{"id":"clm_0F58C35F5FBD","entity":"semrush","predicate":"headquarters","value":"Boston","value_json":{"item":"Q100","note":"Principal executive offices in Boston (10-K); undated: no reliable page dates the move from Pennsylvania.","rank":"normal","check":{"by":"research, quote read on the page","on":"2026-10-30","url":"https://www.sec.gov/Archives/edgar/data/1831840/000162828026013259/semr-20251231.htm","outcome":"checked","quote_withheld":"phone number"},"undated":true,"wikidata":"Q48818116","demoted_on":"2026-10-28","redated_from":"clm_424E8E3D6CB8","demoted_reason":"wikidata is an index, not a source: valid needs a primary source or two independent domains"},"valid_from":null,"undated":true,"valid_to":null,"published":"2026-03-02","recorded":"2026-10-31","confidence":0.8,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-31T00:05:18.252566+00:00","updated_at":"2026-10-31T00:05:18.252566+00:00","sources":[{"url":"https://www.sec.gov/Archives/edgar/data/1831840/000162828026013259/semr-20251231.htm","tier":"primary","publisher":"Semrush (SEC 10-K)","published_at":"2026-03-02T00:00:00+00:00"},{"url":"https://www.wikidata.org/wiki/Q48818116","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://www.semrush.com/company/","tier":"primary","publisher":null,"published_at":null}],"evidence":{"by":"page-read","on":"2026-10-31"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}