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Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405:
SEC Accession No. 0000929940-19-000030
Filing Date
2019-08-30
Accepted
2019-08-30 16:39:39
Documents
1
Period of Report
2019-06-30
Effectiveness Date
2019-08-30

Document Format Files

Seq Description Document Type Size
1 NT 10-K azpn-20190630xnt10k.htm NT 10-K 38269
  Complete submission text file 0000929940-19-000030.txt   39281
Mailing Address 20 CROSBY DRIVE BEDFORD MA 01730
Business Address 20 CROSBY DRIVE BEDFORD MA 01730 781-221-4302
ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: NT 10-K | Act: 34 | File No.: 001-34630 | Film No.: 191069986
SIC: 7371 Services-Computer Programming Services
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