Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-14-073670
Filing Date
2014-10-24
Accepted
2014-10-24 16:05:25
Documents
1
Effectiveness Date
2014-10-24

Document Format Files

Seq Description Document Type Size
1 DEFA14A a14-22515_3defa14a.htm DEFA14A 47654
  Complete submission text file 0001104659-14-073670.txt   48635
Mailing Address 200 WHEELER ROAD BURLINGTON MA 01803
Business Address 200 WHEELER ROAD BURLINGTON MA 01803 6179491000
ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

EIN.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: DEFA14A | Act: 34 | File No.: 001-34630 | Film No.: 141172448
SIC: 7371 Services-Computer Programming Services