1,036 filings
Page 3 of 52
8-K
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22 Apr 22
Departure of Directors or Certain Officers
5:02pm
4
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20 Apr 22
ASPEN TECHNOLOGY / Manish Chawla ownership change
4:31pm
3
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20 Apr 22
ASPEN TECHNOLOGY / Manish Chawla ownership change
4:30pm
DEFM14A
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18 Apr 22
Proxy related to merger
5:06pm
425
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6 Apr 22
Business combination disclosure
2:22pm
4
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4 Apr 22
ASPEN TECHNOLOGY / Christopher Stagno ownership change
4:33pm
4
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4 Apr 22
ASPEN TECHNOLOGY / Antonio J Pietri ownership change
4:32pm
4
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4 Apr 22
ASPEN TECHNOLOGY / F G Hammond ownership change
4:31pm
4
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4 Apr 22
ASPEN TECHNOLOGY / John Hague ownership change
4:29pm
4
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4 Apr 22
ASPEN TECHNOLOGY / Chantelle Yvette Breithaupt ownership change
4:27pm
UPLOAD
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28 Mar 22
Letter from SEC
12:00am
425
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22 Mar 22
Business combination disclosure
10:20am
CORRESP
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18 Mar 22
Correspondence with SEC
12:00am
4
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15 Mar 22
ASPEN TECHNOLOGY / Amarpreet Hanspal ownership change
4:21pm
8-K
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14 Mar 22
Departure of Directors or Certain Officers
5:45pm
UPLOAD
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8 Mar 22
Letter from SEC
12:00am
425
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1 Mar 22
Business combination disclosure
6:17pm
SC 13G/A
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14 Feb 22
ASPEN TECHNOLOGY / BlueSpruce Investments ownership change
4:13pm
SC 13G/A
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14 Feb 22
ASPEN TECHNOLOGY / KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT ownership change
12:00am
SC 13G/A
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9 Feb 22
ASPEN TECHNOLOGY / VANGUARD ownership change
3:24pm