{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-238589","form_type":"8-K","ticker":"SMTC","cik":"0000088941","company_name":"SEMTECH CORP","filed_at":"2023-09-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.896486+00:00","generated_at":"2026-06-10T12:49:40.976982+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Semtech sets October 2, 2023 as effective date for new CFO Mark Lin","bullets":["Mark Lin appointed EVP and CFO of Semtech effective October 2, 2023.","Transition date finalized after previously disclosed September 8, 2023 8-K.","Lin will succeed current CFO Emeka N. Chukwu, who signed this filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-238589","json":"https://secwatch.observer/filing/0001193125-23-238589.json","markdown":"https://secwatch.observer/filing/0001193125-23-238589.md","text":"https://secwatch.observer/filing/0001193125-23-238589.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/88941/000119312523238589/0001193125-23-238589-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/88941/000119312523238589/d523161d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T12:49:40.976982+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":"449a7e6c20","claim":"Mark Lin was appointed as Executive Vice President and Chief Financial Officer at SEMTECH CORP.","evidence_excerpt":"As previously disclosed on a Current Report on Form 8-K filed by Semtech Corporation, a Delaware corporation (“Semtech” or “Company”), on September 8, 2023, Semtech appointed Mark Lin to serve as the Company’s Executive Vice President and Chief Financial Officer effective as of a date, not later than October 4, 2023, to be determined by Mr. Lin and the Company’s Chief Executive Officer (the “Transition Date”). Semtech and Mr. Lin have determined that the Transition Date will be October 2, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/88941/000119312523238589/0001193125-23-238589-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Vice President and Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}