Heron Patrick J
SEC insider (Form 3/4/5 filer). CIK 0001365617. Director at Mirum Pharmaceuticals, Inc. (MIRM) and 3 other issuers. 38 reported Form 4/5 transactions since Sep 2024; latest on Jun 15, 2026. Located in CARMEL, IN.
Companies Heron Patrick J has filed insider reports for
- Mirum Pharmaceuticals, Inc. (MIRM): Director
- Arcutis Biotherapeutics, Inc. (ARQT): Director
- MBX Biosciences, Inc. (MBX): Director, 10% Owner
- HilleVax, Inc. (HLVX): Director
Heron Patrick J
CIK: 0001365617
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (38 total)
- Jun 15, 2026MIRM
Mirum Pharmaceuticals, Inc.
AwardDirectStock Option (right to buy)
3.8K shares- - Jun 15, 2026MIRM
Mirum Pharmaceuticals, Inc.
AwardDirectDeferred Stock Units
2K shares- - Jun 5, 2026ARQT
Arcutis Biotherapeutics, Inc.
AwardDirect5.8K shares- - Jun 4, 2026MBX
MBX Biosciences, Inc.
AwardDirectStock option (right to buy)
12.5K shares- - Jan 23, 2026MIRM
Mirum Pharmaceuticals, Inc.
OtherIndirect159.3K shares- - Jan 23, 2026MIRM
Mirum Pharmaceuticals, Inc.
PurchaseIndirect131.4K shares at avg. $68.48$9.0M - Sep 26, 2025MBX
MBX Biosciences, Inc.
PurchaseIndirect666.7K shares at avg. $18.00$12.0M - Jun 23, 2025HLVX
HilleVax, Inc.
AwardDirect17.2K shares- - Jun 13, 2025ARQT
Arcutis Biotherapeutics, Inc.
PurchaseIndirect2.6K shares at avg. $13.08$35K - Jun 12, 2025ARQT
Arcutis Biotherapeutics, Inc.
AwardDirect7.6K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 15, 2026 |  MIRM Mirum Pharmaceuticals, Inc. | Award Stock Option (right to buy) | 3,772 | - | - | Direct |
| Jun 15, 2026 | MIRM Mirum Pharmaceuticals, Inc. | Award Deferred Stock Units | 1,980 | - | - | Direct |
| Jun 5, 2026 |  ARQT Arcutis Biotherapeutics, Inc. | Award | 5,778 | - | $0 | Direct |
| Jun 4, 2026 |  MBX MBX Biosciences, Inc. | Award Stock option (right to buy) | 12,500 | - | - | Direct |
| Jan 23, 2026 | MIRM Mirum Pharmaceuticals, Inc. | Other | 159,277 | - | $0 | Indirect |
| Jan 23, 2026 | MIRM Mirum Pharmaceuticals, Inc. | Purchase | 131,425 | $68.48 | $8,999,984 | Indirect |
| Sep 26, 2025 | MBX MBX Biosciences, Inc. | Purchase | 666,666 | $18.00 | $11,999,988 | Indirect |
| Jun 23, 2025 |  HLVX HilleVax, Inc. | Award | 17,199 | - | - | Direct |
| Jun 13, 2025 | ARQT Arcutis Biotherapeutics, Inc. | Purchase | 2,646 | $13.08 | $34,610 | Indirect |
| Jun 12, 2025 | ARQT Arcutis Biotherapeutics, Inc. | Award | 7,609 | - | - | Direct |
1-10 of 38 transactions