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 Heather Kiessling.

Business address: C/O Asp Isotopes Inc., 1101 Pennsylvania Avenue Nw, Suite 300, Washington, Dc, DC, 20004
Top holdings (ownership): ASPI

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Heather Kiessling has filed 5 SEC EDGAR filings since 01 Jul 2024

Recent SEC filings for Heather Kiessling including 4, 144, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	FORM 4	29 Dec 2025	18 Dec 2025	001-41555
144	Open 144 document	View SEC filing for 144		18 Dec 2025
4	Open 4 document	View SEC filing for 4	FORM 4	15 Apr 2025	14 Apr 2025	001-41555
4	Open 4 document	View SEC filing for 4	FORM 4	01 Jul 2024	01 Jul 2024	001-41555
3	Open 3 document	View SEC filing for 3	FORM 3	01 Jul 2024	01 Jul 2024	001-41555

Heather Kiessling files with the SEC under CIK 0002026548. 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.