EDGAR Filing Documents for 0000929940-21-000002

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:

SEC Accession No. 0000929940-21-000002

Filing Date

2021-01-13

Accepted

2021-01-13 16:04:04

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	DEFA14A	a2020proxysupplement-01132.htm	DEFA14A	36543
2		aspentechnologylogo1.jpg	GRAPHIC	12241
	Complete submission text file	0000929940-21-000002.txt		49081

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)