66 filings
DEFM14A
Aspen Technology Inc
18 Apr 22
Proxy related to merger
5:06pm
DEF 14A
Aspen Technology Inc
Definitive proxy
28 Oct 21
5:15pm
DEFA14A
Aspen Technology Inc
28 Oct 21
Additional proxy soliciting materials
5:06pm
DEFA14A
Aspen Technology Inc
13 Jan 21
Additional proxy soliciting materials
4:04pm
DEFA14A
Aspen Technology Inc
30 Dec 20
Additional proxy soliciting materials
4:35pm
DEFA14A
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9 Dec 20
Additional proxy soliciting materials
4:23pm
DEFA14A
a14nidxza
3 Dec 19
Additional proxy soliciting materials
4:21pm
DEFA14A
uym 6clrx8rlmkf
28 Oct 19
Additional proxy soliciting materials
4:53pm
DEFA14A
7anasf
26 Nov 18
Additional proxy soliciting materials
4:31pm
DEFA14A
ndo8 gp0kttce9ouq
26 Oct 18
Additional proxy soliciting materials
4:03pm
DEFA14A
v7jsk
30 Oct 17
Additional proxy soliciting materials
12:00am
DEFA14A
z1y2yf
26 Oct 16
Additional proxy soliciting materials
12:00am
DEFA14A
ri33le9so05jc veo5wn
13 Nov 15
Additional proxy soliciting materials
12:00am
DEFA14A
qmgthmks
23 Oct 15
Additional proxy soliciting materials
12:00am