{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-22-002734","form_type":"8-K","ticker":"DWSN","cik":"0000799165","company_name":"DAWSON GEOPHYSICAL CO","filed_at":"2022-01-10T23:59:59+00:00","discovered_at":"2026-05-14T18:04:09.811577+00:00","generated_at":"2026-06-27T19:41:18.565396+00:00","sec_items":["1.01","5.02","9.01"],"event_type":"m_and_a","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Dawson Geophysical amends merger deal: tender threshold lowered to 66.67%, offer extended to Jan 14","bullets":["Minimum tender condition reduced from 80% to 66.67% of outstanding shares to close the offer.","Offer extended to expire at 5:00 p.m. NY time on January 14, 2022.","Upon acceptance, directors Jumper, Cooper, Klofas resign; Matt Wilks, Krylov, Bradley appointed, Wilks as Chairman.","CEO Jumper waives right to resign for Good Reason solely due to board resignation; employment agreement unchanged."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-22-002734","json":"https://secwatch.observer/filing/0001104659-22-002734.json","markdown":"https://secwatch.observer/filing/0001104659-22-002734.md","text":"https://secwatch.observer/filing/0001104659-22-002734.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/799165/000110465922002734/0001104659-22-002734-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/799165/000110465922002734/tm222433d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T19:41:18.565396+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":"bc05fa51f3","claim":"Jumper resigned as Chairman of the Board at DAWSON GEOPHYSICAL CO.","evidence_excerpt":"Mr. Jumper’s resignation as a member and Chairman of the Board is conditioned on the tender offer Acceptance Time occurring.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/799165/000110465922002734/0001104659-22-002734-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chairman of the Board"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}