{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-288480","form_type":"8-K","ticker":"NEU","cik":"0001282637","company_name":"NEWMARKET CORP","filed_at":"2023-12-04T23:59:59+00:00","discovered_at":"2026-05-14T18:03:28.522657+00:00","generated_at":"2026-06-07T18:35:52.000352+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"NewMarket acquires AMPAC for ~$700M, expands into defense/space rocket motor additives","bullets":["Purchase price ~$700M; expected close Q1 2024; subject to HSR antitrust clearance.","AMPAC is leading North American manufacturer of solid rocket motor performance additives, qualified on NASA and DoD programs.","Financing via available cash and revolver; no shareholder vote required.","AMPAC has one facility in Cedar City, UT, ~150 employees; founded 1955.","Chairman/CEO Thomas Gottwald calls AMPAC a strategic national asset and a terrific fit with NewMarket's diversification criteria."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-288480","json":"https://secwatch.observer/filing/0001193125-23-288480.json","markdown":"https://secwatch.observer/filing/0001193125-23-288480.md","text":"https://secwatch.observer/filing/0001193125-23-288480.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1282637/000119312523288480/0001193125-23-288480-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1282637/000119312523288480/d569404d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T18:35:52.000352+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":"a8905d6b172d8f5f4e11058676b1b0544c1c92d4","claim":"NEWMARKET CORP entered into Securities Purchase Agreement with Coyote Ultimate Holdings, LLC valued at approximately $700 million (effective 2023-12-01).","evidence_excerpt":"On December 1, 2023, NewMarket Corporation, a Virginia corporation (the “Company”), entered into a Securities Purchase Agreement (the “Purchase Agreement”) with Coyote Ultimate Holdings, LLC, a Delaware limited liability company (“Coyote”), and AMPAC Intermediate Holdings, LLC, a Delaware limited liability company (“Holdings”), to acquire from Coyote all issued and outstanding ownership units of Holdings, the ultimate parent company of American Pacific Corporation (“AMPAC”), for approximately $700 million, subject to a purchase price adjustment for customary items, including working capital, cash, debt and transaction expenses (the “Acquisition”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1282637/000119312523288480/0001193125-23-288480-index.htm","confidence":0.95,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"asset purchase"},{"label":"Counterparty","value":"Coyote Ultimate Holdings, LLC"},{"label":"Value","value":"approximately $700 million"},{"label":"Effective","value":"2023-12-01"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}