Filer Snapshot

Aspen Technology, Inc. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001897982.

Entity Type

Company

Total Filings

302

Latest Filing

15 May 2025

Industry

Services Computer Programming Services

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Source: SEC Schedule 13D/G

SCHEDULE 13G/A filed on 15 May 2025 for CIK 0001897982.

View Source Filing
Business address
20 Crosby Drive, Bedford, MA, 01730
State of incorporation
DE
Fiscal year end
30 June
Former names
Emersub CX, Inc. (to 16 May 2022)

Quick Takeaways

  • Aspen Technology, Inc. is an SEC filer tracked under CIK 0001897982.
  • 302 filings are listed on this profile.
  • Common form coverage includes SCHEDULE 13G/A, 15-12G, 8-K and more.

What Changed

  • Latest filing: SCHEDULE 13G/A filed on 15 May 2025.
  • Report period: not specified in filing header.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Schedule 13D/G

SCHEDULE 13G/A filed on 15 May 2025 for CIK 0001897982.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed SCHEDULE 13G/A can change the filing history, ownership context, or next research path for Aspen Technology, Inc..

Latest source-backed update
SCHEDULE 13G/A filed 15 May 2025
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: SCHEDULE 13G/A filed 15 May 2025.
  • Save this filer if you want a stable place to return after the next filing cycle.
  • Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Latest update

What changed recently for Aspen Technology, Inc.

New fact period available

Latest financial period: Q4 2024. Open the source-backed page to inspect the fresh filing or facts context.

Update date

04 Feb 2025

Page type

Company facts

Latest period

Q4 2024

SEC-backed company facts were refreshed from filings filed on 04 Feb 2025.

Benchmark Context

Benchmark context for this company

Aspen Technology, Inc. has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

Start on the facts page for period-to-period context, then open a metric ranking when you want to compare the same reported fact across other SEC-reporting companies.

Why this is notable

Latest financial period: Q4 2024. That gives you a fresh baseline before you compare this company with peers.

  • Latest company facts filing date: 04 Feb 2025.
  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

Company intelligence

Research Aspen Technology, Inc. from filings to ownership signals

Use this company page as the hub for SEC filings, fundamentals, insider activity, large-stake holders, and institutional ownership context.

Active modules

3/5

Available company intelligence paths on this page.

Filings

302

SEC submissions provide the evidence trail.

Ownership context

1/3

Insider, large-stake, and institutional ownership lanes.

Return loop

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Best-of company intelligence workflow

What changed?

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Why might it matter?

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Where is evidence?

Keep SEC source documents one click away through filings, facts, insider reports, and Schedule 13D/G records.

What to watch next?

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SEC filings

Available

Latest company filings

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Company facts

Available

Financial context

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Forms 3/4/5

Available

Insider activity

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Schedule 13D/G

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Form 13F

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Watchlist return triggers

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new company filing insider Form 4 13D/G holder change 13F holder update

Filer Overview

Aspen Technology, Inc. has filed 302 SEC EDGAR filings since 11 Jan 2022. Common forms include SCHEDULE 13G/A, 15-12G, 8-K, 4 and more.

Latest Filings

Recent SEC filings for Aspen Technology, Inc. with direct links to document and filing folders.

SCHEDULE 13G/A File 005-93677

SCHEDULE 13G/A filing

Filing date
15 May 2025
Reporting date
Not listed
SEC evidence
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15-12G File 001-41400

15-12G

Filing date
24 Mar 2025
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
12 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
12 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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4

PRIMARY DOCUMENT

Filing date
13 Mar 2025
Reporting date
11 Mar 2025
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S-8 POS File 333-265145

S-8 POS

Filing date
12 Mar 2025
Reporting date
Not listed
SEC evidence
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25-NSE File 001-41400

25-NSE filing

Filing date
12 Mar 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SCHEDULE 13E3/A

Filing date
12 Mar 2025
Reporting date
Not listed
SEC evidence
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SC 14D9/A File 005-93677

SC 14D9/A

Filing date
12 Mar 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D/A File 005-93677

SCHEDULE 13D/A filing

Filing date
12 Mar 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC TO-T/A

Filing date
12 Mar 2025
Reporting date
Not listed
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SC 13E3/A File 005-93677

FORM SC 13E3/A

Filing date
10 Mar 2025
Reporting date
Not listed
SEC evidence
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SC 14D9/A File 005-93677

FORM SC 14D9/A

Filing date
10 Mar 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC TO-T/A

Filing date
10 Mar 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D/A File 005-93677

SCHEDULE 13D/A filing

Filing date
05 Mar 2025
Reporting date
Not listed
SEC evidence
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CT ORDER File 005-93677

CT ORDER filing

Filing date
05 Mar 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC TO-T/A

Filing date
03 Mar 2025
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
03 Mar 2025
Reporting date
27 Feb 2025
SEC evidence
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SC 13E3/A File 005-93677

SC 13E3/A

Filing date
28 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 14D9/A File 005-93677

SC 14D9/A

Filing date
28 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC TO-T/A

Filing date
28 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC TO-T/A

Filing date
28 Feb 2025
Reporting date
Not listed
SEC evidence
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UPLOAD File 005-93677

UPLOAD filing

Filing date
26 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC 13E3/A

Filing date
25 Feb 2025
Reporting date
Not listed
SEC evidence
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UPLOAD File 005-93677

UPLOAD filing

Filing date
24 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC 13E3/A

Filing date
24 Feb 2025
Reporting date
Not listed
SEC evidence
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CORRESP

CORRESP filing

Filing date
24 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 14D9/A File 005-93677

SC 14D9/A

Filing date
24 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 13E3/A File 005-93677

SC TO-T/A

Filing date
24 Feb 2025
Reporting date
Not listed
SEC evidence
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UPLOAD File 005-93677

UPLOAD filing

Filing date
19 Feb 2025
Reporting date
Not listed
SEC evidence
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UPLOAD File 005-93677

UPLOAD filing

Filing date
19 Feb 2025
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
14 Feb 2025
Reporting date
12 Feb 2025
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3

PRIMARY DOCUMENT

Filing date
10 Feb 2025
Reporting date
29 Jan 2025
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3

PRIMARY DOCUMENT

Filing date
10 Feb 2025
Reporting date
29 Jan 2025
SEC evidence
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SC 13E3/A File 005-93677

SC TO-T/A

Filing date
10 Feb 2025
Reporting date
Not listed
SEC evidence
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SC 14D9 File 005-93677

SC 14D9

Filing date
10 Feb 2025
Reporting date
Not listed
SEC evidence
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SC TO-C File 005-93677

SC TO-C

Filing date
07 Feb 2025
Reporting date
Not listed
SEC evidence
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SC14D9C File 005-93677

FORM SC14D9C

Filing date
04 Feb 2025
Reporting date
Not listed
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SC14D9C File 005-93677

SC14D9C

Filing date
29 Jan 2025
Reporting date
Not listed
SEC evidence
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SC14D9C File 005-93677

SC14D9C

Filing date
27 Jan 2025
Reporting date
Not listed
SEC evidence
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SCHEDULE 13D/A File 005-93677

SCHEDULE 13D/A filing

Filing date
27 Jan 2025
Reporting date
Not listed
SEC evidence
Open document Open filing
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SC TO-C File 005-93677

FORM SC TO-C

Filing date
27 Jan 2025
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
06 Jan 2025
Reporting date
31 Dec 2024
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4

PRIMARY DOCUMENT

Filing date
06 Jan 2025
Reporting date
31 Dec 2024
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4

PRIMARY DOCUMENT

Filing date
06 Jan 2025
Reporting date
31 Dec 2024
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SC14D9C File 005-93677

SC14D9C

Filing date
20 Nov 2024
Reporting date
Not listed
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SC 13G/A File 005-93677

SC 13G/A filing

Filing date
08 Nov 2024
Reporting date
Not listed
SEC evidence
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SC14D9C File 005-93677

SC14D9C

Filing date
06 Nov 2024
Reporting date
Not listed
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SC TO-C File 005-93677

FORM SC TO-C

Filing date
05 Nov 2024
Reporting date
Not listed
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SC TO-C File 005-93677

FORM SC TO-C

Filing date
05 Nov 2024
Reporting date
Not listed
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SC 13D/A File 005-93677

FORM SC 13D/A

Filing date
05 Nov 2024
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
25 Oct 2024
Reporting date
23 Oct 2024
SEC evidence
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ARS File 001-41400

ARS

Filing date
24 Oct 2024
Reporting date
30 Jun 2024
SEC evidence
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DEFA14A File 001-41400

2024 PROXY NOTIC E

Filing date
24 Oct 2024
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-41400

2024 PROXY STATEMENT

Filing date
24 Oct 2024
Reporting date
30 Jun 2024
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SC 13G/A File 005-93677

SC 13G/A filing

Filing date
22 Oct 2024
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
02 Oct 2024
Reporting date
30 Sep 2024
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4

PRIMARY DOCUMENT

Filing date
02 Oct 2024
Reporting date
30 Sep 2024
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4

PRIMARY DOCUMENT

Filing date
02 Oct 2024
Reporting date
30 Sep 2024
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144 File 001-41400

144 filing

Filing date
19 Sep 2024
Reporting date
Not listed
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144 File 001-41400

144 filing

Filing date
18 Sep 2024
Reporting date
Not listed
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144 File 001-41400

144 filing

Filing date
17 Sep 2024
Reporting date
Not listed
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4/A

PRIMARY DOCUMENT

Filing date
11 Sep 2024
Reporting date
03 Sep 2024
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144 File 001-41400

144 filing

Filing date
06 Sep 2024
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
05 Sep 2024
Reporting date
03 Sep 2024
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144 File 001-41400

144 filing

Filing date
05 Sep 2024
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
05 Sep 2024
Reporting date
03 Sep 2024
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4

PRIMARY DOCUMENT

Filing date
05 Sep 2024
Reporting date
03 Sep 2024
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144 File 001-41400

144 filing

Filing date
04 Sep 2024
Reporting date
Not listed
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144 File 001-41400

144 filing

Filing date
03 Sep 2024
Reporting date
Not listed
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144 File 001-41400

144 filing

Filing date
03 Sep 2024
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
30 Aug 2024
Reporting date
28 Aug 2024
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144 File 001-41400

144 filing

Filing date
28 Aug 2024
Reporting date
Not listed
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144 File 001-41400

144 filing

Filing date
21 Aug 2024
Reporting date
Not listed
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144 File 001-41400

144 filing

Filing date
07 Aug 2024
Reporting date
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4

PRIMARY DOCUMENT

Filing date
25 Jul 2024
Reporting date
23 Jul 2024
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4

PRIMARY DOCUMENT

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

PRIMARY DOCUMENT

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

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Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

PRIMARY DOCUMENT

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

PRIMARY DOCUMENT

Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

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Filing date
03 Jul 2024
Reporting date
01 Jul 2024
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4

PRIMARY DOCUMENT

Filing date
02 Jul 2024
Reporting date
28 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
02 Jul 2024
Reporting date
28 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
02 Jul 2024
Reporting date
28 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
20 Jun 2024
Reporting date
17 Jun 2024
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3

PRIMARY DOCUMENT

Filing date
11 Jun 2024
Reporting date
03 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
03 Jun 2024
Reporting date
30 May 2024
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4

PRIMARY DOCUMENT

Filing date
23 May 2024
Reporting date
21 May 2024
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144 File 001-41400

144 filing

Filing date
23 May 2024
Reporting date
Not listed
SEC evidence
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144 File 001-41400

144 filing

Filing date
21 May 2024
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
07 May 2024
Reporting date
03 May 2024
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3

PRIMARY DOCUMENT

Filing date
01 May 2024
Reporting date
26 Apr 2024
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4

PRIMARY DOCUMENT

Filing date
02 Apr 2024
Reporting date
29 Mar 2024
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4

PRIMARY DOCUMENT

Filing date
02 Apr 2024
Reporting date
29 Mar 2024
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4

PRIMARY DOCUMENT

Filing date
02 Apr 2024
Reporting date
29 Mar 2024
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144 File 001-41400

144 filing

Filing date
26 Feb 2024
Reporting date
Not listed
SEC evidence
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144/A File 001-41400

144/A filing

Filing date
23 Feb 2024
Reporting date
Not listed
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144 File 001-41400

144 filing

Filing date
23 Feb 2024
Reporting date
Not listed
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SC 13G/A File 005-93677

SC 13G/A filing

Filing date
13 Feb 2024
Reporting date
Not listed
SEC evidence
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SC 13G/A File 005-93677

SC 13G/A filing

Filing date
25 Jan 2024
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
03 Jan 2024
Reporting date
29 Dec 2023
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4

PRIMARY DOCUMENT

Filing date
03 Jan 2024
Reporting date
29 Dec 2023
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4

PRIMARY DOCUMENT

Filing date
03 Jan 2024
Reporting date
29 Dec 2023
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4

PRIMARY DOCUMENT

Filing date
03 Jan 2024
Reporting date
29 Dec 2023
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4

PRIMARY DOCUMENT

Filing date
03 Jan 2024
Reporting date
29 Dec 2023
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4

PRIMARY DOCUMENT

Filing date
03 Nov 2023
Reporting date
01 Nov 2023
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4

PRIMARY DOCUMENT

Filing date
03 Nov 2023
Reporting date
01 Nov 2023
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4

PRIMARY DOCUMENT

Filing date
25 Oct 2023
Reporting date
23 Oct 2023
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ARS File 001-41400

ARS

Filing date
25 Oct 2023
Reporting date
30 Jun 2023
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DEFA14A File 001-41400

DEFA14A

Filing date
24 Oct 2023
Reporting date
Not listed
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DEF 14A File 001-41400

DEF 14A

Filing date
24 Oct 2023
Reporting date
24 Oct 2023
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SC 13D/A File 005-93677

FORM SC 13D/A

Filing date
13 Oct 2023
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SC 13D/A File 005-93677

FORM SC 13D/A

Filing date
11 Oct 2023
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4/A

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
01 Sep 2023
SEC evidence
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4/A

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
01 Sep 2023
SEC evidence
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4/A

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
01 Sep 2023
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4/A

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
01 Sep 2023
SEC evidence
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4/A

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
01 Sep 2023
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4/A

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
01 Sep 2023
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
29 Sep 2023
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
29 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
03 Oct 2023
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29 Sep 2023
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4

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Filing date
03 Oct 2023
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29 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
03 Oct 2023
Reporting date
29 Sep 2023
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4/A

PRIMARY DOCUMENT

Filing date
22 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
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01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
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01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
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01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
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01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2023
Reporting date
30 Jun 2023
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2023
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30 Jun 2023
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2023
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30 Jun 2023
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2023
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30 Jun 2023
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2023
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30 Jun 2023
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4

PRIMARY DOCUMENT

Filing date
14 Jun 2023
Reporting date
12 Jun 2023
SEC evidence
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144 File 001-41400

144 filing

Filing date
12 Jun 2023
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
01 Jun 2023
Reporting date
30 May 2023
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UPLOAD

UPLOAD filing

Filing date
13 Apr 2023
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Not listed
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CORRESP

CORRESP filing

Filing date
04 Apr 2023
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Not listed
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4

PRIMARY DOCUMENT

Filing date
04 Apr 2023
Reporting date
31 Mar 2023
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Apr 2023
Reporting date
31 Mar 2023
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4

PRIMARY DOCUMENT

Filing date
04 Apr 2023
Reporting date
31 Mar 2023
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Apr 2023
Reporting date
31 Mar 2023
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
27 Mar 2023
Reporting date
Not listed
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CORRESP

CORRESP filing

Filing date
09 Mar 2023
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
02 Mar 2023
Reporting date
28 Feb 2023
SEC evidence
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144 File 001-41400

144 filing

Filing date
28 Feb 2023
Reporting date
Not listed
SEC evidence
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UPLOAD

UPLOAD filing

Filing date
27 Feb 2023
Reporting date
Not listed
SEC evidence
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4/A

PRIMARY DOCUMENT

Filing date
13 Feb 2023
Reporting date
06 Feb 2023
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
08 Feb 2023
Reporting date
06 Feb 2023
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3

PRIMARY DOCUMENT

Filing date
08 Feb 2023
Reporting date
06 Feb 2023
SEC evidence
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SC 13G File 005-93677

SC 13G filing

Filing date
07 Feb 2023
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
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4

PRIMARY DOCUMENT

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Jan 2023
Reporting date
30 Dec 2022
SEC evidence
Open document Open filing
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DEFA14A File 001-41400

DEFA14A

Filing date
07 Dec 2022
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
01 Dec 2022
Reporting date
30 Nov 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
30 Nov 2022
Reporting date
29 Nov 2022
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4

PRIMARY DOCUMENT

Filing date
25 Nov 2022
Reporting date
22 Nov 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
23 Nov 2022
Reporting date
21 Nov 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
09 Nov 2022
Reporting date
07 Nov 2022
SEC evidence
Open document Open filing
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DEFA14A File 001-41400

DEFA14A

Filing date
28 Oct 2022
Reporting date
Not listed
SEC evidence
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DEF 14A File 001-41400

DEF 14A

Filing date
28 Oct 2022
Reporting date
15 Dec 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
04 Oct 2022
Reporting date
30 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
09 Sep 2022
Reporting date
07 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
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Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2022
Reporting date
01 Sep 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
22 Jul 2022
Reporting date
20 Jul 2022
SEC evidence
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3

PRIMARY DOCUMENT

Filing date
22 Jul 2022
Reporting date
13 Jul 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
05 Jul 2022
Reporting date
30 Jun 2022
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
03 Jun 2022
Reporting date
01 Jun 2022
SEC evidence
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8-K12B/A File 001-41400

8-K12B/A

Filing date
02 Jun 2022
Reporting date
13 May 2022
Next action
Verify source filing
8-K12B/A File 001-41400

8-K12B/A

Filing date
27 May 2022
Reporting date
13 May 2022
Next action
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SC 13D File 005-93677

SC 13D

Filing date
26 May 2022
Reporting date
Not listed
SEC evidence
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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4

PRIMARY DOCUMENT

Filing date
25 May 2022
Reporting date
23 May 2022
SEC evidence
Open document Open filing
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S-8 File 333-265145

FORM S-8

Filing date
23 May 2022
Reporting date
Not listed
SEC evidence
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3

FORM 3

Filing date
17 May 2022
Reporting date
16 May 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
Next action
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3

FORM 3 SUBMISSION

Filing date
17 May 2022
Reporting date
17 May 2022
SEC evidence
Open document Open filing
Next action
Verify source filing
8-K File 333-262106

FORM 8-K

Filing date
04 May 2022
Reporting date
03 May 2022
SEC evidence
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425 File 333-262106

FORM 8-K

Filing date
04 May 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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SEC STAFF LETTER

SEC STAFF LETTER filing

Filing date
18 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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EFFECT File 333-262106

EFFECT filing

Filing date
18 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
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424B3 File 333-262106

424B3

Filing date
18 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
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CORRESP

CORRESP filing

Filing date
14 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-4/A File 333-262106

S-4/A

Filing date
14 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-4/A File 333-262106

S-4/A

Filing date
06 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
05 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
01 Apr 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
18 Mar 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-4/A File 333-262106

S-4/A

Filing date
18 Mar 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
10 Mar 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
CORRESP

CORRESP filing

Filing date
22 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-4/A File 333-262106

S-4/A

Filing date
22 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
SEC STAFF LETTER

SEC STAFF LETTER filing

Filing date
09 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
UPLOAD

UPLOAD filing

Filing date
09 Feb 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
S-4 File 333-262106

S-4

Filing date
11 Jan 2022
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing

About this filer

Aspen Technology, Inc. files with the SEC under CIK 0001897982. This page aggregates EDGAR filings and related ownership activity.

Industry: Services Computer Programming Services.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.
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