{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-23-035144","form_type":"8-K","ticker":"NSTS","cik":"0001881592","company_name":"NSTS Bancorp, Inc.","filed_at":"2023-12-21T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.272646+00:00","generated_at":"2026-06-07T09:27:34.897714+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"NSTS Bancorp board approves stock buyback of up to 265,763 shares (5% of outstanding)","bullets":["Board authorized repurchase of up to 265,763 shares, representing ~5% of outstanding common stock.","Program effective until December 31, 2024, unless terminated earlier.","Repurchases may be made in open market or private transactions, including under Rule 10b5-1 plans.","Company not obligated to buy any shares; program may be discontinued at any time."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-23-035144","json":"https://secwatch.observer/filing/0001437749-23-035144.json","markdown":"https://secwatch.observer/filing/0001437749-23-035144.md","text":"https://secwatch.observer/filing/0001437749-23-035144.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1881592/000143774923035144/0001437749-23-035144-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1881592/000143774923035144/nsts20231221_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T09:27:34.897714+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}