ASPENTECH Corp SEC filing history

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SEC filing history

Showing 851–875 of 1,000 matching filings.

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CORRESP

CORRESP filing

Filing date: 14 Dec 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 12 Dec 2011
Reporting date: 08 Dec 2011
SEC evidence: Open document Open filing
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8-K File 001-34630

8-K

Filing date: 09 Dec 2011
Reporting date: 08 Dec 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 08 Dec 2011
Reporting date: 06 Dec 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 06 Dec 2011
Reporting date: 02 Dec 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 02 Dec 2011
Reporting date: 30 Nov 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 01 Dec 2011
Reporting date: 29 Nov 2011
SEC evidence: Open document Open filing
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UPLOAD

UPLOAD filing

Filing date: 30 Nov 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 10 Nov 2011
Reporting date: 08 Nov 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 09 Nov 2011
Reporting date: 08 Nov 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 08 Nov 2011
Reporting date: 04 Nov 2011
SEC evidence: Open document Open filing
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8-K File 001-34630

8-K

Filing date: 01 Nov 2011
Reporting date: 01 Nov 2011
SEC evidence: Open document Open filing
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10-Q File 001-34630

ASPEN TECHNOLOGY, INC 10-Q 9-30-2011

Filing date: 01 Nov 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing Open XBRL
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DEFA14A File 001-34630

DEFA14A

Filing date: 28 Oct 2011
Reporting date: Not listed
SEC evidence: Open document Open filing
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DEF 14A File 001-34630

DEF 14A

Filing date: 28 Oct 2011
Reporting date: 08 Dec 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 28 Oct 2011
Reporting date: 27 Oct 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 03 Oct 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 03 Oct 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 03 Oct 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 03 Oct 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 03 Oct 2011
Reporting date: 30 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 15 Sep 2011
Reporting date: 14 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 15 Sep 2011
Reporting date: 13 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 12 Sep 2011
Reporting date: 08 Sep 2011
SEC evidence: Open document Open filing
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PRIMARY DOCUMENT

Filing date: 08 Sep 2011
Reporting date: 07 Sep 2011
SEC evidence: Open document Open filing
Next action: Verify source filing