Mbx Biosciences, Inc. · NASDAQ:MBX
James N. Topper reported a 11.70% stake in Mbx Biosciences, Inc. (Schedule 13D/A)
Event Aug 6, 2026 · Filed Aug 10, 2026
James N. Topper reported a 11.70% stake in Mbx Biosciences, Inc., 5,219,440 shares, with active intent on Aug 6, 2026. Filed Aug 10, 2026 (Schedule 13D/A).
- Stake
- 11.70%
- Shares
- 5,219,440
- Intent
- Active
- What changed
- Stake changed
- Filed together
- 11 holders
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| Frazier Life Sciences Public Fund, L.P. | 3.00% | 1,429,573 |
| FHMLSP, L.P. | 3.00% | 1,429,573 |
| FHMLSP, L.L.C. | 3.00% | 1,429,573 |
| Frazier Life Sciences X, L.P. | 10.80% | 5,219,440 |
| FHMLS X, L.P. | 10.80% | 5,219,440 |
| FHMLS X, L.L.C. | 10.80% | 5,219,440 |
| Frazier Life Sciences XI, L.P. | 0% | 3,000 |
| FHMLS XI, L.P. | 0% | 3,000 |
| FHMLS XI, L.L.C. | 0% | 3,000 |
| James N. Topper | 11.70% | 5,219,440 |
| Patrick J. Heron | 11.70% | 5,243,421 |