Aspen Technology, Inc. SEC Filings

Filing date	Form	Description	Filing Group	View
01/11/22	S-4	Registration of securities issued in business combination transactions	Registration Statements	View HTML 0001140361-22-001374.pdf 0001140361-22-001374.rtf 0001140361-22-001374.xls
02/09/22	UPLOAD	UPLOAD	Other	View HTML 0000000000-22-001636.pdf 0000000000-22-001636.rtf
02/22/22	S-4/A	Pre-effective amendment to an S-4 filing	Registration Statements	View HTML 0001140361-22-006281.pdf 0001140361-22-006281.rtf 0001140361-22-006281.xls
02/22/22	CORRESP	CORRESP	Other	View HTML 0001140361-22-006282.pdf 0001140361-22-006282.rtf
03/10/22	UPLOAD	UPLOAD	Other	View HTML 0000000000-22-002688.pdf 0000000000-22-002688.rtf
03/18/22	S-4/A	Pre-effective amendment to an S-4 filing	Registration Statements	View HTML 0001140361-22-010244.pdf 0001140361-22-010244.rtf 0001140361-22-010244.xls
03/18/22	CORRESP	CORRESP	Other	View HTML 0001140361-22-010247.pdf 0001140361-22-010247.rtf
04/01/22	UPLOAD	UPLOAD	Other	View HTML 0000000000-22-003563.pdf 0000000000-22-003563.rtf
04/05/22	CORRESP	CORRESP	Other	View HTML 0001140361-22-013236.pdf 0001140361-22-013236.rtf
04/06/22	S-4/A	Pre-effective amendment to an S-4 filing	Registration Statements	View HTML 0001140361-22-013235.pdf 0001140361-22-013235.rtf 0001140361-22-013235.xls

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