{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-24-037397","form_type":"8-K","ticker":"NSA","cik":"0001618563","company_name":"National Storage Affiliates Trust","filed_at":"2024-08-15T23:59:59+00:00","discovered_at":"2026-05-14T18:03:13.813063+00:00","generated_at":"2026-05-31T09:01:23.104362+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"NSA director Mark Van Mourick resigns; Warren Allan elected to board and audit committee","bullets":["Van Mourick resigned Aug 15, 2024, effective immediately; no dispute with the company.","Board elected Warren Allan (66), former President of Optivest, to fill vacancy and serve on Audit Committee.","Allan received ~$2.9M cash and 209,333 OP units (~$8.4M value) from Optivest asset acquisition.","Supervisory & admin fees paid to Optivest: $4.8M (2023), $2.7M (Jan-Jul 2024); expense reimbursements $7.2M and $4.3M.","Allan's share of those fees: ~$1.7M (2023) and ~$1.0M (2024); expense reimbursements $2.5M and $1.5M."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-24-037397","json":"https://secwatch.observer/filing/0001628280-24-037397.json","markdown":"https://secwatch.observer/filing/0001628280-24-037397.md","text":"https://secwatch.observer/filing/0001628280-24-037397.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1618563/000162828024037397/0001628280-24-037397-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1618563/000162828024037397/nsa-20240815.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T09:01:23.104362+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":"70fbd88f66","claim":"Mark Van Mourick departed as member of the Board of Trustees at National Storage Affiliates Trust.","evidence_excerpt":"On August 15, 2024, Mark Van Mourick, a member of the Board of Trustees (the “Board”) of National Storage Affiliates Trust (the “Company”) informed the Board that he is resigning from the Board effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1618563/000162828024037397/0001628280-24-037397-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigning"},{"label":"Role","value":"member of the Board of Trustees"}],"fact_type":"executive_change"},{"claim_id":"b2d9d3e819","claim":"Warren Allan was elected as member of the Board of Trustees at National Storage Affiliates Trust.","evidence_excerpt":"the Board, upon recommendation of the Compensation, Nominating and Corporate Governance Committee of the Board (the “CNCG Committee”), elected Warren Allan, 66, to serve as a member of the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1618563/000162828024037397/0001628280-24-037397-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"member of the Board of Trustees"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}