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
z1mjr8
9 Dec 20
Additional proxy soliciting materials
4:23pm
DEFA14A
9uwo51n086s6
3 Dec 19
Additional proxy soliciting materials
4:21pm
DEFA14A
rgry0dq52mv9vh9wvx2
28 Oct 19
Additional proxy soliciting materials
4:53pm
DEFA14A
zd00t6ln38z93z
26 Nov 18
Additional proxy soliciting materials
4:31pm
DEFA14A
unwcnv00d29e ow
26 Oct 18
Additional proxy soliciting materials
4:03pm
DEFA14A
l0dzxwc
30 Oct 17
Additional proxy soliciting materials
12:00am
DEFA14A
i4c5rqkctv0gx zb
26 Oct 16
Additional proxy soliciting materials
12:00am
DEFA14A
6scr ihhch
13 Nov 15
Additional proxy soliciting materials
12:00am
DEFA14A
xrt 89050
23 Oct 15
Additional proxy soliciting materials
12:00am