{"schema_version":"secwatch.filing_event.v1","accession":"0000866291-21-000034","form_type":"8-K/A","ticker":"ALGM","cik":"0000866291","company_name":"ALLEGRO MICROSYSTEMS, INC.","filed_at":"2021-07-21T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.989563+00:00","generated_at":"2026-06-30T03:55:56.713576+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.15,"calibrated_materiality_score":0.15,"confidence":"high","headline":"Allegro MicroSystems corrects director appointment date in 8-K/A","bullets":["Correction of typographical error in appointment date of David Aldrich as director; original 8-K filed May 27, 2021.","Aldrich elected to Board and Audit Committee on May 25, 2021, as Class II director until 2022 annual meeting.","Board size increased from 10 to 11; Aldrich deemed independent and audit committee financial expert.","Aldrich receives standard independent director fees, pro-rated annual cash and restricted stock award."],"urls":{"canonical":"https://secwatch.observer/filing/0000866291-21-000034","json":"https://secwatch.observer/filing/0000866291-21-000034.json","markdown":"https://secwatch.observer/filing/0000866291-21-000034.md","text":"https://secwatch.observer/filing/0000866291-21-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/866291/000086629121000034/0000866291-21-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/866291/000086629121000034/algm-20210525.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-30T03:55:56.713576+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":"f6eaee093b","claim":"David Aldrich was elected as Director at ALLEGRO MICROSYSTEMS, INC..","evidence_excerpt":"the Board increased its size from ten to eleven directors and elected David Aldrich to the Board and the Audit Committee, as a Class II Director, to serve until the Company’s 2022 annual meeting of stockholders and until his successor is duly elected and qualified.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/866291/000086629121000034/0000866291-21-000034-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"elected"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}