▲ BUY
9
/ 10
Conviction
$ Value
$12.0M
Shares
666,666
Price
$18
Filed
Sep 30
▶ Why this score? (9/10)
- ✓ Open market buy (+3)
- ✓ Trade value >= $5.0M (+3)
- ✓ Director (+1)
- ✓ 10%+ owner (+1)
- ✓ Not a 10b5-1 plan (+1)
Insider
Name
Heron Patrick J
Title
—
CIK
0001365617
Roles
Director
10% Owner
Transaction Details
Transaction Date
2025-09-26
Code
P
Table
Non-Derivative
Ownership
Indirect
Equity Swap
No
Shares After
5,219,440
Footnotes
The shares reported herein are held of record by Frazier Life Sciences X, L.P. FHMLS X, L.P. is the general partner of Frazier Life Sciences X, L.P. and FHMLS X, L.L.C. is the general partner of FHMLS X, L.P. James N. Topper and Patrick J. Heron are the sole managing members of FHMLS X, L.L.C. and share voting and investment power over the shares held by Frazier Life Sciences X, L.P. Dr. Topper and Mr. Heron disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.
Filing Info
Heron Patrick J's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-01-23 | MIRM | J | — |
| 2026-01-23 | MIRM | ▲ | $9.0M |
| 2025-09-26 | MBX | ▲ | $12.0M ★ |
| 2025-06-23 | HLVX | A | $0 |
| 2025-06-13 | ARQT | ▲ | $35K |
| 2025-06-12 | ARQT | A | $0 |
| 2025-06-12 | ARQT | A | $0 |
| 2025-06-05 | ARQT | ▲ | $5K |
| 2025-06-05 | MBX | A | $0 |
| 2025-06-04 | ARQT | ▲ | $25K |
Other Insiders at MBX (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Hawryluk P. Kent
President & CEO
|
$526K | — | 2026-03-13 |
| Hoerter Steven L. | — | — | 2025-11-22 |
|
Bartram Richard
Chief Financial Officer
|
— | — | 2026-02-02 |
|
Azoulay Salomon
Chief Medical Officer
|
— | — | 2026-02-02 |