ASPEN TECHNOLOGY INC /MA/


TEN CANAL PARK, CAMBRIDGE MA 02141, 6175770100
COMPUTER PROGRAMMING SERVICES

1997 SEC Filings

ASPEN TECHNOLOGY INC /MA/, DEF 14A, 1997-12-01
ASPEN TECHNOLOGY INC /MA/, 10-Q, 1997-11-14
ASPEN TECHNOLOGY INC /MA/, S-3, 1997-11-04
ASPEN TECHNOLOGY INC /MA/, PRE 14A, 1997-10-28
ASPEN TECHNOLOGY INC /MA/, 8-K, 1997-10-10
ASPEN TECHNOLOGY INC /MA/, 8-A12G, 1997-10-10
ASPEN TECHNOLOGY INC /MA/, 10-K, 1997-09-29
ASPEN TECHNOLOGY INC /MA/, 10-Q, 1997-05-14
ASPEN TECHNOLOGY INC /MA/, SC 13G, 1997-03-12
ASPEN TECHNOLOGY INC /MA/, 424B2, 1997-02-27
ASPEN TECHNOLOGY INC /MA/, S-3, 1997-02-18
ASPEN TECHNOLOGY INC /MA/, 10-C, 1997-02-14
ASPEN TECHNOLOGY INC /MA/, 10-Q, 1997-02-14
ASPEN TECHNOLOGY INC /MA/, S-8, 1997-02-11
ASPEN TECHNOLOGY INC /MA/, 424B2, 1997-02-11
ASPEN TECHNOLOGY INC /MA/, 424B2, 1997-02-10
ASPEN TECHNOLOGY INC /MA/, S-3, 1997-01-29
ASPEN TECHNOLOGY INC /MA/, 8-K, 1997-01-29


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