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Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001193125-21-304065
Filing Date
2021-10-21
Accepted
2021-10-21 16:33:01
Documents
3

Document Format Files

Seq Description Document Type Size
1 425 d207633d425.htm 425 1881
2 GRAPHIC g207633g1021114859626.jpg GRAPHIC 84481
3 GRAPHIC g207633g1021114900094.jpg GRAPHIC 158532
  Complete submission text file 0001193125-21-304065.txt   338396
Mailing Address 20 CROSBY DRIVE BEDFORD MA 01730
Business Address 20 CROSBY DRIVE BEDFORD MA 01730 781-221-4302
ASPEN TECHNOLOGY INC /DE/ (Filed by) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: 425
SIC: 7371 Services-Computer Programming Services

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: 425 | Act: 34 | File No.: 001-34630 | Film No.: 211337358
SIC: 7371 Services-Computer Programming Services