{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-231568","form_type":"8-K","ticker":"SMTC","cik":"0000088941","company_name":"SEMTECH CORP","filed_at":"2023-09-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.895836+00:00","generated_at":"2026-06-10T22:28:05.130526+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"confidence":"high","headline":"Semtech appoints Mark Lin as CFO; base salary $420k, $1.9M equity; CLO Ammann to separate Sep 25","bullets":["Mark Lin appointed EVP and CFO, effective no later than Oct 4, 2023, succeeding Emeka Chukwu.","Lin receives annual base salary of $420,000, target bonus 75% of base, and $1.9M stock unit award (50% RSUs, 50% PSUs).","Lin gets $200,000 signing bonus (vests over 2 years) and severance terms including 1x salary (2x in change of control).","Charles Ammann, EVP, Chief Legal Officer, to separate Sep 25; severance $410k cash, COBRA 12 months, RSU vesting through Mar 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-231568","json":"https://secwatch.observer/filing/0001193125-23-231568.json","markdown":"https://secwatch.observer/filing/0001193125-23-231568.md","text":"https://secwatch.observer/filing/0001193125-23-231568.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/88941/000119312523231568/0001193125-23-231568-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/88941/000119312523231568/d485280d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T22:28:05.130526+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":"4c57002a84","claim":"Mark Lin was appointed as Executive Vice President and Chief Financial Officer at SEMTECH CORP.","evidence_excerpt":"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","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/88941/000119312523231568/0001193125-23-231568-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"},{"claim_id":"72bec058c7","claim":"Emeka Chukwu departed as Executive Vice President and Chief Financial Officer at SEMTECH CORP.","evidence_excerpt":"Emeka Chukwu, the Company’s current Executive Vice President and Chief Financial Officer, will continue to serve as Semtech’s Executive Vice President and Chief Financial Officer until the Transition Date.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/88941/000119312523231568/0001193125-23-231568-index.htm","confidence":0.8,"family_label":"Executive change","details":[{"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"}