# clm_4D8B5EC34A9A

subject: Vertex Pharmaceuticals (/record/vertex-pharmaceuticals.md)  
predicate: founded  
value: 1989  
valid_from: 1989-01-01  
valid_to: null  
published: 2023-11-28  
recorded: 2026-11-10  
confidence: 0.60  
status: unverified  
assertable: false (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.)  
superseded_by: null  
last_updated: 2026-11-11  
cite: 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/.  
checked: 2026-11-11 · its source page states the value and the date, as read by an AI model  

> Vertex Pharmaceuticals was founded in 1989 by Dr. Joshua Boger and Kevin J. Kinsella

What https://trendspider.com/learning-center/vertex-pharmaceuticals-incorporated-vrtx/ says, word for word.

## Sources

- https://trendspider.com/learning-center/vertex-pharmaceuticals-incorporated-vrtx/ (secondary, trendspider.com, published 2023-11-28)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.