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REGENERON PHARMACEUTICALS, INC.
REGNCIK: 0000872589
REGENERON PHARMACEUTICALS, INC. (REGN) has recorded 18 insider filings from 12 unique insiders, totaling $656.0M in trading activity (net selling). Insiders have sold $3.7M while purchasing $0. Insider sales can reflect personal financial planning rather than a bearish view — always consider the full context. The most active insider by volume is SCHLEIFER LEONARD S. All data sourced from SEC Form 4 filings and updated as new disclosures are filed.
Total Volume
$656.0M
Purchases
$0
Sales
$3.7M
Unique Insiders
12
Recent Insider Trades (18)
Sell
$1.3M
11 sales
Sell
$1.6M
11 sales
Grant
$0
1 grant
Grant
$0
1 grant
SCHLEIFER LEONARD SBd. Co-Chair, President & CEO, Director
Filed Jan 5, 2026
Other
$0
Other
$0
Van Plew Daniel PEVP & General Mgr, Industrial
Filed Dec 11, 2025
Other
$0
SCHLEIFER LEONARD SBd. Co-Chair, President & CEO, Director
Filed Dec 11, 2025
Other
$0
Other
$0
YANCOPOULOS GEORGEBd. Co-Chair, President & CSO, Director
Filed Dec 11, 2025
Other
$0
Other
$0
Grant
$0
1 grant
Grant
$0
1 grant
Grant
$0
1 grant
Grant
$0
1 grant
Grant
$0
1 grant
Sell
$570.0K
1 sale
Sell
$280.8K
1 sale