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.

SEC EDGAR filings, ownership reports, and insider transactions for Jonathan Klamkin.

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Jonathan Klamkin has filed 8 SEC EDGAR filings since 25 Jun 2021

Recent SEC filings for Jonathan Klamkin including 4/A, 144/A, 4 and more.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4/A	Open 4/A document	View SEC filing for 4/A		09 Sep 2025	14 Aug 2025	001-42570
144/A	Open 144/A document	View SEC filing for 144/A		09 Sep 2025
4	Open 4 document	View SEC filing for 4		14 Aug 2025	14 Aug 2025	001-42570
144	Open 144 document	View SEC filing for 144		14 Aug 2025
5	Open 5 document	View SEC filing for 5		23 May 2025	31 Dec 2022	001-42570
SC 13D	Open SC 13D document	View SEC filing for SC 13D	SCHEDULE 13D	30 Jun 2021
4	Open 4 document	View SEC filing for 4		25 Jun 2021	22 Jun 2021	000-56218
3	Open 3 document	View SEC filing for 3		25 Jun 2021	22 Jun 2021	000-56218

Jonathan Klamkin files with the SEC under CIK 0001869626. This page aggregates EDGAR filings and related ownership activity.

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.