Insider Trading & Ownership of Tomas J. Heyman

Location
South San Francisco, CA
Summary
The estimated net worth of Tomas J. Heyman is at least $2,175,835 dollars as of 18 Mar 2026. Tomas J. Heyman is the Director of EXELIXIS, INC. and owns shares of EXELIXIS, INC. (EXEL) stock worth about $1.53M. Tomas J. Heyman is the Director of Legend Biotech Corp and owns shares of Legend Biotech Corp (LEGN) stock worth about $646.5K.
Signature
/s/ James Pepin, Attorney-in-Fact
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Key facts

  • Tomas J. Heyman has 6 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $2,175,835.
  • Recent insider filing activity is available below.

Change

  • Largest disclosed position: EXELIXIS, INC. ($1,529,339).
  • Past-year value change for that position: .

Research use

  • 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.

Evidence

Filed on Form 4

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

See Original Filing

Ownership of Tomas J. Heyman

EXEL Forms 3/4/5

EXELIXIS, INC.

Relationship
Director
Holdings value
$1,529,339
Past year net change
Change %
Report period
29 May 2025
LEGN Forms 3/4/5

Legend Biotech Corp

Relationship
Director
Holdings value
$646,496
Past year net change
Change %
Report period
18 Mar 2026
IVVD Forms 3/4/5

Invivyd, Inc.

Relationship
Director
Holdings value
Past year net change
Change %
Report period
23 May 2023
OPTN Forms 3/4/5

OptiNose, Inc.

Relationship
Director
Holdings value
Past year net change
Change %
Report period
21 May 2025

Insider Transactions Reported by Tomas J. Heyman:

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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