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REGENERON PHARMACEUTICALS (REGN) Stock Ownership

USA - Nasdaq - NASDAQ:REGN - US75886F1075 - Common Stock

762.65 USD
+9.1 (+1.21%)
Last: 1/26/2026, 8:19:28 PM
761.64 USD
-1.01 (-0.13%)
After Hours: 1/26/2026, 8:19:28 PM
REGN Ownership Chart.REGN Ownership Chart: showing Insider, Institutional ownership and shares available to the public.REGN Ownership.InsiderInstitutionalPublic



Shares Outstanding105.10M
Float101.08M
Float Short Interest Percentage2.46%
Owners (insider)1.95%
Owners (institutional)90.13%
Owners (insider) change3.45%
Owners (institutional) change0.14%
REGN Institutional Ownership HistoryREGN Institutional Ownership HistoryREGN Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 50M 100M 150M
REGN Historical Insider Transactions ChartREGN Historical Insider Buy and Sell Transactions ChartREGN Historical Insider Transactions Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 0 10K 20K 30K
Date Name Type Shares Price Amount
Jan 7, 2026 Bassler Bonnie L Option Excercise 1500 374.12 $ 561,180.00
Jan 7, 2026 Bassler Bonnie L Open Market Sale 1500 800.00 $ 1,200,000.00
Jan 2, 2026 POON CHRISTINE A Grant 155 0.00 $ 0.00
Jan 2, 2026 Zoghbi Huda Y Grant 155 0.00 $ 0.00
Jan 2, 2026 Thompson Craig B. Grant 155 0.00 $ 0.00
Jan 2, 2026 SING GEORGE L Grant 155 0.00 $ 0.00
Jan 2, 2026 Guarini Kathryn Grant 155 0.00 $ 0.00
Jan 2, 2026 Schenkein David P Grant 155 0.00 $ 0.00
Jan 2, 2026 GOLDSTEIN JOSEPH L Grant 155 0.00 $ 0.00
Jan 2, 2026 RYAN ARTHUR F Grant 155 0.00 $ 0.00
Jan 2, 2026 COLES N ANTHONY Grant 155 0.00 $ 0.00
Jan 2, 2026 BROWN MICHAEL S Grant 155 0.00 $ 0.00
Jan 2, 2026 Bassler Bonnie L Grant 155 0.00 $ 0.00
Dec 31, 2025 YANCOPOULOS GEORGE Option Excercise 28570 0.00 $ 0.00
Dec 31, 2025 YANCOPOULOS GEORGE Option Excercise 28570 772.09 $ 22,058,611.30
Dec 31, 2025 SCHLEIFER LEONARD S Option Excercise 28570 0.00 $ 0.00
Dec 31, 2025 SCHLEIFER LEONARD S Option Excercise 28570 772.09 $ 22,058,611.30
Dec 30, 2025 SING GEORGE L Option Excercise 9212 520.01 $ 4,790,332.12
Dec 30, 2025 SING GEORGE L Option Excercise 6188 774.03 $ 4,789,697.64
Dec 9, 2025 YANCOPOULOS GEORGE Option Excercise 146815 555.67 $ 81,580,691.05
Dec 9, 2025 YANCOPOULOS GEORGE Option Excercise 131874 701.51 $ 92,510,929.74
Dec 9, 2025 SCHLEIFER LEONARD S Option Excercise 172723 555.67 $ 95,976,989.41
Dec 9, 2025 SCHLEIFER LEONARD S Option Excercise 155145 701.51 $ 108,835,768.95
Dec 9, 2025 Van Plew Daniel P Option Excercise 2552 701.51 $ 1,790,253.52
Dec 9, 2025 MURPHY ANDREW J Option Excercise 4229 701.51 $ 2,966,685.79
Dec 9, 2025 McCourt Marion Option Excercise 1021 701.51 $ 716,241.71
Dec 8, 2025 MURPHY ANDREW J Option Excercise 1699 712.94 $ 1,211,285.06
Dec 8, 2025 McCourt Marion Option Excercise 1336 712.94 $ 952,487.84
Dec 8, 2025 LAROSA JOSEPH J Option Excercise 1396 712.94 $ 995,264.24
Dec 8, 2025 Fenimore Christopher R. Option Excercise 992 712.94 $ 707,236.48
Dec 8, 2025 Van Plew Daniel P Option Excercise 1906 712.94 $ 1,358,863.64
Dec 8, 2025 Pitofsky Jason Option Excercise 989 712.94 $ 705,097.66
Dec 5, 2025 McCourt Marion Grant 2476 0.00 $ 0.00
Dec 5, 2025 LAROSA JOSEPH J Grant 2476 0.00 $ 0.00
Dec 5, 2025 Fenimore Christopher R. Grant 3027 0.00 $ 0.00
Dec 5, 2025 Van Plew Daniel P Grant 3715 0.00 $ 0.00
Dec 5, 2025 Pitofsky Jason Grant 2064 0.00 $ 0.00
Dec 5, 2025 MURPHY ANDREW J Grant 3715 0.00 $ 0.00
Nov 20, 2025 LAROSA JOSEPH J Option Excercise 14450 555.67 $ 8,029,431.50
Nov 20, 2025 LAROSA JOSEPH J Option Excercise 12686 736.77 $ 9,346,664.22
Nov 20, 2025 Bassler Bonnie L Option Excercise 760 371.40 $ 282,264.00
Nov 20, 2025 Bassler Bonnie L Open Market Sale 760 750.00 $ 570,000.00
Nov 7, 2025 Pitofsky Jason Open Market Sale 431 651.43 $ 280,766.33
Oct 30, 2025 MURPHY ANDREW J Other Disposition 1538 0.00 $ 0.00
Oct 29, 2025 POON CHRISTINE A Option Excercise 9212 520.01 $ 4,790,332.12
Oct 29, 2025 POON CHRISTINE A Open Market Sale 6500 654.27 $ 4,252,745.32
Oct 29, 2025 MURPHY ANDREW J Option Excercise 35000 555.67 $ 19,448,450.00
Oct 29, 2025 MURPHY ANDREW J Option Excercise 32490 648.82 $ 21,080,161.80