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Aspen Technology, Inc. SEC Filings

Aspen Technology, Inc. SEC Filings

Filing date Form Description Filing Group View
8-K12B

8-K12B

Other
View HTML EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA
8-K12B/A

8-K12B/A

Other
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8-K12B/A

8-K12B/A

Other
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SC 13G

A statement of beneficial ownership of common stock by certain persons

Other
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DEFA14A

Additional proxy soliciting materials - definitive

Proxy Filings
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DEFA14A

Additional proxy soliciting materials - definitive

Proxy Filings
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4/A

Amendment to a previously filed 4

3,4,5
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4/A

Amendment to a previously filed 4

3,4,5
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10-K

Annual report which provides a comprehensive overview of the company for the past year

Annual Filings
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10-KT

Annual transition reports filed rule 13a-10 or 15d-10 of the Securities Exchange Act

Annual Filings
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