{"schema_version":"secwatch.filing_event.v1","accession":"0000072162-22-000015","form_type":"8-K","ticker":"NL","cik":"0000072162","company_name":"NL INDUSTRIES INC","filed_at":"2022-12-16T23:59:59+00:00","discovered_at":"2026-05-14T18:03:53.358148+00:00","generated_at":"2026-06-21T03:47:42.675847+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"NL Industries announces retirement of Vice Chairman Graham and election of Simmons; director Gouveia resigns","bullets":["Robert D. Graham retires as director and vice chairman of NL and affiliates (Valhi, Kronos, CompX) effective Dec 31, 2022; continues at Contran.","Michael S. Simmons elected director and vice chairman of NL effective Jan 1, 2023; currently NL executive VP.","Simmons also becomes vice chairman of Valhi, Kronos, CompX and CEO of Contran effective Jan 1, 2023.","R. Colin Gouveia resigns from NL board effective Dec 13, 2022; no disagreement; to become Rogers Corp CEO."],"urls":{"canonical":"https://secwatch.observer/filing/0000072162-22-000015","json":"https://secwatch.observer/filing/0000072162-22-000015.json","markdown":"https://secwatch.observer/filing/0000072162-22-000015.md","text":"https://secwatch.observer/filing/0000072162-22-000015.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/72162/000007216222000015/0000072162-22-000015-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/72162/000007216222000015/nl-20221212x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T03:47:42.675847+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":"649182e416","claim":"Robert D. Graham retired as vice chairman of the board at NL INDUSTRIES INC.","evidence_excerpt":"On December 12, 2022, Robert D. Graham, vice chairman of the board of the registrant, provided notice to the registrant of his retirement, effective as of December 31, 2022, as a director and vice chairman of the board of the registrant.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/72162/000007216222000015/0000072162-22-000015-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"vice chairman of the board"}],"fact_type":"executive_change"},{"claim_id":"cd9b2dfc28","claim":"Michael S. Simmons was appointed as vice chairman of the board at NL INDUSTRIES INC.","evidence_excerpt":"the registrant's board of directors took action to elect Michael S. Simmons as a director and vice chairman of the board of the registrant, effective as of January 1, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/72162/000007216222000015/0000072162-22-000015-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"vice chairman of the board"}],"fact_type":"executive_change"},{"claim_id":"d8db4793e6","claim":"R. Colin Gouveia resigned as member of the board of directors at NL INDUSTRIES INC.","evidence_excerpt":"on December 13, 2022, R. Colin Gouveia resigned as a member of the board of directors of the registrant.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/72162/000007216222000015/0000072162-22-000015-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"member of the board of directors"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}