SYNOPSYS INC — SC 13D/A Filings
12 SC 13D/A filings on record
This page lists all SC 13D/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 12 SC 13D/A documents with the SEC since 2015. To view all SEC filings by SYNOPSYS INC, see the full filings list.
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 13D/A | SC 13D/A | 0001104659-05-046862 | Oct 3, 2005 | — |
| SC 13D/A | SC 13D/A | 0001104659-05-045788 | Sep 27, 2005 | — |
| SC 13D/A | — | 0000938775-04-000166 | Nov 10, 2004 | — |
| SC 13D/A | — | 0000938775-04-000069 | May 17, 2004 | — |
| SC 13D/A | SC 13D/A | 0001047469-04-012695 | Apr 20, 2004 | — |
| SC 13D/A | — | 0000938775-04-000033 | Mar 8, 2004 | — |
| SC 13D/A | — | 0000938775-03-000094 | Sep 2, 2003 | — |
| SC 13D/A | — | 0000938775-03-000061 | Jul 17, 2003 | — |
| SC 13D/A | — | 0000938775-03-000016 | May 30, 2003 | — |
| SC 13D/A | — | 0000938775-01-500092 | Sep 24, 2001 | — |
| SC 13D/A | SCHEDULE 13D AMENDMENT 2 | 0000891618-97-002868 | Jul 10, 1997 | — |
| SC 13D/A | AMENDMENT NO. 1 TO SCHEDULE 13D | 0000891618-97-000455 | Feb 12, 1997 | — |