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REPLIGEN CORP — SC 13G/A Filings

72 SC 13G/A filings on record

This page lists all SC 13G/A filings submitted to the SEC by REPLIGEN CORP (RGEN), sorted by most recent first. Each row links to the full filing on EdgarLookup. REPLIGEN CORP has filed 72 SC 13G/A documents with the SEC since 2008. To view all SEC filings by REPLIGEN CORP, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 10-Q/A 144 3 3/A 305B2 4 4/A 424B3 424B5 424B7 5 5/A 8-A12G 8-A12G/A 8-K 8-K/A ARS CORRESP CT ORDER D DEF 14A DEFA14A DEFR14A FWP NO ACT NT 10-K NT 10-Q POS AM PRE 14A REGDEX S-3 S-3/A S-3ASR S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
SC 13G/A SC 13G/A 0000905718-08-000118 Feb 13, 2008
SC 13G/A 0000898432-08-000069 Feb 1, 2008
SC 13G/A 0000898432-07-000133 Feb 12, 2007
SC 13G/A SC13GAM2 0000905718-07-000047 Feb 2, 2007
SC 13G/A SC13GAM1 0000905718-06-000321 Oct 19, 2006
SC 13G/A 0000898432-06-000172 Feb 10, 2006
SC 13G/A AMENDMENT NO. 2 0001169232-06-000238 Jan 25, 2006
SC 13G/A AMEND NO. 1 TO SCHEDULE 13G 0001169232-05-000249 Jan 20, 2005
SC 13G/A 0000898432-03-000907 Sep 23, 2003
SC 13G/A SC 13G/A 0001047469-03-019934 May 28, 2003
SC 13G/A AMENDMENT NO. 4 0001169232-03-001445 Feb 18, 2003
SC 13G/A SC 13G/A 0001047469-03-004938 Feb 12, 2003
SC 13G/A SCHEDULE 13G/A 0001005477-02-000667 Feb 15, 2002
SC 13G/A SC 13G/A 0000912057-02-006199 Feb 14, 2002
SC 13G/A SCHEDULE 13G/A 0000950127-02-000224 Feb 13, 2002
SC 13G/A SCHEDULE 13G 0000912057-01-531084 Aug 31, 2001
SC 13G/A AMENDMENT NO. 2 TO SCHEDULE 13G 0001005477-01-000969 Feb 14, 2001
SC 13G/A 0000902219-01-000280 Feb 13, 2001
SC 13G/A AMENDMENT NO. 1 TO SCHEDULE 13G/A 0000950127-01-000078 Feb 8, 2001
SC 13G/A SCHEDULE 13G/A 0001005477-00-001246 Feb 14, 2000
SC 13G/A SCHEDULE 13G/A 0001047469-99-033963 Aug 27, 1999
SC 13G/A SCHEDULE 13G AMENDMENT NO. 1 0000922423-99-000263 Feb 16, 1999