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Regeneron Pharmaceuticals, Inc. planned insider sales

In the twelve months since 23 September 2025 insiders at Regeneron Pharmaceuticals, Inc. filed 13 Form 144 notices of planned sales, 17,611 shares worth $13.0 million at the time of filing, from 8 sellers. The latest, filed 3 September 2026: McCourt Marion (officer), 1,131 shares worth $969,267, planned for around 3 September 2026 through UBS Financial Services Inc..

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
3 September 2026McCourt MarionOfficer1,131$969,2673 September 2026UBS Financial Services Inc.RSA VestingForm 144
2 September 2026Guarini KathrynDirector400$340,0002 September 2026UBS Financial Services, Inc.Exercise of stock optionForm 144
2 September 2026McCourt MarionOfficer1,215$1.0 million2 September 2026UBS Financial Services Inc.RSA VestingForm 144
10 August 2026Guarini KathrynBoard member400$320,00010 August 2026UBS Financial Services, Inc.Exercise of stock optionForm 144
10 August 2026Zoghbi Huda YDirector800$640,00010 August 2026UBS Financial Services, Inc.Exercise of stock optionsForm 144
2 July 2026Arthur F. RyanDirector400$249,8882 July 2026J.P. Morgan Securities LLCCompensationForm 144
19 February 2026Zoghbi Huda YDirector1,638$1.3 million19 February 2026UBS Financial Services, Inc.Exercise of stock optionsForm 144
9 February 2026Arthur F. RyanDirector400$314,2049 February 2026J.P. Morgan Securities LLCCompensationForm 144
9 February 2026Pitofsky JasonOfficer2,036$1.6 million9 February 2026UBS Financial Services, Inc.Exercise of Stock Options; Restricted Stock AwardForm 144
7 January 2026Bassler Bonnie LDirector1,500$1.2 million7 January 2026RBC CAPITAL MARKETS LLCOPTION EXERCISEForm 144
20 November 2025Bassler Bonnie LDirector760$570,00020 November 2025RBC CAPITAL MARKETS LLCOPTION EXERCISEForm 144
7 November 2025Jason PitofskyOfficer431$280,5817 November 2025UBS Financial Services IncRestricted Stock AwardForm 144
29 October 2025Christine PoonDirector6,500$4.2 million29 October 2025Goldman Sachs & Co. LLCStock OptionsForm 144

A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for Regeneron Pharmaceuticals, Inc.: the company's filing index, each notice read from its own XML.

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