Aspen Technology, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Bedford, MA
SEC filing record 1 source field available
Fiscal year end
30 June
Aspen Technology, Inc. has filed 302 SEC EDGAR filings since 11 Jan 2022

SEC filing history

Showing 51-75 of 302 matching filings.

Per page
25
Current page
3
SC TO-C File 005-93677

SC TO-C

Filing date
07 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC14D9C File 005-93677

FORM SC14D9C

Filing date
04 Feb 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC14D9C File 005-93677

SC14D9C

Filing date
29 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC14D9C File 005-93677

SC14D9C

Filing date
27 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SCHEDULE 13D/A File 005-93677

SCHEDULE 13D/A filing

Filing date
27 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC TO-C File 005-93677

FORM SC TO-C

Filing date
27 Jan 2025
Reporting date
Not listed
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
06 Jan 2025
Reporting date
31 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
06 Jan 2025
Reporting date
31 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
06 Jan 2025
Reporting date
31 Dec 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
SC14D9C File 005-93677

SC14D9C

Filing date
20 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13G/A File 005-93677

SC 13G/A filing

Filing date
08 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC14D9C File 005-93677

SC14D9C

Filing date
06 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC TO-C File 005-93677

FORM SC TO-C

Filing date
05 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC TO-C File 005-93677

FORM SC TO-C

Filing date
05 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SC 13D/A File 005-93677

FORM SC 13D/A

Filing date
05 Nov 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
4

PRIMARY DOCUMENT

Filing date
25 Oct 2024
Reporting date
23 Oct 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
ARS File 001-41400

ARS

Filing date
24 Oct 2024
Reporting date
30 Jun 2024
SEC evidence
Open document Open filing
Next action
Verify source filing
DEFA14A File 001-41400

2024 PROXY NOTIC E

Filing date
24 Oct 2024
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .