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  • Insider Ownership

Insider Trading & Ownership of Robert L. Rosiello

Location
Seattle, WA
Signature
/s/ Thomas J. DesRosier, Attorney-in-Fact for Robert L. Rosiello
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Follow Filing Activity

Follow Robert L. Rosiello and return when a new Insider Trading filing changes the record on this page.

This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.

Quick Takeaways

  • Robert L. Rosiello has 5 issuer positions tracked on this page.
  • Estimated disclosed ownership value is not available.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Axcella Health Inc. ().
  • 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.

Source Evidence

Filed on Form 4

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

See Original Filing

Ownership of Robert L. Rosiello

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AXLA Axcella Health Inc. Director 16 Nov 2022
EVLO Evelo Biosciences, Inc. Director 08 Jun 2023
OMGA Omega Therapeutics, Inc. Director 02 Oct 2024
SANA Sana Biotechnology, Inc. Director 05 Jun 2025
MCRB Seres Therapeutics, Inc. Director 05 Aug 2025

Insider Transactions Reported by Robert L. Rosiello:

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.