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  • Insider Ownership

Insider Trading & Ownership of Susan K. Langer

Location
Cambridge, MA
Summary
The estimated net worth of Susan K. Langer is at least $650,472 dollars as of 18 Jun 2025. Susan K. Langer is the Director of BIOGEN INC. and owns shares of BIOGEN INC. (BIIB) stock worth about $650.5K.
Signature
/s/ Wendell Taylor, attorney-in-fact for Susan K. Langer
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Quick Takeaways

  • Susan K. Langer has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $650,472.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: BIOGEN INC. ($650,472).
  • 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 Susan K. Langer

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
BIIB BIOGEN INC. Director $650,472 17 Jun 2025

Insider Transactions Reported by Susan K. Langer:

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.

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