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REPLIGEN CORP (RGEN) Stock Ownership and Short Interest

USA - NASDAQ:RGEN - US7599161095 - Common Stock

160.8 USD
+6.26 (+4.05%)
Last: 10/21/2025, 11:51:16 AM
RGEN Ownership Chart.RGEN Ownership Chart: showing Insider, Institutional ownership and shares available to the public.RGEN Ownership.InsiderInstitutionalPublic



Shares Outstanding56.26M
Float52.50M
Float Short Interest Percentage6.75%
Owners (insider)0.5%
Owners (institutional)98.43%
Owners (insider) change-2.37%
Owners (institutional) change0.48%
RGEN Institutional Ownership HistoryRGEN Institutional Ownership HistoryRGEN Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 10M 20M 30M 40M 50M
RGEN Historical Insider Transactions ChartRGEN Historical Insider Buy and Sell Transactions ChartRGEN Historical Insider Transactions Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 0 20K -20K 40K
Date Name Type Shares Price Amount
Oct 2, 2025 Loeillot Olivier Option Excercise 1248 145.23 $ 181,247.04
Sep 25, 2025 Garland Jason K Option Excercise 412 121.68 $ 50,132.16
Sep 10, 2025 Hunt Anthony Option Excercise 20000 33.87 $ 677,400.00
Sep 10, 2025 Hunt Anthony Open Market Sale 29111 120.52 $ 3,508,388.91
Sep 3, 2025 Loeillot Olivier Option Excercise 2506 116.18 $ 291,147.08
Aug 8, 2025 Madaus Martin D Open Market Purchase 1800 112.13 $ 201,830.40
May 15, 2025 Hunt Anthony Open Market Sale 26447 123.71 $ 3,271,687.92
May 15, 2025 Mhatre Rohin Grant 973 0.00 $ 0.00
May 15, 2025 Pax Margaret Grant 973 0.00 $ 0.00
May 15, 2025 Madaus Martin D Grant 973 0.00 $ 0.00
May 15, 2025 DAWES KAREN A Grant 973 0.00 $ 0.00
May 15, 2025 Konstantinov Konstantin Grant 973 0.00 $ 0.00
May 15, 2025 MUIR GLENN P Grant 973 0.00 $ 0.00
May 15, 2025 EGLINTON MANNER CARRIE Grant 973 0.00 $ 0.00
May 15, 2025 BARTHELEMY NICOLAS Grant 973 0.00 $ 0.00
Apr 1, 2025 Bylund James Option Excercise 454 128.50 $ 58,339.00
Mar 17, 2025 Pax Margaret Open Market Purchase 250 150.69 $ 37,672.50
Mar 17, 2025 Hunt Anthony Option Excercise 26756 54.73 $ 1,464,267.12
Mar 17, 2025 Hunt Anthony Open Market Sale 26756 152.51 $ 4,080,663.26
Mar 3, 2025 Loeillot Olivier Grant 14480 0.00 $ 0.00
Mar 3, 2025 Garland Jason K Grant 6435 0.00 $ 0.00
Mar 3, 2025 KURIYEL RALF Grant 4826 0.00 $ 0.00
Mar 3, 2025 KURIYEL RALF Option Excercise 386 155.38 $ 59,976.68
Mar 3, 2025 Hunt Anthony Option Excercise 10142 155.38 $ 1,575,863.96
Mar 3, 2025 Bylund James Grant 6435 0.00 $ 0.00
Mar 3, 2025 Bylund James Option Excercise 1239 155.38 $ 192,515.82
Feb 27, 2025 Garland Jason K Option Excercise 316 156.54 $ 49,466.64
Feb 27, 2025 Loeillot Olivier Option Excercise 343 156.54 $ 53,693.22
Feb 27, 2025 Bylund James Option Excercise 1285 156.54 $ 201,153.90
Feb 27, 2025 KURIYEL RALF Option Excercise 391 156.54 $ 61,207.14
Feb 27, 2025 Hunt Anthony Option Excercise 2825 156.54 $ 442,225.50
Feb 24, 2025 KURIYEL RALF Option Excercise 275 164.74 $ 45,303.50
Feb 24, 2025 Bylund James Option Excercise 543 164.74 $ 89,453.82
Feb 24, 2025 Hunt Anthony Option Excercise 2380 164.74 $ 392,081.20
Dec 5, 2024 Hunt Anthony Option Excercise 11808 33.87 $ 399,936.96
Nov 21, 2024 Hunt Anthony Option Excercise 24246 33.87 $ 821,212.02
Nov 21, 2024 Hunt Anthony Open Market Sale 24246 139.67 $ 3,386,438.82
Nov 20, 2024 Loeillot Olivier Option Excercise 861 123.41 $ 106,256.01
Nov 19, 2024 MUIR GLENN P Option Excercise 19000 36.29 $ 689,510.00