638 filings
15-12B
Aspen Technology Inc
26 May 22
Securities registration termination
4:05pm
S-8 POS
Aspen Technology Inc
18 May 22
Registration of securities for employees (post-effective amendment)
2:01pm
S-8 POS
Aspen Technology Inc
18 May 22
Registration of securities for employees (post-effective amendment)
2:00pm
S-8 POS
Aspen Technology Inc
18 May 22
Registration of securities for employees (post-effective amendment)
1:56pm
8-K
Aspen Technology Inc
16 May 22
AspenTech Completes Emerson Transaction, Expanding
9:34pm
25-NSE
788u61t9o
16 May 22
Exchange delisting
4:24pm
425
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4 May 22
Business combination disclosure
4:54pm
8-K
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4 May 22
Departure of Directors or Certain Officers
4:30pm
425
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3 May 22
Business combination disclosure
4:45pm
8-K
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3 May 22
Entry into a Material Definitive Agreement
4:44pm
425
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2 May 22
Business combination disclosure
5:22pm
8-K
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2 May 22
Other Events
5:21pm
425
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28 Apr 22
Business combination disclosure
4:19pm
8-K
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27 Apr 22
Departure of Directors or Certain Officers
4:12pm
8-K
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27 Apr 22
Aspen Technology Announces Financial Results for the Third Quarter of Fiscal 2022
4:08pm
8-K
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22 Apr 22
Departure of Directors or Certain Officers
5:02pm
DEFM14A
q1zjzy23bhbi0qgm1vm9
18 Apr 22
Proxy related to merger
5:06pm
425
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6 Apr 22
Business combination disclosure
2:22pm
UPLOAD
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28 Mar 22
Letter from SEC
12:00am