What is Regeneron Pharmaceuticals's current chair?

Leonard S. Schleifer, dated June 9, 2023, from a primary source (sec.gov). The record asserts this claim as of November 12, 2026 (status valid, confidence 0.95).

organization · fact

Regeneron Pharmaceuticals chair

As of November 12, 2026, Regeneron Pharmaceuticals's chair on the AsOf record is Leonard S. Schleifer, dated June 9, 2023, from a primary source (sec.gov).

Regeneron Pharmaceuticals on another date · compare two dates

current chair: Leonard S. SchleiferJune 9, 2023 · 1 source

Every dated value

1 value · 1 current

Regeneron Pharmaceuticals chair: every dated value on the record, oldest first, with its dates, status, confidence and sources
value	valid fromThe day the value took effect, not the day it was published. A period figure (a year's revenue) is dated at the period's end.More in About →	valid to	confidenceHow well the sources support the value, from 0 to 1. A single primary source is asserted from 0.7; nothing below 0.5 is asserted; a dead or disagreeing source lowers it.More in About →	sourcesPrimary: the entity's own filing, feed or site. Secondary: a publisher reporting it. Each claim links every source it has, with the passage that states the value where one was read.More in About →
Leonard S. Schleifer: chair Leonard S. Schleifer from 2023-06-09, claim clm_E84D1B159AB1 and its sources to present · sec.gov	2023-06-09	present	0.95	sec.gov

Questions this record answers

What is Regeneron Pharmaceuticals's current chair?: Leonard S. Schleifer, dated June 9, 2023, from a primary source (sec.gov). The record asserts this claim as of November 12, 2026 (status valid, confidence 0.95).

Answered from the rows above, as of November 12, 2026.

Cite Regeneron Pharmaceuticals chair

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 The URL never changes: a superseded claim stays at the same address.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}
}

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