Filer Snapshot

William Hartzel SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001989644.

Entity Type

Individual

Total Filings

17

Latest Filing

05 Mar 2026

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 05 Mar 2026 for CIK 0001989644.

View Source Filing
Business address
C/O Emergent Biosolutions Inc., 300 Professional Drive, Gaithersburg, MD, 20879
Top holdings (ownership)
EBS

Quick Takeaways

  • William Hartzel is an SEC filer tracked under CIK 0001989644.
  • 17 filings are listed on this profile.
  • Common form coverage includes 4, 4/A, 3.

What Changed

  • Latest filing: 4 filed on 05 Mar 2026.
  • Report period: 03 Mar 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

4 filed on 05 Mar 2026 for CIK 0001989644.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for William Hartzel.

Latest source-backed update
4 filed 05 Mar 2026
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 05 Mar 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for William Hartzel

Ownership report updated

Latest ownership report period: 03 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

05 Mar 2026

Page type

Ownership filings

Latest period

03 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 05 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

William Hartzel has filed 17 SEC EDGAR filings since 15 Aug 2023. Common forms include 4, 4/A, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for William Hartzel 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 05 Mar 2026 03 Mar 2026 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 10 Feb 2026 06 Feb 2026 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2025 11 Nov 2025 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 15 Jul 2025 11 Jul 2025 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 10 Jun 2025 08 Jun 2025 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 09 Apr 2025 07 Apr 2025 001-33137
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 09 Apr 2025 06 Mar 2025 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 10 Mar 2025 06 Mar 2025 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2025 05 Mar 2025 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2024 11 Nov 2024 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 12 Jul 2024 11 Jul 2024 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 11 Jun 2024 08 Jun 2024 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 09 Apr 2024 07 Apr 2024 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 15 Mar 2024 13 Mar 2024 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2024 05 Mar 2024 001-33137
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2023 11 Nov 2023 001-33137
3 Open 3 document View SEC filing for 3 FORM 3 15 Aug 2023 08 Aug 2023 001-33137

About this filer

William Hartzel files with the SEC under CIK 0001989644. 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.