John S. Koudounis SEC EDGAR Filings (CIK 0001671788)

SEC EDGAR filings, ownership reports, and insider transactions for John S. Koudounis.

Business address
2020 Calamos Court, Naperville, IL, 60563
Top holdings (ownership)
CSQ
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John S. Koudounis has filed 33 SEC EDGAR filings since 12 Apr 2016

Latest Filings

Recent SEC filings for John S. Koudounis including 3, 3/A, 4.

Form type Document Filing Description Filing date Reporting date File number(s)
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 16 Sep 2025 16 Sep 2025 811-24073
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-21484
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-22047
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-23295
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-21547
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-21080
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-21319
3/A Open 3/A document View SEC filing for 3/A PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-22949
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 09 Sep 2025 01 Sep 2025 811-21484
3 Open 3 document View SEC filing for 3 03 Jul 2025 30 Jun 2025 811-24034
4 Open 4 document View SEC filing for 4 02 Jul 2025 30 Jun 2025 811-24034
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Dec 2024 02 Dec 2024 811-23815
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Oct 2024 08 Oct 2024 811-23815
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Sep 2024 19 Sep 2024 811-23295
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Sep 2024 03 Sep 2024 811-23815
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Jul 2024 24 Jul 2024 811-23815
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Dec 2023 20 Dec 2023 811-23295
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Dec 2023 06 Dec 2023 811-21484
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Jun 2023 22 Jun 2023 811-23815
3 Open 3 document View SEC filing for 3 FORM 3 19 May 2023 16 May 2023 811-23815
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2021 21 May 2021 811-23295
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2021 25 Feb 2021 811-23295
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Feb 2021 12 Feb 2021 811-21484
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Dec 2020 18 Dec 2020 811-21484
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Mar 2020 30 Dec 2019 811-23295
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 25 Nov 2019 25 Nov 2019 811-23295
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Jul 2016 01 Jul 2016 811-22949
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Jul 2016 01 Jul 2016 811-22047
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Jul 2016 01 Jul 2016 811-21547
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Jul 2016 01 Jul 2016 811-21484
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Jul 2016 01 Jul 2016 811-21319
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 11 Jul 2016 01 Jul 2016 811-21080
3 Open 3 document | Open XBRL data View SEC filing for 3 PRIMARY DOCUMENT 12 Apr 2016 04 Apr 2016 000-51003

About this filer

John S. Koudounis files with the SEC under CIK 0001671788. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

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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