Regeneron Pharmaceuticals REGN

Regeneron Pharmaceuticals, Inc. · Nasdaq · Pharmaceutical Preparations

$818.77+0.68%close on Oct. 29, 2026 · volume 782K · Yahoo Finance

Price, last 48 sessions

$750.00$800.00$850.00Sept. 2026Oct. 2026
Aug. 24, 2026 to Oct. 29, 2026 · high $852.03 · low $726.47 · SEC filing, placed when SEC released it

Our coverage

Insider buying and selling

DateInsiderTradeSharesAvg. priceValue
Oct. 14, 2026Andrew J. Murphy
Co-Chief Scientific Officer
Sold
10b5-1 plan
4,147$772.70
$753.76-$781.47
$3.20 million
Sept. 3, 2026Marion McCourt
EVP Commercial
Sold
10b5-1 plan
1,131$857.39$969,708
Sept. 2, 2026Marion McCourt
EVP Commercial
Sold
10b5-1 plan
1,215$850.00$1.03 million
Sept. 2, 2026Kathryn Guarini
director
Sold
10b5-1 plan
400$850.00$340,000
Aug. 10, 2026Kathryn Guarini
director
Sold
10b5-1 plan
400$800.00$320,000
Aug. 10, 2026Huda Y. Zoghbi
director
Sold
10b5-1 plan
800$800.00$640,000

Open-market purchases and sales reported on SEC Form 4 filed since July 24, 2026; grants, option exercises and shares withheld for tax aren't shown. A trade under a 10b5-1 plan was scheduled in advance. Where a filing was amended, the amendment's figures are shown.

Recent SEC filings

All 13 →
  • 10-QOct. 30, 2026, 6:55 a.m. ETView on SEC.gov
  • 8-KOct. 30, 2026, 6:50 a.m. ETView on SEC.govOur explainer

    Results of operations and financial condition · Financial statements and exhibits

    AI summary, unreviewedRegeneron Q3 2026 non-GAAP EPS of $20.07 beats $16.25 consensus as revenue rises 36% to $5.1 billion; Sanofi expansion adds $1.0 billion up-front for Q4

  • 4Oct. 15, 2026, 4:02 p.m. ETView on SEC.gov
  • 8-KOct. 6, 2026, 7:51 a.m. ETView on SEC.gov

    Entry into a material definitive agreement · Results of operations and financial condition · Other events

  • 8-KSept. 30, 2026, 4:14 p.m. ETView on SEC.gov

    Departure/appointment of directors or officers · Financial statements and exhibits

  • 4Sept. 3, 2026, 4:47 p.m. ETView on SEC.gov
  • 4Sept. 3, 2026, 4:50 p.m. ETView on SEC.gov
  • 4Aug. 21, 2026, 4:01 p.m. ETView on SEC.gov