{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-143662","form_type":"8-K","ticker":"TER","cik":"0000097210","company_name":"TERADYNE, INC","filed_at":"2025-06-20T23:59:59+00:00","discovered_at":"2026-05-14T18:02:51.929025+00:00","generated_at":"2026-05-19T02:26:28.757191+00:00","sec_items":["3.03","5.03","8.01","9.01"],"event_type":"other","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Teradyne amends bylaws, adjusts shareholder nomination and proposal deadlines","bullets":["Director nomination and proposal notice window changed to 90-120 days before annual meeting (previously 60-90 days).","For 2026 annual meeting, notice must be delivered between Jan 9, 2026 and Feb 8, 2026.","Updates to procedural, notice and information requirements for nominations, proposals, and proxy access.","Clarifies plurality voting standard for contested elections and chairperson's meeting authority.","Other administrative and conforming changes effective June 20, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-143662","json":"https://secwatch.observer/filing/0001193125-25-143662.json","markdown":"https://secwatch.observer/filing/0001193125-25-143662.md","text":"https://secwatch.observer/filing/0001193125-25-143662.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/97210/000119312525143662/0001193125-25-143662-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/97210/000119312525143662/d32721d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T02:26:28.757191+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":"ec0750d52820ddce743dfc744614148b865c5851","claim":"TERADYNE, INC: On June 20, 2025, the Board of Directors amended and restated the By-Laws, adjusting director nomination and shareholder proposal notice windows, updating procedural and information requirements for nominations and proposals, clarifying plurality voting standard in contested elections, and clarifyin (effective 2025-06-20).","evidence_excerpt":"In connection with its periodic review of the Amended and Restated By-Laws (the “ By-Laws ”) of Teradyne, Inc. (the “ Company ”), on June 20, 2025, the Board of Directors of the Company amended and restated the By-Laws effective immediately.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/97210/000119312525143662/0001193125-25-143662-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"bylaw amendment"},{"label":"Effective","value":"2025-06-20"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}