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Filing Detail
Form S-1 - General form for registration of securities under the Securities Act of 1933:
SEC Accession No. 0001047469-10-006776
Filing Date
2010-07-30
Accepted
2010-07-30 08:39:36
Documents
9

Document Format Files

Seq Description Document Type Size
1 S-1 a2199410zs-1.htm S-1 2780947
2 EXHIBIT 10.20AC a2199410zex-10_20ac.htm EX-10.20AC 53740
3 EXHIBIT 10.43 a2199410zex-10_43.htm EX-10.43 12554
4 EXHIBIT 10.52 a2199410zex-10_52.htm EX-10.52 23758
5 EXHIBIT 21.1 a2199410zex-21_1.htm EX-21.1 62851
6 EXHIBIT 23.1 a2199410zex-23_1.htm EX-23.1 2901
7 EXHIBIT 23.2 a2199410zex-23_2.htm EX-23.2 3593
8 G743721.JPG g743721.jpg GRAPHIC 20420
9 G141102KKI001.JPG g141102kki001.jpg GRAPHIC 6922
  Complete submission text file 0001047469-10-006776.txt   2979671
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)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: S-1 | Act: 33 | File No.: 333-168409 | Film No.: 10979542
SIC: 7371 Services-Computer Programming Services