Entity Type
Individual
Filer Snapshot
Heather Kiessling SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0002026548.
Total Filings
7
Latest Filing
17 Apr 2026
Industry
n/a
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Source: SEC Forms 3/4/5
View Source Filing
4 filed on 17 Apr 2026 for CIK 0002026548.
- Business address
- C/O Asp Isotopes Inc., 1101 Pennsylvania Avenue Nw, Suite 300, Washington, Dc, DC, 20004
- Top holdings (ownership)
- ASPI
Quick Takeaways
- Heather Kiessling is an SEC filer tracked under CIK 0002026548.
- 7 filings are listed on this profile.
- Common form coverage includes 4, 144, 3.
What Changed
- Latest filing: 4 filed on 17 Apr 2026.
- Report period: 15 Apr 2026.
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 Forms 3/4/5
View Source Filing
4 filed on 17 Apr 2026 for CIK 0002026548.
Return Loop
Why revisit this filer page
A newly filed 4 can change the filing history, ownership context, or next research path for Heather Kiessling.
- Latest source-backed update
- 4 filed 17 Apr 2026
- Why come back
- Revisit after a new SEC filing appears to compare the updated record with prior filings.
- Latest filing on record: 4 filed 17 Apr 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.
Latest update
What changed recently for Heather Kiessling
Latest ownership report period: 15 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
17 Apr 2026
Page type
Ownership filings
Latest period
15 Apr 2026
Ownership context was refreshed from SEC Forms 3/4/5 filed on 17 Apr 2026.
Filer Overview
Heather Kiessling has filed 7 SEC EDGAR filings since 01 Jul 2024. Common forms include 4, 144, 3.
Latest Filings
Recent SEC filings for Heather Kiessling with direct links to document and filing folders.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 17 Apr 2026 | 15 Apr 2026 | 001-41555 |
| 144 | Open 144 document | View SEC filing for 144 | 15 Apr 2026 | |||
| 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 |
About this filer
Heather Kiessling files with the SEC under CIK 0002026548. This page aggregates EDGAR filings and related ownership activity.
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.