Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000912938-00-000054
Filing Date
2000-02-08
Accepted
2000-02-08 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 ASPEN TECHNOLOGY, INC. SC 13G/A 7000
  Complete submission text file 0000912938-00-000054.txt   8954
Mailing Address 500 BOYLSTON STREET 15TH FLOOR BOSTON MA 02116
Business Address 500 BOYLSTON ST 15TH FL BOSTON MA 02116 6179545261
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (Filed by) CIK: 0000912938 (see all company filings)

State of Incorp.: MA | Fiscal Year End: 1231
SIC: 0000

Mailing Address TEN CANAL PK CAMBRIDGE MA 02141
Business Address TEN CANAL PARK CAMBRIDGE MA 02141 6179491000
ASPEN TECHNOLOGY INC /DE/ (Subject) CIK: 0000929940 (see all company filings)

EIN.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: SC 13G/A | Act: 34 | File No.: 005-44607 | Film No.: 526374
SIC: 7371 Services-Computer Programming Services