Latest filings (excl ownership)
8-K
Aspen Technology Appoints David Henshall to its Board of Directors
29 Apr 24
10-Q
2024 Q2
Quarterly report
6 Feb 24
8-K
Aspen Technology Announces Financial Results for the Second Quarter of Fiscal 2024
6 Feb 24
8-K
Departure of Directors or Certain Officers
4 Jan 24
8-K
Submission of Matters to a Vote of Security Holders
15 Dec 23
10-Q
2024 Q1
Quarterly report
6 Nov 23
8-K
Aspen Technology Announces Financial Results for the First Quarter of Fiscal 2024
6 Nov 23
ARS
2023 FY
Annual report to shareholders
24 Oct 23
DEFA14A
Additional proxy soliciting materials
24 Oct 23
DEF 14A
Definitive proxy
24 Oct 23
8-K
Aspen Technology Announces CFO Transition
19 Oct 23
8-K
Departure of Directors or Certain Officers
6 Sep 23
10-K
2023 FY
Annual report
21 Aug 23
8-K
Aspen Technology Announces Financial Results for the Fourth Quarter and Fiscal 2023
1 Aug 23
8-K
Aspen Technology Announces $100 Million Share Repurchase Program
5 May 23
10-Q
2023 Q3
Quarterly report
2 May 23
8-K
Aspen Technology Announces Financial Results for the Third Quarter of Fiscal 2023
26 Apr 23
UPLOAD
Letter from SEC
13 Apr 23
CORRESP
Correspondence with SEC
4 Apr 23
UPLOAD
Letter from SEC
27 Mar 23
CORRESP
Correspondence with SEC
9 Mar 23
UPLOAD
Letter from SEC
27 Feb 23
10-Q
2023 Q2
Quarterly report
30 Jan 23
8-K
Aspen Technology Announces Financial Results for the Second Quarter of Fiscal 2023
25 Jan 23
8-K
Entry into a Material Definitive Agreement
30 Dec 22
8-K
Submission of Matters to a Vote of Security Holders
19 Dec 22
DEFA14A
Additional proxy soliciting materials
7 Dec 22
10-Q
2023 Q1
Quarterly report
1 Nov 22
DEFA14A
Additional proxy soliciting materials
28 Oct 22
DEF 14A
Definitive proxy
28 Oct 22
8-K
Aspen Technology Announces Financial Results for the First Quarter of Fiscal 2023
26 Oct 22
8-K
Departure of Directors or Certain Officers
31 Aug 22
10-KT
Annual report (with FYE transition)
25 Aug 22
8-K
Aspen Technology Announces Financial Results for the Fourth Quarter and Fiscal 2022
8 Aug 22
8-K
Departure of Directors or Certain Officers
29 Jul 22
8-K
AspenTech Expands Software Portfolio to Include End-to-End Mining Software Suite with Agreement to Acquire Micromine
27 Jul 22
8-K
Aspen Technology Appoints Robert Beauchamp
15 Jul 22
8-K12B/A
Notification of registration of securities (amended)
2 Jun 22
8-K12B/A
Notification of registration of securities (amended)
27 May 22
S-8
Registration of securities for employees
23 May 22
Latest ownership filings
4
Christopher Stagno
2 Apr 24
4
Antonio J Pietri
2 Apr 24
4
Mark Edgar Mouritsen
2 Apr 24
144
Notice of proposed sale of securities
26 Feb 24
144/A
Notice of proposed sale of securities (amended)
23 Feb 24
144
Notice of proposed sale of securities
23 Feb 24
SC 13G/A
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
13 Feb 24
SC 13G/A
BlackRock Inc.
25 Jan 24
4
Christopher Stagno
3 Jan 24
4
Antonio J Pietri
3 Jan 24
4
Mark Edgar Mouritsen
3 Jan 24
4
Manish Chawla
3 Jan 24
4
Chantelle Yvette Breithaupt
3 Jan 24
4
Christopher Stagno
3 Nov 23
4
Chantelle Yvette Breithaupt
3 Nov 23
4
Christopher Stagno
25 Oct 23
SC 13D/A
EMERSON ELECTRIC CO
13 Oct 23
SC 13D/A
EMERSON ELECTRIC CO
11 Oct 23
4/A
Jr. Robert M. Whelan,
3 Oct 23
4/A
Jill D. Smith
3 Oct 23
4/A
Arlen Shenkman
3 Oct 23
4/A
Karen Golz
3 Oct 23
4/A
THOMAS F BOGAN
3 Oct 23
4/A
Patrick M. Antkowiak
3 Oct 23
4
Antonio J Pietri
3 Oct 23
4
Christopher Stagno
3 Oct 23
4
Mark Edgar Mouritsen
3 Oct 23
4
Manish Chawla
3 Oct 23
4
Chantelle Yvette Breithaupt
3 Oct 23
4/A
Christopher Stagno
22 Sep 23
4
Christopher Stagno
6 Sep 23
4
Antonio J Pietri
6 Sep 23
4
Mark Edgar Mouritsen
6 Sep 23
4
Manish Chawla
6 Sep 23
4
Chantelle Yvette Breithaupt
6 Sep 23
4
Jr. Robert M. Whelan,
6 Sep 23
4
Jill D. Smith
6 Sep 23
4
Arlen Shenkman
6 Sep 23
4
Karen Golz
6 Sep 23
4
THOMAS F BOGAN
6 Sep 23