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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001567619-19-003342
Filing Date
2019-02-12
Accepted
2019-02-12 17:07:29
Documents
1

Document Format Files

Seq Description Document Type Size
1 NONE doc1.htm SC 13G/A 64507
  Complete submission text file 0001567619-19-003342.txt   66204
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.: 19591888
SIC: 7371 Services-Computer Programming Services
Office of Technology

Mailing Address 1800 AVENUE OF THE STARS 2ND FLOOR LOS ANGELES CA 90067
Business Address 1800 AVE OF THE STAR 2ND FL LOS ANGELES CA 90067 3105562721
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC (Filed by) CIK: 0001021223 (see all company filings)

IRS No.: 954575414 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G/A