REPLIGEN CORP (RGEN) Stock Ownership

NASDAQ:RGEN • US7599161095

113.76 USD
-5.47 (-4.59%)
At close: Mar 12, 2026
113.81 USD
+0.05 (+0.04%)
After Hours: 3/12/2026, 8:08:41 PM
RGEN Ownership Chart.RGEN Ownership Chart: showing Insider, Institutional ownership and shares available to the public.RGEN Ownership.InsiderInstitutional



Shares Outstanding56.33M
Float52.64M
Float Short Interest Percentage7.69%
Owners (insider)0.39%
Owners (institutional)112.04%
Owners (insider) change-4.1%
Owners (institutional) change0.02%
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 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 0 20K -20K -40K
Date Name Type Shares Price Amount
Mar 4, 2026 KURIYEL RALF Grant 125 0.00 $ 0.00
Mar 4, 2026 KURIYEL RALF Option Excercise 42 125.84 $ 5,285.28
Mar 2, 2026 Douglass Brian Robb Option Excercise 221 124.97 $ 27,618.37
Mar 2, 2026 Hunt Anthony Option Excercise 9897 124.97 $ 1,236,828.09
Feb 27, 2026 KURIYEL RALF Option Excercise 1367 126.19 $ 172,503.43
Feb 27, 2026 Loeillot Olivier Option Excercise 1954 125.63 $ 245,484.82
Feb 27, 2026 Garland Jason K Option Excercise 1042 126.15 $ 131,448.26
Feb 27, 2026 Bylund James Option Excercise 3911 126.39 $ 494,314.95
Dec 17, 2025 DAWES KAREN A Open Market Sale 275 161.00 $ 44,275.00
Dec 16, 2025 MUIR GLENN P Option Excercise 3366 26.12 $ 87,919.92
Dec 4, 2025 Hunt Anthony Other Disposition 2000 $ 0.00
Nov 25, 2025 Loeillot Olivier Open Market Sale 7041 170.00 $ 1,196,970.00
Nov 18, 2025 Bylund James Open Market Sale 2191 151.21 $ 331,301.11
Nov 13, 2025 Hunt Anthony Open Market Sale 20000 154.61 $ 3,092,278.36
Nov 13, 2025 Hunt Anthony Option Excercise 2952 33.87 $ 99,984.24
Nov 12, 2025 Hunt Anthony Option Excercise 25000 33.87 $ 846,750.00
Nov 12, 2025 Hunt Anthony Open Market Sale 25000 156.88 $ 3,921,939.67
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