of the Company, was appointed as the Company’s Chief Operating Officer.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1175535/000117553522000030/0001175535-22-000030-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"},{"claim_id":"dc8bc81294","claim":"Michelle Siv was appointed as Vice President of Human Resources at Whitestone REIT.","evidence_excerpt":"On February 9, 2022, Michelle Siv, the current Director of Human Resources, was appointed as the Company’s Vice President of Human Resources.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1175535/000117553522000030/0001175535-22-000030-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Vice President of Human Resources"}],"fact_type":"executive_change"},{"claim_id":"f4aee1fb99","claim":"John Dee departed as Chief Operating Officer at Whitestone REIT.","evidence_excerpt":"John Dee’s employment with Whitestone REIT (the \"Company\") ended effective February 9, 2022 (the “Termination Date”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1175535/000117553522000030/0001175535-22-000030-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"employment ended"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}