{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-23-008754","form_type":"8-K","ticker":"NSA","cik":"0001618563","company_name":"National Storage Affiliates Trust","filed_at":"2023-03-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:45.845695+00:00","generated_at":"2026-06-17T22:15:46.591397+00:00","sec_items":["3.02","3.03","5.03","8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"National Storage Affiliates acquires 15 Florida properties for $144M, issues Series B Preferred Shares","bullets":["Acquired 15 self-storage properties in Florida from Personal Mini Storage affiliates for ~$144M.","Issued 5,668,128 Series B 6% Cumulative Redeemable Preferred Shares ($25 liquidation preference) to sellers.","Series B Preferred rank senior to common, 6% dividend ($1.50/yr), quarterly starting June 30, 2023.","Registration rights agreement requires filing resale registration statement within 180 days.","Partnership unit amendment creates Series B Preferred OP Units mirroring preferred shares."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-23-008754","json":"https://secwatch.observer/filing/0001628280-23-008754.json","markdown":"https://secwatch.observer/filing/0001628280-23-008754.md","text":"https://secwatch.observer/filing/0001628280-23-008754.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1618563/000162828023008754/0001628280-23-008754-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1618563/000162828023008754/nsa-20230315.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T22:15:46.591397+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":"49013d71ed62d7db1b695329ef13a06c67b9660d","claim":"National Storage Affiliates Trust: Filed Articles Supplementary to the Articles of Amendment and Restatement, classifying and designating 7,000,000 Series B Preferred Shares (effective 2023-03-15).","evidence_excerpt":"On March 15, 2023, the Company filed with the State Department of Assessments and Taxation of the State of Maryland Articles Supplementary (the “Articles Supplementary”) to the Company’s Articles of Amendment and Restatement, classifying and designating 7,000,000 of the Company’s authorized but unissued preferred shares of beneficial interest as Series B Preferred Shares.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1618563/000162828023008754/0001628280-23-008754-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-03-15"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}