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R

REGN

Nasdaq

REGENERON PHARMACEUTICALS, INC.

Latest disclosureSeptember 3, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 27 sales

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Insider transactions 39

Limited filing history
All39Buying0Selling27Other12
Filters

Last 30 daysNo qualifying insider buying. No qualifying insider sales.

27 of 39 trades · April 1, 2026 – September 3, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Sale disclosed

Marion McCourt

EVP Commercial

Common Stock

Reported value
$1.03M
Reported price
$850.00 / share
Traded September 2, 2026Filed September 3, 2026SEC filing
Sale disclosed

Marion McCourt

EVP Commercial

Common Stock

Reported value
$969.71K
Reported price
$857.39 / share
Traded September 3, 2026Filed September 3, 2026SEC filing
Sale disclosed

Kathryn Guarini

Director

Common Stock

Reported value
$340K
Reported price
$850.00 / share
Traded September 2, 2026Filed September 3, 2026SEC filing
Sale disclosed

Kathryn Guarini

Director

Common Stock

Reported value
$320K
Reported price
$800.00 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Sale disclosed

Huda Y. Zoghbi

Director

Common Stock

Reported value
$640K
Reported price
$800.00 / share
Traded August 10, 2026Filed August 12, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$130.03K
Reported price
$650.15 / share
Traded July 2, 2026Filed July 7, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$3.51K
Reported price
$701.76 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$10.54K
Reported price
$702.46 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$16.88K
Reported price
$703.46 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$10.56K
Reported price
$704.28 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$9.88K
Reported price
$705.56 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$4.95K
Reported price
$706.74 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$2.83K
Reported price
$707.40 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$4.26K
Reported price
$709.45 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$1.42K
Reported price
$710.87 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$3.56K
Reported price
$711.49 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$712.09
Reported price
$712.09 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$1.43K
Reported price
$714.13 / share
Traded May 1, 2026Filed May 4, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$771.32
Reported price
$771.32 / share
Traded April 1, 2026Filed April 3, 2026SEC filing
Sale disclosed

Arthur F. Ryan

Director

Common Stock

Reported value
$2.32K
Reported price
$772.76 / share
Traded April 1, 2026Filed April 3, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
EVP CommercialCommon StockSale10b5-11,215$850.00 / share$1.03MSep 2Filed Sep 3 · 1d laterSEC filing
EVP CommercialCommon StockSale10b5-11,131$857.39 / share$969.71KSep 3Filed Sep 3 · 0d laterSEC filing
DirectorCommon StockSale10b5-1400$850.00 / share$340KSep 2Filed Sep 3 · 1d laterSEC filing
DirectorCommon StockSale10b5-1400$800.00 / share$320KAug 10Filed Aug 12 · 2d laterSEC filing
DirectorCommon StockSale10b5-1800$800.00 / share$640KAug 10Filed Aug 12 · 2d laterSEC filing
DirectorCommon StockSale10b5-1200$650.15 / share$130.03KJul 2Filed Jul 7 · 5d laterSEC filing
DirectorCommon StockSale10b5-112 trades100avg $705.24 / share$70.52KMay 1Filed May 4 · 3d later
12 filings
  • 5 @ $701.76 · $3.51KSEC filing
  • 15 @ $702.46 · $10.54KSEC filing
  • 24 @ $703.46 · $16.88KSEC filing
  • 15 @ $704.28 · $10.56KSEC filing
  • 14 @ $705.56 · $9.88KSEC filing
  • 7 @ $706.74 · $4.95KSEC filing
  • 4 @ $707.40 · $2.83KSEC filing
  • 6 @ $709.45 · $4.26KSEC filing
  • 2 @ $710.87 · $1.42KSEC filing
  • 5 @ $711.49 · $3.56KSEC filing
  • 1 @ $712.09 · $712.09SEC filing
  • 2 @ $714.13 · $1.43KSEC filing
DirectorCommon StockSale10b5-12 trades4avg $772.40 / share$3.09KApr 1Filed Apr 3 · 2d later
2 filings
  • 1 @ $771.32 · $771.32SEC filing
  • 3 @ $772.76 · $2.32KSEC filing

Showing the latest 20 of 27 trades. Show all 27 trades

Congress transactions 4

All Congress filings
Purchase disclosed

Regeneron Pharmaceuticals, Inc. - Common Stock · Stock

The filing reports a purchase for the member.

AAAlan ArmstrongReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
March 27, 2026
Filed July 21, 2026 · 116d laterOriginal report
Sale disclosed

Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) · Stock

The filing reports a sale for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
May 15, 2026
Filed June 8, 2026 · 24d laterOriginal report
Purchase disclosed

Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) · Stock

The filing reports a purchase for the member.

Julia Letlow official portraitJulia LetlowReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
February 12, 2026
Filed March 12, 2026 · 28d laterOriginal report
Purchase disclosed

Regeneron Pharmaceuticals, Inc. - Common Stock (REGN) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
November 18, 2025
Filed December 15, 2025 · 27d laterOriginal report
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Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0000872589
Latest public acceptance
Sep 3, 2026, 08:50 PM UTC
Score calculated
Oct 7, 2026, 12:05 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.