{"schema_version":"secwatch.filing_event.v1","accession":"0000350894-23-000083","form_type":"8-K","ticker":"SEIC","cik":"0000350894","company_name":"SEI INVESTMENTS CO","filed_at":"2023-10-25T23:59:59+00:00","discovered_at":"2026-05-14T18:03:31.651389+00:00","generated_at":"2026-06-09T11:57:40.507459+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"SEI Investments appoints Stephanie D. Miller to Board, effective Oct. 24, 2023","bullets":["Miller fills vacancy from Sarah Blumenstein not standing for re-election at 2023 Annual Meeting.","Serves on Audit and Legal & Regulatory Oversight Committees; term expires at 2024 Annual Meeting.","Granted options to purchase 7,500 shares at $54.51; vesting tied to adjusted EPS thresholds of $5.00 and $6.25.","Granted 766 RSUs vesting on October 24, 2026, subject to continued board service."],"urls":{"canonical":"https://secwatch.observer/filing/0000350894-23-000083","json":"https://secwatch.observer/filing/0000350894-23-000083.json","markdown":"https://secwatch.observer/filing/0000350894-23-000083.md","text":"https://secwatch.observer/filing/0000350894-23-000083.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/350894/000035089423000083/0000350894-23-000083-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/350894/000035089423000083/seic-20231024.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T11:57:40.507459+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":"d25f35aa57","claim":"Sarah W. Blumenstein departed as Director at SEI INVESTMENTS CO.","evidence_excerpt":"thereby filling the vacancy on the Board that resulted from Sarah W. Blumenstein not standing for re-election at the 2023 Annual Meeting of the Company’s Shareholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/350894/000035089423000083/0000350894-23-000083-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"not standing for re-election"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"d7f416b3f6","claim":"Stephanie D. Miller was appointed as Director at SEI INVESTMENTS CO.","evidence_excerpt":"On October 24, 2023, the Company’s Board of Directors (the “Board) appointed Stephanie D. Miller to the Board, effective immediately, thereby filling the vacancy on the Board that resulted from Sarah W. Blumenstein not standing for re-election at the 2023 Annual Meeting of the Company’s Shareholders.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/350894/000035089423000083/0000350894-23-000083-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"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"}