{"id":"clm_4D8B5EC34A9A","entity":"vertex-pharmaceuticals","predicate":"founded","value":"1989","value_json":{"note":"Page says Vertex was founded in 1989 by Joshua Boger and Kevin Kinsella; only the year is given. I did not find a page on Vertex's own site or a regulatory filing.","check":{"on":"2026-11-11","url":"https://trendspider.com/learning-center/vertex-pharmaceuticals-incorporated-vrtx/","pages":1,"quote":"Vertex Pharmaceuticals was founded in 1989 by Dr. Joshua Boger and Kevin J. Kinsella","outcome":"checked"},"verdict":"found","verified":"2026-11-10","precision":9,"missing_basic":true},"valid_from":"1989-01-01","valid_to":null,"published":"2023-11-28","recorded":"2026-11-10","citation":{"plain":"AsOf. \"Vertex Pharmaceuticals founded: 1989\", as of 1989-01-01. Claim clm_4D8B5EC34A9A, https://asof.is/claim/clm_4D8B5EC34A9A, accessed 2026-11-13. Source: https://trendspider.com/learning-center/vertex-pharmaceuticals-incorporated-vrtx/.","url":"https://asof.is/claim/clm_4D8B5EC34A9A","accessed":"2026-11-13"},"confidence":0.6,"status":"unverified","assertable":false,"why_not":"unverified","superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-10T21:49:54.930537+00:00","updated_at":"2026-11-11T05:31:45.550104+00:00","sources":[{"url":"https://trendspider.com/learning-center/vertex-pharmaceuticals-incorporated-vrtx/","tier":"secondary","publisher":"trendspider.com","published_at":"2023-11-28T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-11","quote":"Vertex Pharmaceuticals was founded in 1989 by Dr. Joshua Boger and Kevin J. Kinsella","url":"https://trendspider.com/learning-center/vertex-pharmaceuticals-incorporated-vrtx/"},"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.","citation":"citation: how to cite the row (plain: one sentence with the value, its as-of date, the claim id and URL, the day answered and the primary source; url: the claim page; accessed: the day answered). APA and BibTeX forms are on the claim page.","why_not":{"unverified":"Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it."},"checked_by":{"page-read":"its source page states the value and the date, as read by an AI model"}}}