Schleifer Leonard S Insider Trades

Insider Trading History

Track insider trading activity for Schleifer Leonard S. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $153M 243,093 shares
Last Trade
Dec 31, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$22.1M 28,570 shares
$771.87
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $135M 214,523 shares
Last Trade
Dec 31, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$22.1M 28,570 shares
$772.09
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $374M 595,077 shares
Last Trade
Dec 31, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$22.1M 28,570 shares
$771.87
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $232M 369,668 shares
Last Trade
Dec 09, 2025 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$120M 172,723 shares
$692.80
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $135M 214,523 shares
Last Trade
Dec 09, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$109M 155,145 shares
$701.51
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $0 0 shares
Last Trade
Dec 09, 2025 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$120M 172,723 shares
$692.80
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $25.3M 40,255 shares
Last Trade
Jun 12, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$16.4M 16,149 shares
$1,015.94
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $629k 1,000 shares
Last Trade
Jun 12, 2024 Purchase (Conversion)Shares acquired or disposed through conversion of a derivative or other security.
$1.03M 1,000 shares
$1,027.67
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $9.29M 14,775 shares
Last Trade
Jun 12, 2024 Sale (Conversion)Shares acquired or disposed through conversion of a derivative or other security.
$1.03M 1,000 shares
$1,027.67
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $35.8M 56,877 shares
Last Trade
Jun 11, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$9.2M 9,064 shares
$1,015.43
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $40.4M 64,198 shares
Last Trade
Jun 06, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$799k 787 shares
$1,015.02
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $294M 467,020 shares
Last Trade
May 17, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$22.4M 22,830 shares
$979.23
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $252M 400,336 shares
Last Trade
May 15, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$10.7M 10,941 shares
$980.34
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $258M 410,502 shares
Last Trade
May 14, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$24.5M 25,000 shares
$979.25
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $272M 433,200 shares
Last Trade
May 13, 2024 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$141M 144,433 shares
$976.79
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $0 0 shares
Last Trade
May 13, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$199M 203,204 shares
$976.96
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $363M 577,633 shares
Last Trade
May 13, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$199M 203,204 shares
$976.96
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $243M 387,270 shares
Last Trade
Dec 11, 2023 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$21.3M 25,155 shares
$848.42
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $235M 374,429 shares
Last Trade
Dec 11, 2023 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$10.8M 12,841 shares
$844.09
$628.73
Regeneron Pharmaceuticals
Regeneron Pharmaceuticals REGN
Bd. Co-chair, President & CEO
Holding Value $0 0 shares
Last Trade
Dec 11, 2023 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$21.3M 25,155 shares
$848.42
$628.73

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