Heron Patrick J — SEC Form 4 filings
SEC reporting owner CIK 1365617. 31 Form 4 filings on record with FilingPulse; latest filed 2026-06-17.
Transaction summary — filings shown
Covers all 31 filings on record, filed 2024-03-06 to 2026-06-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 26 legs across 17 filings — 1,487,150 shares, $31,995,311 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 25.
- Largest priced transaction: purchase of 666,666 shares @ $18.00 ($11,999,988) in MBX Biosciences, Inc., filed 2025-09-30.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MBX Biosciences, Inc. (MBX) | Director, 10% owner | 5 | 2 legs · 1,291,666 sh · $21,999,988 | — | 6 |
| Mirum Pharmaceuticals, Inc. (MIRM) | Director | 10 | 13 legs · 138,134 sh · $9,293,965 | — | 9 |
| Arcutis Biotherapeutics, Inc. (ARQT) | Director | 11 | 10 legs · 48,500 sh · $573,033 | — | 6 |
| HilleVax, Inc. (HLVX) | Director, 10% owner | 5 | 1 leg · 8,850 sh · $128,325 | — | 4 |
Form 4 filings — Heron Patrick J
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-17 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Grant/award (A): 3,772 (derivative) @ $0 · Grant/award (A): 1,980 (derivative) @ $0 | EDGAR |
| 2026-06-12 | 4/A | Arcutis Biotherapeutics, Inc. (ARQT) | Holdings only — no transactions reported | EDGAR |
| 2026-06-09 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Grant/award (A): 5,778 @ $0 · Grant/award (A): 16,667 (derivative) @ $0 | EDGAR |
| 2026-06-05 | 4 | MBX Biosciences, Inc. (MBX) | Grant/award (A): 12,500 (derivative) @ $0 | EDGAR |
| 2026-01-27 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Other (J): 159,277 · Purchase (P): 131,425 @ $68.48 | EDGAR |
| 2025-09-30 | 4 | MBX Biosciences, Inc. (MBX) jointly with FHMLS X, L.P., FHMLS X, L.L.C., Topper James N, Frazier Life Sciences X, L.P. | Purchase (P): 666,666 @ $18 | EDGAR |
| 2025-09-17 | 4 | HilleVax, Inc. (HLVX) jointly with Frazier Life Sciences X, L.P., FHMLS X, L.P., FHMLS X, L.L.C., Topper James N | Code (U): 8,535,337 @ $1.95 · Code (U): 17,199 @ $1.95 | EDGAR |
| 2025-06-25 | 4 | HilleVax, Inc. (HLVX) | Grant/award (A): 17,199 @ $0 | EDGAR |
| 2025-06-17 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Purchase (P): 2,646 @ $13.08 | EDGAR |
| 2025-06-16 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Grant/award (A): 7,609 @ $0 · Grant/award (A): 20,568 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | MBX Biosciences, Inc. (MBX) | Grant/award (A): 16,000 (derivative) @ $0 | EDGAR |
| 2025-06-06 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Purchase (P): 1,890 @ $13.32 · Purchase (P): 378 @ $13.41 | EDGAR |
| 2025-06-02 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Option exercise (M): 5,703 · Option exercise (M): 5,703 (derivative) @ $0 · Grant/award (A): 6,268 (derivative) @ $0 · Grant/award (A): 3,977 (derivative) @ $0 | EDGAR |
| 2025-05-23 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Purchase (P): 2,520 @ $13.66 · Purchase (P): 2,520 @ $13.65 | EDGAR |
| 2025-05-19 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Purchase (P): 2,520 @ $13.62 | EDGAR |
| 2025-05-15 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Purchase (P): 2,374 @ $13.76 · Purchase (P): 6,300 @ $13.76 | EDGAR |
| 2025-05-13 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Purchase (P): 6,300 @ $13.60 | EDGAR |
| 2025-04-30 | 4 | HilleVax, Inc. (HLVX) | Grant/award (A): 22,500 (derivative) @ $0 | EDGAR |
| 2025-03-18 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Purchase (P): 528 @ $44.11 · Purchase (P): 21 @ $43.93 | EDGAR |
| 2025-03-12 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Purchase (P): 758 @ $42.66 · Purchase (P): 577 @ $43.37 · Purchase (P): 963 @ $43.77 | EDGAR |
| 2025-03-10 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Purchase (P): 1,335 @ $43.89 · Purchase (P): 580 @ $43.21 | EDGAR |
| 2025-03-06 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Purchase (P): 1,279 @ $45.55 · Purchase (P): 56 @ $45.96 · Purchase (P): 267 @ $44.55 | EDGAR |
| 2024-09-20 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Purchase (P): 115 @ $37.40 | EDGAR |
| 2024-09-17 | 4 | MBX Biosciences, Inc. (MBX) | Conversion (C): 3,927,774 · Purchase (P): 625,000 @ $16 · Conversion (C): 18,922,852 (derivative) · Conversion (C): 28,297,265 (derivative) | EDGAR |
| 2024-09-13 | 4 | MBX Biosciences, Inc. (MBX) | Grant/award (A): 15,963 (derivative) @ $0 | EDGAR |
| 2024-09-10 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Purchase (P): 230 @ $41.58 | EDGAR |
| 2024-06-18 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Grant/award (A): 10,139 @ $0 · Grant/award (A): 27,052 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Mirum Pharmaceuticals, Inc. (MIRM) | Grant/award (A): 8,779 (derivative) @ $0 · Grant/award (A): 5,703 (derivative) @ $0 | EDGAR |
| 2024-05-31 | 4/A | HilleVax, Inc. (HLVX) jointly with Frazier Life Sciences X, L.P., FHMLS X, L.P., FHMLS X, L.L.C., Topper James N | Holdings only — no transactions reported | EDGAR |
| 2024-04-08 | 4 | HilleVax, Inc. (HLVX) jointly with Frazier Life Sciences X, L.P., FHMLS X, L.P., FHMLS X, L.L.C., Topper James N | Purchase (P): 8,850 @ $14.50 | EDGAR |
| 2024-03-06 | 4 | Arcutis Biotherapeutics, Inc. (ARQT) | Purchase (P): 21,052 @ $9.50 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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