{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-022212","form_type":"8-K","ticker":null,"cik":"0001831840","company_name":"SEMrush Holdings, Inc.","filed_at":"2025-05-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.011064+00:00","generated_at":"2026-05-22T18:43:10.559024+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Semrush appoints Caroline Tsay to Board of Directors, expanding to nine members","bullets":["Board size increased from 8 to 9; Caroline Tsay named Class III director effective May 1, 2025.","Tsay is an independent director and also serves on boards of Coca-Cola (KO) and Morningstar (MORN).","She is the former CEO and co-founder of Compute Software and held leadership roles at HPE, Yahoo!, and IBM.","Her compensation matches Semrush's standard non-employee director policy; indemnification agreement approved.","Appointment reflects board's focus on technology, product, and marketing expertise for continued growth."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-022212","json":"https://secwatch.observer/filing/0001628280-25-022212.json","markdown":"https://secwatch.observer/filing/0001628280-25-022212.md","text":"https://secwatch.observer/filing/0001628280-25-022212.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1831840/000162828025022212/0001628280-25-022212-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1831840/000162828025022212/semr-20250429.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-22T18:43:10.559024+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":"9cf7ae31e5","claim":"Caroline Tsay was appointed as Director (Class III) at SEMrush Holdings, Inc..","evidence_excerpt":"appointed Caroline Tsay to the newly created seat as a Class III director, effective May 1, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1831840/000162828025022212/0001628280-25-022212-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director (Class III)"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}