Patrick J. Heron is Director at Mirum Pharmaceuticals, Inc. (MIRM). They have made 29 open-market trades across 11 companies since 2015, most recently 2026-06-05.
29 open-market purchases totalling $100.1M since 2015, never a sale. Across 29 scored buys the stock is up 4.2% at ninety days, and 0.2 points behind the S&P over the same stretch.
29 scored purchases · one row per filing · discretionary only
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 48% | 41% | 72% |
| Avg Move | -1.2% | -2.8% | +4.2% |
| Alpha | -0.1% | -1.5% | -0.2% |
| Scored | 29 | 29 | 29 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| MIRM | BUY | 2026-01-23 | 2026-01-27 | $68.48 | $9.0M | -1.0% | -9.2% | -8.9% |
| ARQT | BUY | 2025-06-13 | 2025-06-17 | $13.08 | $35K | +5.0% | +16.0% | +26.8% |
| ARQT | BUY | 2025-06-04 | 2025-06-06 | $13.34 | $30K | -7.3% | -9.2% | +9.9% |
| ARQT | BUY | 2025-05-21 | 2025-05-23 | $13.66 | $69K | -5.3% | +1.0% | +10.7% |
| ARQT | BUY | 2025-05-15 | 2025-05-19 | $13.62 | $34K | -11.3% | -7.0% | +13.9% |
| ARQT | BUY | 2025-05-13 | 2025-05-15 | $13.76 | $119K | -1.5% | -2.8% | +13.3% |
| ARQT | BUY | 2025-05-09 | 2025-05-13 | $13.60 | $86K | +0.3% | -3.2% | +1.8% |
| MIRM | BUY | 2025-03-14 | 2025-03-18 | $44.10 | $24K | +4.3% | -11.3% | +14.4% |
| MIRM | BUY | 2025-03-10 | 2025-03-12 | $43.30 | $100K | +3.3% | -13.0% | +7.6% |
| MIRM | BUY | 2025-03-06 | 2025-03-10 | $43.77 | $142K | +11.6% | -3.3% | +9.7% |
| MIRM | BUY | 2025-03-04 | 2025-03-06 | $45.47 | $131K | +1.0% | -6.5% | +1.7% |
| MIRM | BUY | 2024-09-18 | 2024-09-20 | $37.40 | $4K | +6.1% | +0.6% | +5.2% |
| MBX | BUY | 2024-09-16 | 2024-09-17 | $16.00 | $10.0M | +11.4% | +7.7% | -11.0% |
| MIRM | BUY | 2024-09-06 | 2024-09-10 | $41.58 | $10K | -7.1% | -8.3% | +3.2% |
| ARQT | BUY | 2024-03-04 | 2024-03-06 | $9.50 | $200K | -2.8% | +7.6% | -25.2% |
| MIRM | BUY | 2023-11-09 | 2023-11-14 | $28.30 | $82K | +3.3% | +11.5% | -3.5% |
| MIRM | BUY | 2023-09-13 | 2023-09-15 | $31.02 | $163K | -6.5% | -15.3% | +5.0% |
| MIRM | BUY | 2023-09-11 | 2023-09-13 | $30.39 | $399K | +2.5% | -6.9% | +11.4% |
| MIRM | BUY | 2023-08-31 | 2023-09-05 | $26.25 | $7.8M | +18.3% | +6.7% | +14.2% |
| PCVX | BUY | 2020-06-16 | 2020-06-16 | $16.00 | $4.0M | -5.9% | -23.9% | +18.8% |
| PASG | BUY | 2020-03-03 | 2020-03-03 | $18.00 | $9.9M | -23.6% | -25.3% | +7.9% |
| ARQT | BUY | 2020-02-04 | 2020-02-06 | $17.00 | $8.5M | +7.6% | +14.8% | +2.0% |
| PHAT | BUY | 2019-10-29 | 2019-10-30 | $19.00 | $20.0M | +15.2% | +10.6% | +64.0% |
| MIRM | BUY | 2019-07-22 | 2019-07-24 | $15.00 | $6.8M | -5.9% | +0.4% | -47.4% |
| ETTX | BUY | 2018-09-28 | 2018-10-02 | $15.00 | $5.6M | -10.6% | -32.0% | -58.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.
| ANAB | 604,055 | $28.1M |
| PASG | 4,459,219 | $16.3M |
| ARQT | 32,213 | $929K |
| ETTX | 337,707 | $740K |
| HLVX | 17,199 | $36K |
| ITRM | 9,006 | $284 |
| TRBN | 4,373 | — |
| Total | $639.2M |
Shares reported on the most recent Form 4, priced at the 2026-06-09 close. 1 holding could not be priced and is excluded from the total.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.