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 Dune Acquisition Holdings LLC.

Business address: 700 S. Rosemary Avenue, Suite 204, West Palm Beach, FL, 33401

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Dune Acquisition Holdings LLC has filed 8 SEC EDGAR filings since 17 Dec 2020

Recent SEC filings for Dune Acquisition Holdings LLC including 4, SC 13D/A, SC 13D and more.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4		20 Aug 2025	18 Aug 2025	001-39819
SC 13D/A	Open SC 13D/A document	View SEC filing for SC 13D/A	SC 13D/A	10 Dec 2024
4	Open 4 document	View SEC filing for 4		09 Dec 2024	05 Dec 2024	001-39819
SC 13D	Open SC 13D document	View SEC filing for SC 13D	SC 13D	02 Jan 2024
4	Open 4 document	View SEC filing for 4		26 Dec 2023	21 Dec 2023	001-39819
4	Open 4 document	View SEC filing for 4		08 Dec 2023	20 Sep 2023	001-39819
SC 13G	Open SC 13G document	View SEC filing for SC 13G	SCHEDULE 13G	16 Feb 2021
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	17 Dec 2020	17 Dec 2020	001-39819

Dune Acquisition Holdings LLC files with the SEC under CIK 0001823247. 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.