1,036 filings
Page 26 of 52
4
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5 Jul 16
ASPEN TECHNOLOGY / William Griffin ownership change
12:00am
4
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5 Jul 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
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5 Jul 16
ASPEN TECHNOLOGY / Karl E Johnsen ownership change
12:00am
4
3g41cdn
5 Jul 16
ASPEN TECHNOLOGY / F G Hammond ownership change
12:00am
4
m3h566
13 Jun 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
cwo63mo0jmm7ydlmwd4
8 Jun 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
uqmdc
9 May 16
ASPEN TECHNOLOGY / Jr. Robert M. Whelan, ownership change
12:00am
3
va07qz82jm5pwdzn0x
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
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4 Apr 16
ASPEN TECHNOLOGY / Karl E Johnsen ownership change
12:00am
4
pf1rei
4 Apr 16
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
12:00am
4
lpxezx pi
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
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2 Feb 16
Aspen Technology Inc /De/
12:00am