{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-25-027836","form_type":"8-K","ticker":"ULBI","cik":"0000875657","company_name":"ULTRALIFE CORP","filed_at":"2025-08-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:46.542362+00:00","generated_at":"2026-05-17T09:52:01.883048+00:00","sec_items":["4.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Ultralife replaces auditor Freed Maxick with Withum Smith+Brown effective immediately","bullets":["Auditor change due to acquisition of certain assets of Freed Maxick by Withum Smith+Brown.","Prior auditor's reports for FY2023 and FY2024 had no adverse opinions or qualifications.","FY2024 internal control opinion did note a material weakness in internal control over financial reporting.","No disagreements or reportable events with Freed Maxick during the relevant periods.","Audit committee engaged Withum as the new independent auditor for FY2025 effective August 22, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-25-027836","json":"https://secwatch.observer/filing/0001437749-25-027836.json","markdown":"https://secwatch.observer/filing/0001437749-25-027836.md","text":"https://secwatch.observer/filing/0001437749-25-027836.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/875657/000143774925027836/0001437749-25-027836-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/875657/000143774925027836/ulbi20250825_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T09:52:01.883048+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":"91c404fd17e5c6f9d5a457cd845ae41e8694a68a","claim":"ULTRALIFE CORP engaged Withum Smith+Brown, PC as its auditor.","evidence_excerpt":"In connection with the Replacement, on August 22, 2025, the Committee approved the engagement of Withum as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2025, effective immediately.","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/875657/000143774925027836/0001437749-25-027836-index.htm","confidence":0.95,"family_label":"Auditor Changes","details":[{"label":"Action","value":"engagement"},{"label":"Auditor","value":"Withum Smith+Brown, PC"}],"fact_type":"auditor_change"},{"claim_id":"c14a81df478d9baadc9f4258339b99dc1402562e","claim":"ULTRALIFE CORP dismissed Freed Maxick P.C. as its auditor.","evidence_excerpt":"On August 22, 2025, the Audit and Finance Committee (the “ Committee ”) of the Board of Directors (the “ Board ”) of Ultralife Corporation, Inc. (the “ Company ”) approved the replacement of Freed Maxick P.C. (“ FM ”) as the Company’s independent registered public accounting firm, due to the acquisition of certain assets of FM by Withum Smith+Brown, PC (“ Withum ”), effective immediately, and informed FM of such replacement on the date thereof (the “ Replacement ”).","evidence_source":"SEC 8-K Item 4.01/4.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/875657/000143774925027836/0001437749-25-027836-index.htm","confidence":0.95,"family_label":"Auditor Changes","details":[{"label":"Action","value":"dismissal"},{"label":"Auditor","value":"Freed Maxick P.C."},{"label":"Successor","value":"Withum Smith+Brown, PC"}],"fact_type":"auditor_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}