Insider filing · REGN
Bonnie L Bassler
Director
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Regeneron Pharmaceuticals, Inc.
REGN · Healthcare · 35 filings in 24 months
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Bonnie L Bassler sold $570K of Regeneron Pharmaceuticals (REGN)
Executed Nov 20 2025, disclosed Nov 24 2025, 4 days later.
Value, as filed
$570K
760 sh × $750.00
Executed
Nov 20 2025
the trade date, as filed
Disclosed
Nov 24 2025
4 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
BBBonnie L Bassler (Director) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Regeneron Pharmaceuticals, Inc. (REGN). The largest single filing was $1.2M of REGN (1,500 sh × $800.00, as filed), executed Jan 7.
The name
REGNHealthcare · Regeneron Pharmaceuticals, Inc. discovers, invents, develops, manufactures, and commercializes medicines to treat various diseases worldwide
More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→Other filings by Bonnie L Bassler in REGN
REGNSALE
Regeneron Pharmaceuticals, Inc.
$1.2M1,500 sh × $800.00
Exec Jan 7
Filed Jan 8 · 5:30 PM ET