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SYNOPSYS INC — SC 13G/A Filings

107 SC 13G/A filings on record

This page lists all SC 13G/A filings submitted to the SEC by SYNOPSYS INC (SNPS), sorted by most recent first. Each row links to the full filing on EdgarLookup. SYNOPSYS INC has filed 107 SC 13G/A documents with the SEC since 2015. To view all SEC filings by SYNOPSYS INC, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-K405 10-Q 10-Q/A 144 15-12G 3 3/A 4 4/A 424B3 424B5 425 5 8-A12G 8-A12G/A 8-K 8-K/A ARS CORRESP CT ORDER D DEF 14A DEFA14A DEFM14A DEFR14A DEFS14A DFAN14A EFFECT FWP NO ACT POS AM PRE 14A PX14A6G RW S-3 S-3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SC TO-T SC TO-T/A SCHEDULE 13G SCHEDULE 13G/A SD UPLOAD
Form Description Accession Number Filed Period
SC 13G/A AMENDMENT 1 TO FORM 13G 0000728889-06-000383 May 3, 2006
SC 13G/A 12/31/05 13G/A FILING 0000350440-06-000018 Feb 13, 2006
SC 13G/A 0000913414-05-000832 Oct 11, 2005
SC 13G/A 12/31/04 13G/A FILING 0000350440-05-000034 Feb 11, 2005
SC 13G/A 0000813917-04-000091 Dec 9, 2004
SC 13G/A DOC ONE 0000315066-04-002093 Sep 10, 2004
SC 13G/A DOC ONE 0000315066-04-001088 Feb 17, 2004
SC 13G/A 12/31/03 13G/A FILING 0000350440-04-000025 Feb 11, 2004
SC 13G/A 6/30/03 13G/A FILING 0000350440-03-000044 Jul 10, 2003
SC 13G/A DOC ONE 0000315066-03-002016 Feb 14, 2003
SC 13G/A 12/31/02 13G/A FILING 0000350440-03-000025 Feb 11, 2003
SC 13G/A AMENDMENT NO. 2 TO SCHEDULE 13G 0000891618-02-005361 Nov 27, 2002
SC 13G/A DOC ONE 0000315066-02-002439 Oct 10, 2002
SC 13G/A SCHEDULE 13G/A 0000891618-02-000746 Feb 14, 2002
SC 13G/A SCHEDULE 13G/A 0000891618-02-000744 Feb 14, 2002
SC 13G/A 12/31/01 13G/A FILING 0000350440-02-000045 Feb 14, 2002
SC 13G/A 9/30/01 13G/A FILING 0000350440-01-500293 Oct 12, 2001
SC 13G/A DOC ONE 0000315066-01-500156 May 10, 2001
SC 13G/A 2/28/01 13G/A FILING 0000350440-01-500253 Mar 9, 2001
SC 13G/A SCHEDULE 13G - 03-10-01 - SYNOPSYS INCORPORATED 0000315066-01-000936 Mar 9, 2001
SC 13G/A 0000766524-01-500240 Feb 22, 2001
SC 13G/A SCHEDULE 13G - 02-14-01 - SYNOPSYS INCORPORATED 0000315066-01-000753 Feb 14, 2001
SC 13G/A 0000080255-01-000301 Feb 13, 2001
SC 13G/A 12/31/00 13G/A FILING 0000350440-01-500230 Feb 1, 2001
SC 13G/A 0000950144-01-000867 Jan 10, 2001
SC 13G/A SCHEDULE 13G/A 0000350440-00-000186 Nov 9, 2000
SC 13G/A SCHEDULE 13G/A 0000350440-00-000168 Oct 16, 2000
SC 13G/A 0000080255-00-000421 Jul 7, 2000
SC 13G/A 5% MONTHLY HOLDINGS REPORT 0000766524-00-000229 Feb 18, 2000
SC 13G/A SYNOPSYS, INC. 0000912938-00-000171 Feb 11, 2000
SC 13G/A SCHEDULE 13G/A 0000350440-00-000071 Feb 10, 2000
SC 13G/A SC 13G/A 0000080255-00-000312 Feb 9, 2000
SC 13G/A 0000950144-00-001461 Feb 4, 2000
SC 13G/A AMENDMENT NO. 1 TO SCHEDULE 13G 0000899140-99-000232 Apr 6, 1999
SC 13G/A 0000080255-99-000458 Mar 9, 1999
SC 13G/A SYNOPSYS, INC. 0000912938-99-000115 Feb 11, 1999
SC 13G/A 5% MONTHLY HOLDINGS REPORT 0000766524-99-000582 Feb 11, 1999
SC 13G/A 0000080255-99-000371 Feb 11, 1999
SC 13G/A 0000080255-98-000396 Nov 10, 1998
SC 13G/A SCHEDULE 13G/A 0000350440-98-000147 Sep 17, 1998
SC 13G/A SYNOPSYS, INC. 0000912938-98-000203 Mar 17, 1998
SC 13G/A SYNOPSYS, INC. 0000912938-98-000196 Mar 17, 1998
SC 13G/A SCHEDULE 13G - 3-10-98 - SYNOPSYS INCORPORATED 0000315066-98-001385 Mar 10, 1998
SC 13G/A SYNOPSYS, INC. 0000912938-98-000134 Feb 12, 1998
SC 13G/A SCHEDULE 13G/A 0000350440-98-000064 Feb 12, 1998
SC 13G/A 0000080255-98-000304 Feb 12, 1998
SC 13G/A 0000912057-98-000465 Feb 11, 1998
SC 13G/A SCHEDULE 13G -2-14-98 - SYNOPSYS INCORPORATED 0000315066-98-001122 Feb 11, 1998
SC 13G/A MONTHLY 5% HOLDINGS REPORT 0000766524-98-000340 Jan 27, 1998
SC 13G/A SYNOPSYS, INC. 0000912938-97-000289 May 13, 1997