{"schema_version":"secwatch.filing_event.v1","accession":"0001564590-23-004277","form_type":"8-K","ticker":"ACHV","cik":"0000949858","company_name":"ACHIEVE LIFE SCIENCES, INC.","filed_at":"2023-03-23T23:59:59+00:00","discovered_at":"2026-05-14T18:03:48.689139+00:00","generated_at":"2026-06-17T20:43:10.946556+00:00","sec_items":["1.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Achieve Life Sciences to appoint three new board directors by April 3 under amended pact with Dialectic","bullets":["Amendment to March 1 Cooperation Agreement requires three new Board appointments by April 3, 2023.","Board may expand to up to 11 directors to fill vacancies via incumbent departures or size increase.","New directors will be nominated for election at the 2023 Annual Meeting.","Dialectic Capital Management and affiliates, including John Fichthorn, are parties to the amendment."],"urls":{"canonical":"https://secwatch.observer/filing/0001564590-23-004277","json":"https://secwatch.observer/filing/0001564590-23-004277.json","markdown":"https://secwatch.observer/filing/0001564590-23-004277.md","text":"https://secwatch.observer/filing/0001564590-23-004277.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/949858/000156459023004277/0001564590-23-004277-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/949858/000156459023004277/achv-8k_20230321.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T20:43:10.946556+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":"5b716a5c58612d6b3a2388d4dd0a22e1729a6a36","claim":"ACHIEVE LIFE SCIENCES, INC. amended Amendment to Cooperation Agreement with Dialectic Capital Management, LP and related entities (effective 2023-03-21).","evidence_excerpt":"On March 21, 2023, Achieve Life Sciences, Inc. (the “Company”) entered into an amendment (the “Amendment”) to its Cooperation Agreement (the “Cooperation Agreement”) with Dialectic Capital Management, LP (“Dialectic”) and related entities (collectively with Dialectic, the “Stockholders”) regarding certain changes to the composition of the Company’s board of directors (the “Board”) and other related matters.","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/949858/000156459023004277/0001564590-23-004277-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"amendment"},{"label":"Counterparty","value":"Dialectic Capital Management, LP and related entities"},{"label":"Effective","value":"2023-03-21"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}