AsOf

Regeneron Pharmaceuticals · ChairLeonard S. Schleifer

valid: Two independent sources agree, or a primary source states it: the record asserts this claim, unless it is a post, is marked for review or carries a confidence below 0.5.asserted

What the statuses mean

Valid from
2023-06-09
Valid until
still holds
Published
2023-04-17
Recorded by AsOf
2026-11-12
Checked
2026-11-12 · its source page states the value and the date
Confidence
0.95

Sources

“Effective upon the expiration of Dr. Vagelos’s term, the Board plans to elect Leonard S. Schleifer, M.D., Ph.D., President and Chief Executive Officer of the Company, and George D. Yancopoulos, M.D., Ph.D., President and Chief Scientific Officer of the Company, as Co-Chairs of the Board”— what the page says, read 2026-11-12

Cite this claim

Each form names the value, its as-of date (2023-06-09), the day you read it (2026-11-12), the claim's stable URL and id and its primary source. The URL never changes: a superseded claim stays at the same address.

Plain text
AsOf. "Regeneron Pharmaceuticals chair: Leonard S. Schleifer", as of 2023-06-09. Claim clm_E84D1B159AB1, https://asof.is/claim/clm_E84D1B159AB1, accessed 2026-11-12. Source: https://www.sec.gov/Archives/edgar/data/872589/000110465923045897/0001104659-23-045897-index.htm.
APA
AsOf. (2023). Regeneron Pharmaceuticals chair: Leonard S. Schleifer (as of 2023-06-09) [Record clm_E84D1B159AB1]. Retrieved November 12, 2026, from https://asof.is/claim/clm_E84D1B159AB1 (source: https://www.sec.gov/Archives/edgar/data/872589/000110465923045897/0001104659-23-045897-index.htm)
BibTeX
@misc{asof_clm_E84D1B159AB1,
  author = {AsOf},
  title = {Regeneron Pharmaceuticals chair: Leonard S. Schleifer},
  year = {2023},
  howpublished = {\url{https://asof.is/claim/clm_E84D1B159AB1}},
  note = {Claim clm\_E84D1B159AB1, as of 2023-06-09; source: https://www.sec.gov/Archives/edgar/data/872589/000110465923045897/0001104659-23-045897-index.htm},
  urldate = {2026-11-12}
}

On the record

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