PTC INC. — SC 13G/A Filings
82 SC 13G/A filings on record
This page lists all SC 13G/A filings submitted to the SEC by PTC INC. (PTC), sorted by most recent first. Each row links to the full filing on EdgarLookup. PTC INC. has filed 82 SC 13G/A documents with the SEC since 2016. To view all SEC filings by PTC INC., see the full filings list.
All
10-K
10-K405
10-K405/A
10-Q
10-Q/A
144
144/A
15-12G
3
3/A
4
4/A
424B2
424B3
424B5
424B7
5
5/A
8-A12G
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
FWP
NT 10-K
NT 10-Q
POS AM
PRE 14A
S-3
S-3/A
S-3ASR
S-4
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
SCHEDULE 13G/A
SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G/A | — | 0000913414-05-000713 | May 10, 2005 | — |
| SC 13G/A | PARAMETRIC TECH | 0001287695-05-000317 | Apr 8, 2005 | — |
| SC 13G/A | — | 0001097241-05-000056 | Feb 14, 2005 | — |
| SC 13G/A | — | 0001140361-05-001051 | Feb 7, 2005 | — |
| SC 13G/A | PARAMETRIC TECH | 0001287695-05-000104 | Jan 19, 2005 | — |
| SC 13G/A | PARAMETRIC TECH | 0001287695-04-000690 | Dec 7, 2004 | — |
| SC 13G/A | — | 0001140361-04-001033 | Feb 10, 2004 | — |
| SC 13G/A | — | 0000216543-04-000075 | Feb 5, 2004 | — |
| SC 13G/A | PARAMETRIC TECHNOLOGY CORP | 0000065103-04-000038 | Jan 27, 2004 | — |
| SC 13G/A | — | 0000766524-03-000155 | Feb 14, 2003 | — |
| SC 13G/A | PARAMETRIC TECHNOLOGY CORPORATION | 0001010521-03-000082 | Feb 11, 2003 | — |
| SC 13G/A | PHARAMETRIC TECHNOLOGY GROUP, AMENDMENT NO. 2 | 0000950152-03-000537 | Jan 22, 2003 | — |
| SC 13G/A | PARAMETRIC | 0000065103-03-000048 | Jan 9, 2003 | — |
| SC 13G/A | PARAMETRIC TECHNOLOGY GROUP, AMENDMENT NO. 1 | 0000950152-02-003899 | May 8, 2002 | — |
| SC 13G/A | — | 0000766524-02-000146 | Feb 15, 2002 | — |
| SC 13G/A | — | 0000766524-01-500317 | Apr 10, 2001 | — |
| SC 13G/A | — | 0000766524-01-500187 | Feb 20, 2001 | — |
| SC 13G/A | — | 0000080255-00-000397 | May 10, 2000 | — |
| SC 13G/A | 5% MONTHLY HOLDINGS REPORT | 0000766524-00-000175 | Feb 17, 2000 | — |
| SC 13G/A | SC 13G/A | 0000080255-00-000228 | Feb 8, 2000 | — |
| SC 13G/A | — | 0000080255-99-000457 | Mar 9, 1999 | — |
| SC 13G/A | 5% MONTHLY HOLDINGS REPORT | 0000766524-99-000511 | Feb 9, 1999 | — |
| SC 13G/A | — | 0000812295-98-000115 | Nov 10, 1998 | — |
| SC 13G/A | 5% MONTHLY HOLDINGS REPORT | 0000766524-98-000841 | Nov 6, 1998 | — |
| SC 13G/A | — | 0000812295-98-000114 | Oct 9, 1998 | — |
| SC 13G/A | — | 0000812295-98-000060 | Feb 13, 1998 | — |
| SC 13G/A | MONTHLY 5% HOLDINGS REPORT | 0000766524-98-000280 | Jan 26, 1998 | — |
| SC 13G/A | 5% MONTHLY HOLDINGS | 0000766524-97-000199 | Jan 30, 1997 | — |
| SC 13G/A | SCHEDULE 13G | 0000912057-96-022949 | Oct 16, 1996 | — |
| SC 13G/A | SCHEDULE 13G -7-10-96 - PARAMETRIC TECHNOLOGY CORPORATION | 0000315066-96-001771 | Jul 10, 1996 | — |
| SC 13G/A | SCHEDULE 13G -2-14-96 - PARAMETRIC TECHNOLOGY CORPORATION | 0000315066-96-001046 | Feb 14, 1996 | — |
| SC 13G/A | — | 0000748054-95-000025 | Feb 9, 1995 | — |