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
ufwmf5lcjn7vsyo9
9 Dec 20
Additional proxy soliciting materials
4:23pm
DEFA14A
ji7vc
3 Dec 19
Additional proxy soliciting materials
4:21pm
DEFA14A
1i5g42
28 Oct 19
Additional proxy soliciting materials
4:53pm
DEFA14A
pu2t7kre nbowa
26 Nov 18
Additional proxy soliciting materials
4:31pm
DEFA14A
nvtwvp1o9k s7
26 Oct 18
Additional proxy soliciting materials
4:03pm
DEFA14A
gt0i w70572uf6bkvx
30 Oct 17
Additional proxy soliciting materials
12:00am
DEFA14A
90oegum k1
26 Oct 16
Additional proxy soliciting materials
12:00am
DEFA14A
3cc0k9e
13 Nov 15
Additional proxy soliciting materials
12:00am
DEFA14A
0xcj3nj
23 Oct 15
Additional proxy soliciting materials
12:00am