Entity Type
Company
- Info
- Insider Trading
Filer Snapshot
ASPENTECH Corp SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0000929940.
Total Filings
1,871
Latest Filing
14 Feb 2023
Industry
Services Computer Programming Services
Save this filer page for the next filing cycle
Keep this page in your research queue, then return to compare new filings with prior context.
Save and revisit
Save this filer page
Create a free account to keep this page in your watchlists and return after a new SEC filing changes the record here.
Best next steps
Start with the latest filings table, then open the strongest context page for this filer.
- Use the filings table to verify the newest submission, form type, and report period.
- Open the deeper context page only when this filer actually has insider or ownership signal.
Source: SEC Schedule 13D/G
View Source Filing
SC 13G/A filed on 14 Feb 2023 for CIK 0000929940.
- Business address
- 20 Crosby Drive, Bedford, MA, 01730
- State of incorporation
- DE
- Fiscal year end
- 30 June
- Former names
- ASPEN TECHNOLOGY INC /DE/ (to 13 May 2022), ASPEN TECHNOLOGY INC /MA/ (to 15 May 1998)
Quick Takeaways
- ASPENTECH Corp is an SEC filer tracked under CIK 0000929940.
- 1,871 filings are listed on this profile.
- Common form coverage includes SC 13G/A, 15-12B, 4 and more.
What Changed
- Latest filing: SC 13G/A filed on 14 Feb 2023.
- Report period: not specified in filing header.
Why This Matters
- You can quote filing dates and form types directly from the SEC record on this page.
- Use this profile before deeper ownership or insider analysis to confirm filing history context.
Source Evidence
Source: SEC Schedule 13D/G
View Source Filing
SC 13G/A filed on 14 Feb 2023 for CIK 0000929940.
Return Loop
Why revisit this filer page
A newly filed SC 13G/A can change the filing history, ownership context, or next research path for ASPENTECH Corp.
- Latest source-backed update
- SC 13G/A filed 14 Feb 2023
- Why come back
- Revisit after a new SEC filing appears to compare the updated record with prior filings.
- Latest filing on record: SC 13G/A filed 14 Feb 2023.
- Save this filer if you want a stable place to return after the next filing cycle.
- Open the latest filing table or ownership context to verify what changed.
Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.
Filer Overview
ASPENTECH Corp has filed 1,871 SEC EDGAR filings since 03 Jan 1996. Common forms include SC 13G/A, 15-12B, 4, S-8 POS and more.
Latest Filings
Recent SEC filings for ASPENTECH Corp with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 14 Feb 2023 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Jun 2022 | 005-44607 | ||
| 15-12B | Open 15-12B document | View SEC filing for 15-12B | 15-12B | 26 May 2022 | 001-34630 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2022 | 16 May 2022 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | FORM S-8 POS | 18 May 2022 | 333-228978 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | FORM S-8 POS | 18 May 2022 | 333-215818 | |
| S-8 POS | Open S-8 POS document | View SEC filing for S-8 POS | FORM S-8 POS | 18 May 2022 | 333-169657 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 17 May 2022 | 16 May 2022 | 001-34630 |
| 25-NSE | Open 25-NSE document | View SEC filing for 25-NSE | 16 May 2022 | 001-34630 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 11 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 May 2022 | 12 May 2022 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 09 May 2022 | 005-44607 | ||
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 04 May 2022 | 001-34630 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 May 2022 | 04 May 2022 | 001-34630 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 03 May 2022 | 001-34630 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 03 May 2022 | 03 May 2022 | 001-34630 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 02 May 2022 | 001-34630 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 May 2022 | 02 May 2022 | 001-34630 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 28 Apr 2022 | 001-34630 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Apr 2022 | 21 Apr 2022 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Apr 2022 | 27 Apr 2022 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Apr 2022 | 31 Mar 2022 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 22 Apr 2022 | 18 Apr 2022 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Apr 2022 | 18 Apr 2022 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 20 Apr 2022 | 18 Apr 2022 | |
| DEFM14A | Open DEFM14A document | View SEC filing for DEFM14A | DEFM14A | 18 Apr 2022 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 06 Apr 2022 | 001-34630 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2022 | 31 Mar 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2022 | 31 Mar 2022 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 28 Mar 2022 | |||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 22 Mar 2022 | 001-34630 | |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 18 Mar 2022 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Mar 2022 | 13 Mar 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 Mar 2022 | 13 Mar 2022 | 001-34630 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 08 Mar 2022 | |||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 02 Mar 2022 | 001-34630 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2022 | 005-44607 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 14 Feb 2022 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 09 Feb 2022 | 005-44607 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 02 Feb 2022 | 001-34630 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 01 Feb 2022 | 005-44607 | ||
| 425 | Open 425 document | View SEC filing for 425 | 425 | 27 Jan 2022 | 001-34630 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 26 Jan 2022 | 26 Jan 2022 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 26 Jan 2022 | 31 Dec 2021 | 001-34630 |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 18 Jan 2022 | 001-34630 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2022 | 30 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2022 | 30 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2022 | 30 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2022 | 30 Dec 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2022 | 30 Dec 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 22 Dec 2021 | 21 Dec 2021 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 20 Dec 2021 | 14 Dec 2021 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Dec 2021 | 10 Dec 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 14 Dec 2021 | 10 Dec 2021 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 10 Dec 2021 | 005-44607 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 02 Dec 2021 | 001-34630 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Nov 2021 | 18 Nov 2021 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 17 Nov 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 03 Nov 2021 | 001-34630 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 28 Oct 2021 | 10 Dec 2021 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 28 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 28 Oct 2021 | 001-34630 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Oct 2021 | 27 Oct 2021 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Oct 2021 | 30 Sep 2021 | 001-34630 |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 21 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 13 Oct 2021 | 001-34630 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Oct 2021 | 10 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Oct 2021 | 10 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Oct 2021 | 10 Oct 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Oct 2021 | 10 Oct 2021 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | FORM 425 | 12 Oct 2021 | 001-34630 | |
| 425 | Open 425 document | View SEC filing for 425 | 425 | 12 Oct 2021 | 001-34630 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Oct 2021 | 10 Oct 2021 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2021 | 30 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2021 | 30 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2021 | 30 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2021 | 30 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2021 | 30 Sep 2021 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 15 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2021 | 01 Sep 2021 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 18 Aug 2021 | 30 Jun 2021 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 11 Aug 2021 | 11 Aug 2021 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Aug 2021 | 09 Aug 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 03 Aug 2021 | 02 Aug 2021 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 29 Jul 2021 | 27 Jul 2021 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Jul 2021 | 22 Jul 2021 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 15 Jul 2021 | 26 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Jul 2021 | 12 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Jul 2021 | 08 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jul 2021 | 06 Jul 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2021 | 30 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2021 | 30 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2021 | 30 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2021 | 30 Jun 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2021 | 30 Jun 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 14 Jun 2021 | 14 Jun 2021 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jun 2021 | 28 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2021 | 26 May 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2021 | 26 May 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 28 Apr 2021 | 28 Apr 2021 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Apr 2021 | 31 Mar 2021 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Apr 2021 | 21 Apr 2021 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 23 Apr 2021 | 21 Apr 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 21 Apr 2021 | 21 Apr 2021 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Apr 2021 | 15 Apr 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Apr 2021 | 13 Apr 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2021 | 31 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Mar 2021 | 22 Mar 2021 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 24 Mar 2021 | 22 Mar 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Mar 2021 | 08 Mar 2021 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 10 Mar 2021 | 08 Mar 2021 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 10 Mar 2021 | 005-44607 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 08 Mar 2021 | 08 Mar 2021 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Mar 2021 | 02 Mar 2021 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 12 Feb 2021 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2021 | 005-44607 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 11 Feb 2021 | 10 Feb 2021 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 11 Feb 2021 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2021 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2021 | 04 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2021 | 29 Jan 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Feb 2021 | 29 Jan 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 01 Feb 2021 | 29 Jan 2021 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2021 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Jan 2021 | 25 Jan 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 27 Jan 2021 | 27 Jan 2021 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Jan 2021 | 31 Dec 2020 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 13 Jan 2021 | 001-34630 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 06 Jan 2021 | 31 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2021 | 31 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2021 | 31 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2021 | 31 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2021 | 31 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2021 | 31 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Dec 2020 | 28 Dec 2020 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 30 Dec 2020 | 001-34630 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 22 Dec 2020 | 30 Sep 2020 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Dec 2020 | 005-44607 | ||
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 09 Dec 2020 | 30 Jun 2020 | 001-34630 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 09 Dec 2020 | 29 Jan 2021 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 09 Dec 2020 | 001-34630 | |
| 8-K/A | Open 8-K/A document | Open XBRL data | View SEC filing for 8-K/A | 8-K/A | 25 Nov 2020 | 12 Nov 2020 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 17 Nov 2020 | 12 Nov 2020 | 001-34630 |
| NT 10-Q | Open NT 10-Q document | View SEC filing for NT 10-Q | NT 10-Q | 10 Nov 2020 | 30 Sep 2020 | 001-34630 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 09 Nov 2020 | 005-44607 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 Nov 2020 | 05 Nov 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Oct 2020 | 26 Oct 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2020 | 30 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2020 | 30 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2020 | 30 Sep 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2020 | 30 Sep 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 23 Sep 2020 | 17 Sep 2020 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 18 Sep 2020 | 14 Sep 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Sep 2020 | 14 Sep 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 16 Sep 2020 | 14 Sep 2020 | |
| NT 10-K | Open NT 10-K document | View SEC filing for NT 10-K | NT 10-K | 01 Sep 2020 | 30 Jun 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Aug 2020 | 24 Aug 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Aug 2020 | 12 Aug 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jul 2020 | 22 Jul 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 24 Jul 2020 | 22 Jul 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Jul 2020 | 22 Jul 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 24 Jul 2020 | 22 Jul 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 23 Jul 2020 | 22 Jul 2020 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 22 Jul 2020 | 22 Jul 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 30 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 30 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 30 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2020 | 30 Jun 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2020 | 26 May 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 21 May 2020 | 19 May 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2020 | 20 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 May 2020 | 15 May 2020 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 11 May 2020 | 005-44607 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 May 2020 | 06 May 2020 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 May 2020 | 31 Mar 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Apr 2020 | 27 Apr 2020 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 15 Apr 2020 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 03 Apr 2020 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2020 | 31 Mar 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2020 | 31 Mar 2020 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 26 Mar 2020 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 13 Mar 2020 | |||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Mar 2020 | 01 Mar 2020 | 001-34630 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 03 Mar 2020 | |||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 14 Feb 2020 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 14 Feb 2020 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2020 | 005-44607 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Feb 2020 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jan 2020 | 27 Jan 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 29 Jan 2020 | 29 Jan 2020 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 29 Jan 2020 | 31 Dec 2019 | 001-34630 |
| 3/A | Open 3/A document | View SEC filing for 3/A | PRIMARY DOCUMENT | 27 Jan 2020 | 14 Jan 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 27 Jan 2020 | 14 Jan 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Jan 2020 | 13 Jan 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 15 Jan 2020 | 13 Jan 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 15 Jan 2020 | 13 Jan 2020 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2020 | 31 Dec 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2020 | 31 Dec 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2020 | 31 Dec 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2020 | 31 Dec 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 23 Dec 2019 | 23 Dec 2019 | 001-34630 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Dec 2019 | 12 Dec 2019 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 03 Dec 2019 | 001-34630 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Oct 2019 | 28 Oct 2019 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 30 Oct 2019 | 30 Oct 2019 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 30 Oct 2019 | 30 Sep 2019 | 001-34630 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 28 Oct 2019 | 12 Dec 2019 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 28 Oct 2019 | 001-34630 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2019 | 30 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2019 | 30 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2019 | 30 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2019 | 30 Sep 2019 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 10 Sep 2019 | 30 Jun 2019 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Sep 2019 | 05 Sep 2019 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2019 | 03 Sep 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Sep 2019 | 03 Sep 2019 | 001-34630 |
| NT 10-K | Open NT 10-K document | View SEC filing for NT 10-K | NT 10-K | 30 Aug 2019 | 30 Jun 2019 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Aug 2019 | 12 Aug 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Aug 2019 | 02 Aug 2019 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Aug 2019 | 07 Aug 2019 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Jul 2019 | 25 Jul 2019 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 16 Jul 2019 | 12 Jul 2019 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2019 | 28 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2019 | 28 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2019 | 28 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2019 | 28 Jun 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 May 2019 | 06 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 May 2019 | 02 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 May 2019 | 29 Apr 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 May 2019 | 29 Apr 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Apr 2019 | 24 Apr 2019 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 24 Apr 2019 | 31 Mar 2019 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Apr 2019 | 17 Apr 2019 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 19 Apr 2019 | 17 Apr 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 18 Apr 2019 | 17 Apr 2019 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2019 | 29 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2019 | 29 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2019 | 29 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2019 | 29 Mar 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Feb 2019 | 20 Feb 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 14 Feb 2019 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 13 Feb 2019 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | NONE | 12 Feb 2019 | 005-44607 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 12 Feb 2019 | 005-44607 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2019 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Feb 2019 | 31 Jan 2019 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 04 Feb 2019 | 005-44607 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Feb 2019 | 31 Jan 2019 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Jan 2019 | 28 Jan 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 23 Jan 2019 | 23 Jan 2019 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 23 Jan 2019 | 31 Dec 2018 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2019 | 31 Dec 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2019 | 31 Dec 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2019 | 31 Dec 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2019 | 31 Dec 2018 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 21 Dec 2018 | 333-228978 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Dec 2018 | 07 Dec 2018 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Nov 2018 | 21 Nov 2018 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 26 Nov 2018 | 001-34630 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Nov 2018 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Nov 2018 | 30 Oct 2018 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 26 Oct 2018 | 07 Dec 2018 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 26 Oct 2018 | 001-34630 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Oct 2018 | 24 Oct 2018 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 24 Oct 2018 | 30 Sep 2018 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2018 | 28 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2018 | 28 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2018 | 28 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2018 | 28 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2018 | 04 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Aug 2018 | 22 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Aug 2018 | 20 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Aug 2018 | 13 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Aug 2018 | 13 Aug 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Aug 2018 | 13 Aug 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Aug 2018 | 06 Aug 2018 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Aug 2018 | 06 Aug 2018 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 08 Aug 2018 | 06 Aug 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Aug 2018 | 08 Aug 2018 | 001-34630 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 08 Aug 2018 | 30 Jun 2018 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 27 Jul 2018 | 26 Jul 2018 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jul 2018 | 29 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jul 2018 | 29 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jul 2018 | 29 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jun 2018 | 01 Jun 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 May 2018 | 24 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 May 2018 | 23 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 May 2018 | 04 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 May 2018 | 02 May 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2018 | 30 Apr 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 May 2018 | 30 Apr 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Apr 2018 | 25 Apr 2018 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 25 Apr 2018 | 31 Mar 2018 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2018 | 29 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2018 | 29 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2018 | 29 Mar 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2018 | 16 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2018 | 14 Feb 2018 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | NONE | 15 Feb 2018 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2018 | 12 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Feb 2018 | 12 Feb 2018 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 14 Feb 2018 | 005-44607 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | NONE | 13 Feb 2018 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2018 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2018 | 07 Feb 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 Feb 2018 | 05 Feb 2018 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2018 | 005-44607 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Jan 2018 | 24 Jan 2018 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 24 Jan 2018 | 31 Dec 2017 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2018 | 29 Dec 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2018 | 29 Dec 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2018 | 29 Dec 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Dec 2017 | 08 Dec 2017 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2017 | 03 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Nov 2017 | 01 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Nov 2017 | 31 Oct 2017 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 30 Oct 2017 | 08 Dec 2017 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 30 Oct 2017 | 001-34630 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Oct 2017 | 26 Oct 2017 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 26 Oct 2017 | 30 Sep 2017 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2017 | 29 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2017 | 29 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2017 | 29 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2017 | 01 Sep 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Aug 2017 | 23 Aug 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Aug 2017 | 15 Aug 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Aug 2017 | 10 Aug 2017 | 001-34630 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 10 Aug 2017 | 30 Jun 2017 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Jul 2017 | 13 Jul 2017 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2017 | 30 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2017 | 30 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2017 | 30 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2017 | 30 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Jun 2017 | 13 Jun 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 May 2017 | 02 May 2017 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 May 2017 | 31 Mar 2017 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Apr 2017 | 03 Apr 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2017 | 31 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2017 | 31 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2017 | 31 Mar 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2017 | 31 Mar 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Mar 2017 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Mar 2017 | 27 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2017 | 17 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Feb 2017 | 16 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 14 Feb 2017 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2017 | 10 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 10 Feb 2017 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Feb 2017 | 08 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Feb 2017 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 06 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2017 | 06 Feb 2017 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 03 Feb 2017 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Feb 2017 | 31 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Feb 2017 | 31 Jan 2017 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 31 Jan 2017 | 333-215818 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Jan 2017 | 26 Jan 2017 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 26 Jan 2017 | 31 Dec 2016 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 19 Jan 2017 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2017 | 04 Jan 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2017 | 30 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2017 | 30 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2017 | 30 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2017 | 30 Dec 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Dec 2016 | 20 Dec 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 12 Dec 2016 | 08 Dec 2016 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Dec 2016 | 07 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Nov 2016 | 18 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Nov 2016 | 17 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2016 | 04 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Nov 2016 | 03 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Nov 2016 | 01 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Nov 2016 | 01 Nov 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 27 Oct 2016 | 27 Oct 2016 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 27 Oct 2016 | 30 Sep 2016 | 001-34630 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 26 Oct 2016 | 08 Dec 2016 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 26 Oct 2016 | 001-34630 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Oct 2016 | 19 Oct 2016 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Oct 2016 | 05 Oct 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2016 | 30 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2016 | 30 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2016 | 30 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Oct 2016 | 30 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Sep 2016 | 06 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2016 | 01 Sep 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Aug 2016 | 29 Aug 2016 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Aug 2016 | 25 Aug 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Aug 2016 | 11 Aug 2016 | 001-34630 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 11 Aug 2016 | 30 Jun 2016 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jul 2016 | 21 Jul 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Jul 2016 | 21 Jul 2016 | 001-34630 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 25 Jul 2016 | 21 Jul 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Jul 2016 | 21 Jul 2016 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2016 | 30 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2016 | 30 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2016 | 30 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2016 | 30 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Jun 2016 | 10 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Jun 2016 | 06 Jun 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 May 2016 | 05 May 2016 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 29 Apr 2016 | 20 Apr 2016 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 28 Apr 2016 | 28 Apr 2016 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Apr 2016 | 31 Mar 2016 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2016 | 31 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2016 | 31 Mar 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2016 | 31 Mar 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Feb 2016 | 26 Feb 2016 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 18 Feb 2016 | 17 Feb 2016 | 001-34630 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SEC SCHEDULE 13G | 16 Feb 2016 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 12 Feb 2016 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2016 | 005-44607 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ASPEN TECHNOLOGY INC | 02 Feb 2016 | 005-44607 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Jan 2016 | 28 Jan 2016 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Jan 2016 | 31 Dec 2015 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 25 Jan 2016 | 005-44607 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 19 Jan 2016 | 12 Jan 2016 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2016 | 31 Dec 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2016 | 31 Dec 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2016 | 31 Dec 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Dec 2015 | 11 Dec 2015 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Nov 2015 | 13 Nov 2015 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 13 Nov 2015 | 001-34630 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Oct 2015 | 29 Oct 2015 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 29 Oct 2015 | 30 Sep 2015 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 23 Oct 2015 | 001-34630 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 23 Oct 2015 | 10 Dec 2015 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2015 | 30 Sep 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2015 | 30 Sep 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2015 | 30 Sep 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2015 | 01 Oct 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 01 Oct 2015 | 01 Oct 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Sep 2015 | 28 Sep 2015 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Aug 2015 | 25 Aug 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Aug 2015 | 13 Aug 2015 | 001-34630 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 13 Aug 2015 | 30 Jun 2015 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Jul 2015 | 22 Jul 2015 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Jul 2015 | 20 Jul 2015 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2015 | 30 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2015 | 30 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2015 | 30 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2015 | 30 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2015 | 02 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2015 | 03 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2015 | 01 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jun 2015 | 01 Jun 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 May 2015 | 27 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 May 2015 | 27 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 May 2015 | 22 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 May 2015 | 22 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2015 | 21 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 May 2015 | 19 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2015 | 19 May 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 May 2015 | 18 May 2015 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 12 May 2015 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Apr 2015 | 27 Apr 2015 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Apr 2015 | 28 Apr 2015 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Apr 2015 | 31 Mar 2015 | 001-34630 |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 03 Apr 2015 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2015 | 31 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2015 | 31 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2015 | 31 Mar 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2015 | 31 Mar 2015 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 20 Mar 2015 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2015 | 19 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Feb 2015 | 17 Feb 2015 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 13 Feb 2015 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2015 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2015 | 04 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Feb 2015 | 03 Feb 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Jan 2015 | 28 Jan 2015 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Jan 2015 | 31 Dec 2014 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 22 Jan 2015 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2015 | 31 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2015 | 31 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2015 | 31 Dec 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jan 2015 | 31 Dec 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 Dec 2014 | 04 Dec 2014 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 19 Nov 2014 | 17 Nov 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Nov 2014 | 11 Nov 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Oct 2014 | 28 Oct 2014 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 28 Oct 2014 | 30 Sep 2014 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 24 Oct 2014 | 001-34630 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 24 Oct 2014 | 04 Dec 2014 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Sep 2014 | 05 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Sep 2014 | 03 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Sep 2014 | 02 Sep 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Aug 2014 | 25 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Aug 2014 | 26 Aug 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Aug 2014 | 13 Aug 2014 | 001-34630 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 13 Aug 2014 | 30 Jun 2014 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2014 | 01 Aug 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Jul 2014 | 23 Jul 2014 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Jun 2014 | 05 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jun 2014 | 04 Jun 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 May 2014 | 28 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2014 | 23 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2014 | 23 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 May 2014 | 23 May 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2014 | 20 May 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Apr 2014 | 29 Apr 2014 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 29 Apr 2014 | 31 Mar 2014 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Feb 2014 | 25 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Feb 2014 | 20 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Feb 2014 | 18 Feb 2014 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2014 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2014 | 11 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Feb 2014 | 10 Feb 2014 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2014 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2014 | 06 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Feb 2014 | 06 Feb 2014 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 07 Feb 2014 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Feb 2014 | 04 Feb 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Jan 2014 | 30 Jan 2014 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 30 Jan 2014 | 31 Dec 2013 | 001-34630 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 28 Jan 2014 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2014 | 31 Dec 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2014 | 31 Dec 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 Dec 2013 | 05 Dec 2013 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Nov 2013 | 08 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Nov 2013 | 07 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2013 | 01 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2013 | 04 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2013 | 01 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2013 | 01 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Nov 2013 | 01 Nov 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Oct 2013 | 29 Oct 2013 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 29 Oct 2013 | 30 Sep 2013 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 25 Oct 2013 | 001-34630 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 25 Oct 2013 | 05 Dec 2013 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2013 | 30 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2013 | 30 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2013 | 30 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2013 | 30 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2013 | 30 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Sep 2013 | 13 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Sep 2013 | 13 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Sep 2013 | 09 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Sep 2013 | 06 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Sep 2013 | 05 Sep 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Aug 2013 | 26 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 26 Aug 2013 | 23 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Aug 2013 | 20 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 Aug 2013 | 20 Aug 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 15 Aug 2013 | 15 Aug 2013 | 001-34630 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 15 Aug 2013 | 30 Jun 2013 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Aug 2013 | 09 Aug 2013 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2013 | 01 Aug 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Jul 2013 | 24 Jul 2013 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2013 | 28 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2013 | 28 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2013 | 28 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2013 | 28 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jul 2013 | 28 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Jun 2013 | 06 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Jun 2013 | 04 Jun 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2013 | 22 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 22 May 2013 | 20 May 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2013 | 13 May 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Apr 2013 | 24 Apr 2013 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Apr 2013 | 30 Apr 2013 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 30 Apr 2013 | 31 Mar 2013 | 001-34630 |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 12 Apr 2013 | 29 Mar 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2013 | 29 Mar 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2013 | 29 Mar 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2013 | 29 Mar 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2013 | 29 Mar 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Apr 2013 | 29 Mar 2013 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 01 Apr 2013 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 18 Mar 2013 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Mar 2013 | 07 Mar 2013 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 08 Mar 2013 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Mar 2013 | 05 Mar 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Mar 2013 | 27 Feb 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2013 | 20 Feb 2013 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2013 | 005-44607 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 13 Feb 2013 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2013 | 05 Feb 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2013 | 05 Feb 2013 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 07 Feb 2013 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2013 | 01 Feb 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Feb 2013 | 01 Feb 2013 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 30 Jan 2013 | 005-44607 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Jan 2013 | 28 Jan 2013 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Jan 2013 | 29 Jan 2013 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 29 Jan 2013 | 31 Dec 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2013 | 31 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2013 | 31 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jan 2013 | 31 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jan 2013 | 31 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jan 2013 | 31 Dec 2012 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | PRIMARY DOCUMENT | 27 Dec 2012 | 12 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 Dec 2012 | 14 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Dec 2012 | 11 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Dec 2012 | 06 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Dec 2012 | 05 Dec 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 Dec 2012 | 06 Dec 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Dec 2012 | 03 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Dec 2012 | 04 Dec 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Dec 2012 | 30 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Nov 2012 | 27 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 20 Nov 2012 | 16 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Nov 2012 | 14 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Nov 2012 | 15 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Nov 2012 | 09 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2012 | 05 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2012 | 06 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2012 | 05 Nov 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Nov 2012 | 05 Nov 2012 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 01 Nov 2012 | 30 Sep 2012 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Nov 2012 | 01 Nov 2012 | 001-34630 |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | 8-K/A | 30 Oct 2012 | 25 Jul 2012 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 25 Oct 2012 | 001-34630 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 25 Oct 2012 | 06 Dec 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2012 | 28 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2012 | 28 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2012 | 28 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2012 | 28 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Oct 2012 | 28 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Sep 2012 | 12 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Sep 2012 | 12 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Sep 2012 | 13 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Sep 2012 | 12 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Sep 2012 | 07 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2012 | 05 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Sep 2012 | 05 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 31 Aug 2012 | 29 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Aug 2012 | 28 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Aug 2012 | 27 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Aug 2012 | 27 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Aug 2012 | 24 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Aug 2012 | 24 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 24 Aug 2012 | 23 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Aug 2012 | 21 Aug 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Aug 2012 | 21 Aug 2012 | 001-34630 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | ASPEN TECHNOLOGY 10-K 6-30-2012 | 21 Aug 2012 | 30 Jun 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2012 | 01 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Aug 2012 | 31 Jul 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Jul 2012 | 31 Jul 2012 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 26 Jul 2012 | 25 Jul 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 30 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 30 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 30 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 30 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Jul 2012 | 30 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 29 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 29 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 29 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 29 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Jun 2012 | 29 Jun 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Jun 2012 | 14 Jun 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Jun 2012 | 06 Jun 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jun 2012 | 29 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Jun 2012 | 31 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 May 2012 | 25 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 May 2012 | 24 May 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 May 2012 | 21 May 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 May 2012 | 17 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2012 | 11 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 May 2012 | 11 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2012 | 08 May 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 May 2012 | 07 May 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 May 2012 | 01 May 2012 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | ASPEN TECHNOLOGY, INC 10-Q 3-31-2012 | 01 May 2012 | 31 Mar 2012 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2012 | 30 Mar 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2012 | 30 Mar 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2012 | 30 Mar 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2012 | 30 Mar 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Apr 2012 | 30 Mar 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Feb 2012 | 27 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Feb 2012 | 23 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2012 | 17 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 21 Feb 2012 | 16 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2012 | 14 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2012 | 13 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2012 | 13 Feb 2012 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 14 Feb 2012 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2012 | 005-44607 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 14 Feb 2012 | 005-44607 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G AMENDMENT NO. 1 | 14 Feb 2012 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 13 Feb 2012 | 09 Feb 2012 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2012 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Feb 2012 | 06 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2012 | 03 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2012 | 03 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 07 Feb 2012 | 03 Feb 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 31 Jan 2012 | 31 Jan 2012 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | ASPEN TECHNOLOGY INC 10-Q 12-31-2011 | 31 Jan 2012 | 31 Dec 2011 | 001-34630 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 13 Jan 2012 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 05 Jan 2012 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 30 Dec 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 30 Dec 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 30 Dec 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2012 | 30 Dec 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Jan 2012 | 29 Dec 2011 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 20 Dec 2011 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 14 Dec 2011 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Dec 2011 | 08 Dec 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 09 Dec 2011 | 08 Dec 2011 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Dec 2011 | 06 Dec 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 Dec 2011 | 02 Dec 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 02 Dec 2011 | 30 Nov 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 01 Dec 2011 | 29 Nov 2011 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 30 Nov 2011 | |||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 Nov 2011 | 08 Nov 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 09 Nov 2011 | 08 Nov 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Nov 2011 | 04 Nov 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Nov 2011 | 01 Nov 2011 | 001-34630 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | ASPEN TECHNOLOGY, INC 10-Q 9-30-2011 | 01 Nov 2011 | 30 Sep 2011 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 28 Oct 2011 | 001-34630 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 28 Oct 2011 | 08 Dec 2011 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Oct 2011 | 27 Oct 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2011 | 30 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2011 | 30 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2011 | 30 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2011 | 30 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Oct 2011 | 30 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Sep 2011 | 14 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Sep 2011 | 13 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 12 Sep 2011 | 08 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 08 Sep 2011 | 07 Sep 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 30 Aug 2011 | 26 Aug 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Aug 2011 | 23 Aug 2011 | 001-34630 |
| 10-K | Open 10-K document | View SEC filing for 10-K | 10-K | 23 Aug 2011 | 30 Jun 2011 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 03 Aug 2011 | 01 Aug 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 20 Jul 2011 | 14 Jul 2011 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 May 2011 | 19 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 17 May 2011 | 13 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 May 2011 | 12 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 May 2011 | 09 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 May 2011 | 09 May 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 10 May 2011 | 06 May 2011 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SC 13D/A | 10 May 2011 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 06 May 2011 | 04 May 2011 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 06 May 2011 | 04 May 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 May 2011 | 04 May 2011 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 May 2011 | 03 May 2011 | 001-34630 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | 10-Q | 03 May 2011 | 31 Mar 2011 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 27 Apr 2011 | 25 Apr 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2011 | 31 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2011 | 31 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2011 | 31 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2011 | 31 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Apr 2011 | 31 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Mar 2011 | 14 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Feb 2011 | 18 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 23 Feb 2011 | 22 Feb 2011 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SC 13D/A | 23 Feb 2011 | 005-44607 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2011 | 16 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 18 Feb 2011 | 17 Feb 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 16 Feb 2011 | 15 Feb 2011 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2011 | 15 Feb 2011 | |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 16 Feb 2011 | 15 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 16 Feb 2011 | 15 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 15 Feb 2011 | 11 Feb 2011 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2011 | 005-44607 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2011 | 005-44607 | ||
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 11 Feb 2011 | 09 Feb 2011 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | AMENDMENT NO. 3 | 11 Feb 2011 | 005-44607 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SC 13G | 11 Feb 2011 | 005-44607 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ASPEN TECHNOLOGY, INC 13G 123110 | 10 Feb 2011 | 005-44607 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | ASPEN TECHNOLOGY, INC. | 08 Feb 2011 | 005-44607 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Feb 2011 | 08 Feb 2011 | 001-34630 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | 10-Q | 08 Feb 2011 | 31 Dec 2010 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jan 2011 | 26 Jan 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 14 Jan 2011 | 14 Jan 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2011 | 30 Dec 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2011 | 30 Dec 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2011 | 30 Dec 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2011 | 30 Dec 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 04 Jan 2011 | 30 Dec 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 29 Dec 2010 | 27 Dec 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Dec 2010 | 16 Dec 2010 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Dec 2010 | 13 Dec 2010 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 13 Dec 2010 | 001-34630 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Nov 2010 | 02 Nov 2010 | 001-34630 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | 10-Q | 02 Nov 2010 | 30 Sep 2010 | 001-34630 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFA14A | 28 Oct 2010 | 001-34630 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 28 Oct 2010 | 16 Dec 2010 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Oct 2010 | 30 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Oct 2010 | 30 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Oct 2010 | 30 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Oct 2010 | 30 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Oct 2010 | 30 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Oct 2010 | 30 Sep 2010 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SC 13D/A | 30 Sep 2010 | 005-44607 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | ASPEN TECHNOLOGY INITIAL13G - 093010 | 30 Sep 2010 | 005-44607 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 29 Sep 2010 | 333-169657 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Sep 2010 | 28 Sep 2010 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 27 Sep 2010 | 005-44607 | ||
| 424B1 | Open 424B1 document | View SEC filing for 424B1 | 424(B)(1) | 23 Sep 2010 | 333-168409 | |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 22 Sep 2010 | 333-168409 | ||
| S-1MEF | Open S-1MEF document | View SEC filing for S-1MEF | S-1MEF | 22 Sep 2010 | 333-169538 | |
| S-1/A | Open S-1/A document | View SEC filing for S-1/A | S-1/A | 22 Sep 2010 | 333-168409 | |
| S-1/A | Open S-1/A document | View SEC filing for S-1/A | S-1/A | 21 Sep 2010 | 333-168409 | |
| S-1/A | Open S-1/A document | View SEC filing for S-1/A | S-1/A | 15 Sep 2010 | 333-168409 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Sep 2010 | 02 Sep 2010 | 001-34630 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Sep 2010 | 02 Sep 2010 | 001-34630 |
| 10-K | Open 10-K document | View SEC filing for 10-K | 10-K | 02 Sep 2010 | 30 Jun 2010 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Aug 2010 | 29 Jul 2010 | 001-34630 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 04 Aug 2010 | 02 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 - | 02 Aug 2010 | 29 Jul 2010 |
About this filer
ASPENTECH Corp files with the SEC under CIK 0000929940. This page aggregates EDGAR filings and related ownership activity.
Industry: Services Computer Programming Services.
FAQ
- What is a CIK?
- A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
- Why are some filings missing?
- New filings appear as the SEC updates EDGAR, and older records can vary by availability.
- How often is this page updated?
- Updates follow new EDGAR submissions and periodic data refreshes.