LEONARD S. SCHLEIFER

Insider Reports History

Location
Tarrytown, NY
Signature
/s/ Leonard S. Schleifer
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by LEONARD S. SCHLEIFER:

Company Role Class Num Shares Value Price $ Report Date Ownership
REGENERON PHARMACEUTICALS, INC. Bd. Co-Chair, President & CEO, Director Common Stock 300,000 $207,774,000 $692.58 31 Dec 2025 By 2025 GRAT
REGENERON PHARMACEUTICALS, INC. Bd. Co-Chair, President & CEO, Director Common Stock 214,523 $165,631,063 $772.09 31 Dec 2025 Direct
REGENERON PHARMACEUTICALS, INC. Bd. Co-Chair, President & CEO, Director Common Stock 127,484 $88,292,868 $692.58 31 Dec 2025 By 2024 GRAT
REGENERON PHARMACEUTICALS, INC. Bd. Co-Chair, President & CEO, Director Common Stock 39,985 $27,692,811 $692.58 31 Dec 2025 By Trust
REGENERON PHARMACEUTICALS, INC. Bd. Co-Chair, President & CEO, Director Common Stock 5,989 $4,147,861 $692.58 31 Dec 2025 By 401(k) Plan
REGENERON PHARMACEUTICALS, INC. Bd. Co-Chair, President & CEO, Director 2020 Performance Stock Units 595,077 31 Dec 2025 Direct
REGENERON PHARMACEUTICALS, INC. Bd. Co-Chair, President & CEO, Director Non-Qualified Stock Option (right to buy) 0 09 Dec 2025 Direct

Insider Reports Filed by LEONARD S. SCHLEIFER

Symbol Company Period Transactions Value $ Form Type Role Filing Time
REGN REGENERON PHARMACEUTICALS, INC. 31 Dec 2025 3 -$22,058,611 4 Bd. Co-Chair, President & CEO, Director 05 Jan 2026, 17:53
REGN REGENERON PHARMACEUTICALS, INC. 09 Dec 2025 3 -$12,858,780 4 Bd. Co-Chair, President & CEO, Director 11 Dec 2025, 16:23
REGN REGENERON PHARMACEUTICALS, INC. 11 Jun 2024 7 -$25,610,229 4 Bd. Co-Chair, President & CEO, Director 13 Jun 2024, 16:01
REGN REGENERON PHARMACEUTICALS, INC. 06 Jun 2024 1 -$798,821 4 Bd. Co-Chair, President & CEO, Director 10 Jun 2024, 16:03
REGN REGENERON PHARMACEUTICALS, INC. 17 May 2024 2 -$22,355,714 4 Bd. Co-Chair, President & CEO, Director 17 May 2024, 17:57
REGN REGENERON PHARMACEUTICALS, INC. 13 May 2024 15 -$95,075,310 4 Bd. Co-Chair, President & CEO, Director 15 May 2024, 18:10
REGN REGENERON PHARMACEUTICALS, INC. 11 Dec 2023 3 -$10,838,960 4 Bd. Co-Chair, President & CEO, Director 13 Dec 2023, 16:05
REGN REGENERON PHARMACEUTICALS, INC. 15 May 2023 2 $0 4 President & CEO, Director 17 May 2023, 16:10
REGN REGENERON PHARMACEUTICALS, INC. 05 Apr 2022 2 -$5,051,269 4 President & CEO, Director 07 Apr 2022, 16:04
REGN REGENERON PHARMACEUTICALS, INC. 31 Mar 2022 1 -$2,049,089 4 President & CEO, Director 04 Apr 2022, 16:03
REGN REGENERON PHARMACEUTICALS, INC. 19 Nov 2021 6 -$119,112,839 4 President & CEO, Director 19 Nov 2021, 16:50
REGN REGENERON PHARMACEUTICALS, INC. 18 Aug 2021 2 -$136,606,300 4 President & CEO, Director 20 Aug 2021, 16:02
REGN REGENERON PHARMACEUTICALS, INC. 16 Aug 2021 15 -$6,243,614 4 President & CEO, Director 17 Aug 2021, 16:42
REGN REGENERON PHARMACEUTICALS, INC. 06 Aug 2021 8 -$118,049,598 4 President & CEO, Director 10 Aug 2021, 17:05