• Info
  • Insider Ownership

Insider Trading & Ownership of William Hartzel

Location
Gaithersburg, MD
Summary
The estimated net worth of William Hartzel is at least $958,196 dollars as of 05 Mar 2026. William Hartzel is the SVP, Bioservices of Emergent BioSolutions Inc. and owns shares of Emergent BioSolutions Inc. (EBS) stock worth about $958.2K.
Signature
/s/ Richard S. Lindahl, Attorney-in-fact
All Insider Reports
All Insider Reports

Follow Filing Activity

Follow William Hartzel and return when a new Insider Trading filing appears.

This tracks SEC filing changes for this page using existing product update flows.

Sponsored

Quick Takeaways

  • William Hartzel has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $958,196.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Emergent BioSolutions Inc. ($958,196).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of William Hartzel

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
EBS Emergent BioSolutions Inc. SVP, Bioservices $958,196 03 Mar 2026

Insider Transactions Reported by William Hartzel:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.