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Regeneron Pharmaceuticals Insider Trades

NASDAQ: REGNHealth CareBiotechnology: Pharmaceutical PreparationsUSD

746.40+6.83 (+0.92%)

Market open · Delayed 15 min · as of Oct 9, 2:13 PM ET

Last 12 months

Purchases
0 · $0
Sales
76 · $7.80M
Shares bought / sold
0 / 9.72K
Net activity
Net selling $7.8 million

Regeneron Pharmaceuticals insider activity

Over the last 12 months, Regeneron Pharmaceuticals insiders reported 100 transactions on SEC Form 4: 0 open-market purchases and 76 sales. Insiders bought $0 and sold $7.8 million worth of stock, for net insider selling of $7.8 million. The largest seller was McCourt Marion, with $2.0 million in reported sales.

The most recent filing shows McCourt Marion (EVP Commercial) selling 1,131 shares at $857.39 on Sep 3, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put REGN's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

REGN insider transactions

Regeneron Pharmaceuticals insider transactions
DateInsiderTypeSharesValueFiling
Sep 3, 2026McCourt MarionEVP CommercialSale1,131$969.71KForm 4
Sep 2, 2026Guarini KathrynDirectorSale400$340.00KForm 4
Sep 2, 2026Guarini KathrynDirectorOption exercise400$287.75KForm 4
Sep 2, 2026McCourt MarionEVP CommercialSale1,215$1.03MForm 4
Aug 19, 2026LAROSA JOSEPH JEVP General Counsel and SecretTax withholding9,019$7.49MForm 4
Aug 19, 2026LAROSA JOSEPH JEVP General Counsel and SecretOption exercise12,282$4.69MForm 4
Aug 18, 2026Fenimore Christopher R.EVP Finance CFOTax withholding4,599$3.74MForm 4
Aug 18, 2026Fenimore Christopher R.EVP Finance CFOOption exercise6,283$2.40MForm 4
Aug 10, 2026Zoghbi Huda YDirectorSale800$640.00KForm 4
Aug 10, 2026Zoghbi Huda YDirectorOption exercise800$301.35KForm 4
Aug 10, 2026Guarini KathrynDirectorSale400$320.00KForm 4
Aug 10, 2026Guarini KathrynDirectorOption exercise400$287.75KForm 4
Jul 2, 2026RYAN ARTHUR FDirectorSale200$130.03KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale2$1.43KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale1$712.09Form 4
May 1, 2026RYAN ARTHUR FDirectorSale5$3.56KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale2$1.42KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale6$4.26KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale4$2.83KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale7$4.95KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale14$9.88KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale15$10.56KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale24$16.88KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale15$10.54KForm 4
May 1, 2026RYAN ARTHUR FDirectorSale5$3.51KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale40$31.19KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale4$3.11KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale9$7.00KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale13$10.10KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale14$10.86KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale8$6.20KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale8$6.19KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale3$2.32KForm 4
Apr 1, 2026RYAN ARTHUR FDirectorSale1$771.32Form 4
Mar 2, 2026RYAN ARTHUR FDirectorSale20$15.79KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale20$15.78KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale2$1.57KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale7$5.51KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale11$8.64KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale9$7.06KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale10$7.84KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale2$1.57KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale2$1.56KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale3$2.34KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale5$3.90KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale2$1.56KForm 4
Mar 2, 2026RYAN ARTHUR FDirectorSale7$5.44KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale4$3.16KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale56$43.99KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale160$125.51KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale220$172.32KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale298$233.07KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale209$163.29KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale331$258.33KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale208$162.15KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale53$41.26KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale50$38.77KForm 4
Feb 19, 2026Zoghbi Huda YDirectorSale49$37.96KForm 4
Feb 19, 2026Zoghbi Huda YDirectorOption exercise1,638$617.02KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale53$41.64KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale1$784.66Form 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale144$112.79KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale37$28.96KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale26$20.32KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale75$58.50KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale205$159.81KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale563$438.21KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale391$304.01KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale521$404.52KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerSale20$15.52KForm 4
Feb 9, 2026Pitofsky JasonSVP ControllerOption exercise1,000$492.00KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale1$787.82Form 4
Feb 9, 2026RYAN ARTHUR FDirectorSale2$1.57KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale1$785.71Form 4
Feb 9, 2026RYAN ARTHUR FDirectorSale1$784.59Form 4
Feb 9, 2026RYAN ARTHUR FDirectorSale3$2.35KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale1$782.53Form 4
Feb 9, 2026RYAN ARTHUR FDirectorSale5$3.91KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale1$780.09Form 4
Feb 9, 2026RYAN ARTHUR FDirectorSale5$3.90KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale12$9.34KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale57$44.32KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale10$7.77KForm 4
Feb 9, 2026RYAN ARTHUR FDirectorSale1$775.63Form 4
Jan 7, 2026Bassler Bonnie LDirectorSale1,500$1.20MForm 4
Jan 7, 2026Bassler Bonnie LDirectorOption exercise1,500$561.18KForm 4
Jan 2, 2026POON CHRISTINE ADirectorAward155—Form 4
Jan 2, 2026Bassler Bonnie LDirectorAward155—Form 4
Jan 2, 2026BROWN MICHAEL SDirectorAward155—Form 4
Jan 2, 2026COLES N ANTHONYDirectorAward155—Form 4
Jan 2, 2026GOLDSTEIN JOSEPH LDirectorAward155—Form 4
Jan 2, 2026SING GEORGE LDirectorAward155—Form 4
Jan 2, 2026RYAN ARTHUR FDirectorAward155—Form 4
Jan 2, 2026Schenkein David PDirectorAward155—Form 4
Jan 2, 2026Guarini KathrynDirectorAward155—Form 4
Jan 2, 2026Thompson Craig B.DirectorAward155—Form 4
Jan 2, 2026Zoghbi Huda YDirectorAward155—Form 4
Dec 31, 2025SCHLEIFER LEONARD SBd. Co-Chair, President & CEOOption exercise28,570—Form 4
Dec 31, 2025YANCOPOULOS GEORGEBd. Co-Chair, President & CSOTax withholding28,570$22.06MForm 4
Dec 31, 2025YANCOPOULOS GEORGEBd. Co-Chair, President & CSOOption exercise28,570—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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