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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001193125-17-029855
Filing Date
2017-02-03
Accepted
2017-02-03 07:55:02
Documents
1

Document Format Files

Seq Description Document Type Size
1 ASPEN TECHNOLOGY, INC. d327149dsc13ga.txt SC 13G/A 17949
  Complete submission text file 0001193125-17-029855.txt   19437
Mailing Address 20 CROSBY DRIVE BEDFORD MA 01730
Business Address 20 CROSBY DRIVE BEDFORD MA 01730 781-221-4302
ASPEN TECHNOLOGY INC /DE/ (Subject) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-44607 | Film No.: 17570231
SIC: 7371 Services-Computer Programming Services

Mailing Address 875 E WISCONSIN AVE STE 800 MILWAUKEE WI 53202
Business Address 875 E WISCONSIN AVE STE 800 MILWAUKEE WI 53202 (414) 390-6100
Artisan Partners Limited Partnership (Filed by) CIK: 0001466153 (see all company filings)

IRS No.: 300551775 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A