Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-09-26 Purchase | 2025-09-30 4:59 pm | MBX Biosciences Inc. | MBX | Heron Patrick J FHMLS X L.P. FHMLS X L.L.C. Topper James N Frazier Life Sciences X L.P. Director 10% Owner | 666,666 | $18 | $11,999,988 | 5,219,440 (Indirect) | View |
| 2024-09-16 Purchase | 2024-09-17 8:11 pm | MBX Biosciences Inc. | MBX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N 10% Owner | 625,000 | $16 | $10,000,000 | 4,552,774 (Direct) | View |
| 2024-04-04 Purchase | 2024-04-08 4:22 pm | HilleVax Inc. | HLVX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N Heron Patrick J 10% Owner | 8,850 | $14.5 | $128,325 | 8,544,187 (Direct) | View |
| 2022-05-03 Purchase | 2022-05-03 4:23 pm | HilleVax Inc. | HLVX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N Heron Patrick J 10% Owner | 1,764,706 | $17 | $30,000,002 | 8,535,337 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-09-17 Equity Swap | 2025-09-17 5:20 pm | N/A N/A | HilleVax Inc. | HLVX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N Heron Patrick J 10% Owner | 8,552,536 | $1.95 | 0 (Indirect) | View |
| 2024-09-16 Conversion | 2024-09-17 8:11 pm | N/A N/A | MBX Biosciences Inc. | MBX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N 10% Owner | 51,147,891 | $0 | 4,552,774 (Direct) | View |
Ownership | 2024-09-12 7:15 pm | N/A N/A | MBX Biosciences Inc. | MBX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N 10% Owner | 0 | $0 | 3,927,774 (Direct) | View |
| 2022-05-03 Conversion | 2022-05-03 4:23 pm | N/A N/A | HilleVax Inc. | HLVX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N Heron Patrick J 10% Owner | 2,736,234 | $13.6 | 8,535,337 (Direct) | View |
| 2022-05-03 Conversion | 2022-05-03 4:23 pm | N/A N/A | HilleVax Inc. | HLVX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N Heron Patrick J 10% Owner | 37,212,796 | $0 | 8,535,337 (Direct) | View |
Ownership | 2022-04-28 9:37 pm | N/A N/A | HilleVax Inc. | HLVX | Frazier Life Sciences X L.P. FHMLS X L.P. FHMLS X L.L.C. Topper James N Heron Patrick J 10% Owner | 0 | $0 | 6,770,631 (Direct) | View |