1,036 filings
Page 26 of 52
4
41tmkaj k7ik
5 Jul 16
ASPEN TECHNOLOGY / William Griffin ownership change
12:00am
4
vp6hrb38nwj4ivt0ldw7
5 Jul 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
csbnug
5 Jul 16
ASPEN TECHNOLOGY / Karl E Johnsen ownership change
12:00am
4
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5 Jul 16
ASPEN TECHNOLOGY / F G Hammond ownership change
12:00am
4
en37u9i7
13 Jun 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
py65ici75im4bt
8 Jun 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
2c8ll83
9 May 16
ASPEN TECHNOLOGY / Jr. Robert M. Whelan, ownership change
12:00am
3
wqwfvnuvyu4dnepy9e07
29 Apr 16
ASPEN TECHNOLOGY / William Griffin ownership change
12:00am
8-K
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28 Apr 16
Results of Operations and Financial Condition
12:00am
4
3c4 xrkrzldgitmx7qyn
4 Apr 16
ASPEN TECHNOLOGY / Karl E Johnsen ownership change
12:00am
4
jfpww0
4 Apr 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
h5t tvx9x9
4 Apr 16
ASPEN TECHNOLOGY / F G Hammond ownership change
12:00am
8-K
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29 Feb 16
Entry into a Material Definitive Agreement
12:00am
8-K
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18 Feb 16
Other Events
12:00am
SC 13G
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16 Feb 16
Aspen Technology Inc /De/
12:00am
SC 13G/A
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12 Feb 16
Aspen Technology Inc /De/
12:00am
SC 13G/A
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10 Feb 16
Aspen Technology Inc /De/
12:00am
SC 13G
3lptg3md09 41x3h5j4
2 Feb 16
Aspen Technology Inc /De/
12:00am