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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000929940-20-000067
Filing Date
2020-12-09
Accepted
2020-12-09 16:23:56
Documents
5
Effectiveness Date
2020-12-09

Document Format Files

Seq Description Document Type Size
1 DEFA14A a2020proxynotice.htm DEFA14A 27869
2 aspentech2020noticecard001.jpg GRAPHIC 148559
3 aspentech2020noticecard002.jpg GRAPHIC 192940
4 aspentech2020noticecard003.jpg GRAPHIC 89831
5 aspentech2020noticecard004.jpg GRAPHIC 80129
  Complete submission text file 0000929940-20-000067.txt   733538
Mailing Address 20 CROSBY DRIVE BEDFORD MA 01730
Business Address 20 CROSBY DRIVE BEDFORD MA 01730 781-221-4302
ASPEN TECHNOLOGY INC /DE/ (Filer) CIK: 0000929940 (see all company filings)

IRS No.: 042739697 | State of Incorp.: DE | Fiscal Year End: 0630
Type: DEFA14A | Act: 34 | File No.: 001-34630 | Film No.: 201378094
SIC: 7371 Services-Computer Programming Services