SCHLEIFER LEONARD S

CIK 00012186291 companyTARRYTOWN, NY

SEC Profile

Transactions

Companies

Filings

CIK

0001218629

Recent Transactions

50 trades

Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2025-12-31+28,570→ 243,093 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
2020 Performance Stock Units
2025-12-31−28,570→ 595,077 total
Tax Payment
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2025-12-31$772.09/sh−28,570→ 214,523 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Non-Qualified Stock Option (right to buy)
2025-12-09−172,723→ 0 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2025-12-09$555.67/sh+172,723→ 369,668 total
Tax Payment
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2025-12-09$701.51/sh−155,145→ 214,523 total
Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-06-12+1,000→ 1,000 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-06-12$1015.30/sh−14,879→ 40,255 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-06-12$1025.27/sh−1,000→ 0 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-06-12$1016.62/sh−270→ 39,985 total
Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Class A Stock
2024-06-12−1,000→ 14,775 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-06-11$1016.04/sh−1,743→ 55,134 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-06-11$1015.28/sh−7,321→ 56,877 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-06-06$1015.02/sh−787→ 64,198 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-17$980.07/sh−143→ 466,877 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-17$979.22/sh−22,687→ 467,020 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$982.66/sh−235→ 398,725 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$980.64/sh−295→ 400,041 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$987.46/sh−228→ 397,558 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$988.76/sh−299→ 397,259 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$986.57/sh−103→ 397,786 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$985.72/sh−281→ 397,889 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$984.00/sh−305→ 398,170 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$983.91/sh−250→ 398,475 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$979.05/sh−7,864→ 400,336 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-15$981.50/sh−1,081→ 398,960 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-14$979.16/sh−22,698→ 410,502 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-14$980.10/sh−2,302→ 408,200 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-13$399.66/sh+203,204→ 577,633 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Non-Qualified Stock Option (right to buy)
2024-05-13−203,204→ 0 total
Tax Payment
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2024-05-13$976.79/sh−144,433→ 433,200 total
Tax Payment
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2023-12-11$844.09/sh−12,841→ 374,429 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2023-12-11+25,155→ 387,270 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
2019 Performance Stock Units
2023-12-11−25,155→ 0 total
Gift
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2023-05-15−53,807→ 0 total
Gift
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2023-05-15+53,807→ 64,985 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2022-04-06$710.04/sh−2,653→ 11,178 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2022-04-05$710.05/sh−4,461→ 13,831 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2022-03-31$710.01/sh−2,886→ 18,292 total
Tax Payment
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-11-19$651.96/sh−185,646→ 465,922 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Non-Qualified Stock Option (right to buy)
2021-11-19−281,250→ 0 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-11-19$270.43/sh+239,063→ 543,809 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Non-Qualified Stock Option (right to buy)
2021-11-19−239,063→ 0 total
Exercise/Conversion
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-11-19$179.13/sh+281,250→ 651,568 total
Tax Payment
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-11-19$651.96/sh−173,491→ 370,318 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-08-19$660.03/sh−10,000→ 21,178 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-08-18$650.03/sh−200,000→ 304,746 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-08-16$621.76/sh−287→ 40,096 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-08-16$629.54/sh−303→ 31,178 total
Sale
REGENERON PHARMACEUTICALS, INC.$REGN
Common Stock
2021-08-16$624.42/sh−1,862→ 34,917 total

Companies

REGENERON PHARMACEUTICALS, INC.
Director, CEO and President, 10% Owner
$REGN

Recent Filings

Address

777 OLD SAW MILL RIVER ROAD

TARRYTOWN, NY, 10591

View on SEC.gov