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Filing Detail
Form S-8 - Securities to be offered to employees in employee benefit plans:
SEC Accession No. 0000929940-18-000047
Filing Date
2018-12-21
Accepted
2018-12-21 16:20:28
Documents
4
Effectiveness Date
2018-12-21
Reference 429
333-215818

Document Format Files

Seq Description Document Type Size
1 S-8 a2018forms-8.htm S-8 115518
2 EXHIBIT 4.4 a2018forms-8xexhibit44.htm EX-4.4 61782
3 EXHIBIT 5.1 a2018forms-8xexhibit51.htm EX-5.1 7665
4 EXHIBIT 23.1 a2018forms-8xexhibit231.htm EX-23.1 2812
  Complete submission text file 0000929940-18-000047.txt   188774
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: S-8 | Act: 33 | File No.: 333-228978 | Film No.: 181249780
SIC: 7371 Services-Computer Programming Services
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