Key facts
- Patrick J. Heron has 6 issuer positions tracked on this page.
- Estimated disclosed ownership value: $628,363,103.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Patrick J. Heron
- Location
- Palo Alto, CA
- Summary
- The estimated net worth of Patrick J. Heron is at least $628,363,103 dollars as of 27 Jan 2026. Patrick J. Heron is the Director of Mirum Pharmaceuticals, Inc. and owns shares of Mirum Pharmaceuticals, Inc. (MIRM) stock worth about $313.78M. Patrick J. Heron is the Director of Arcutis Biotherapeutics, Inc. and owns shares of Arcutis Biotherapeutics, Inc. (ARQT) stock worth about $121.14M. Patrick J. Heron is the Director, 10%+ Owner of MBX Biosciences, Inc. and owns shares of MBX Biosciences, Inc. (MBX) stock worth about $93.95M. Patrick J. Heron is the Director of Imago BioSciences, Inc. and owns shares of Imago BioSciences, Inc. stock worth about $83.24M. Patrick J. Heron is the Director of HilleVax, Inc. and owns shares of HilleVax, Inc. stock worth about $16.25M.
- Signature
- /s/ Jennifer Martin, Attorney-in-Fact For Patrick J. Heron
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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Change
- Largest disclosed position: Mirum Pharmaceuticals, Inc. ($313,780,314).
- Past-year value change for that position: +$8,999,984.
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
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Patrick J. Heron
MIRM
Forms 3/4/5
Mirum Pharmaceuticals, Inc.
- Relationship
- Director
- Holdings value
- $313,780,314
- Past year net change
- +$8,999,984
- Change %
- +3%
- Report period
- 23 Jan 2026
ARQT
Forms 3/4/5
Arcutis Biotherapeutics, Inc.
- Relationship
- Director
- Holdings value
- $121,139,135
- Past year net change
- +$64,857
- Change %
- +0.05%
- Report period
- 13 Jun 2025
MBX
Forms 3/4/5
MBX Biosciences, Inc.
- Relationship
- Director, 10%+ Owner
- Holdings value
- $93,949,920
- Past year net change
- +$11,999,988
- Change %
- +15%
- Report period
- 26 Sep 2025
IMGO
Forms 3/4/5
Imago BioSciences, Inc.
- Relationship
- Director
- Holdings value
- $83,243,916
- Past year net change
- Change %
- Report period
- 20 Jul 2021
HLVX
Forms 3/4/5
HilleVax, Inc.
- Relationship
- Director
- Holdings value
- $16,249,818
- Past year net change
- Change %
- Report period
- 23 Jun 2025
PCVX
Forms 3/4/5
Vaxcyte, Inc.
- Relationship
- Director
- Holdings value
- Past year net change
- Change %
- Report period
- 02 Jun 2021
Insider Transactions Reported by Patrick J. Heron:
| 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.