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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000929940-16-000017
Filing Date
2016-10-26
Accepted
2016-10-26 17:25:10
Documents
1
Effectiveness Date
2016-10-26

Document Format Files

Seq Description Document Type Size
1 DEFA14A a2016proxynotice.htm DEFA14A 42994
  Complete submission text file 0000929940-16-000017.txt   43969
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: DEFA14A | Act: 34 | File No.: 001-34630 | Film No.: 161953391
SIC: 7371 Services-Computer Programming Services