Company · CIK 0001776111 · SIC 2834 — Pharmaceutical Preparations · Nasdaq
MBX Biosciences, Inc. · MBX
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 4, 2026 SForm 4 → | Aug 5, 4:57 pm EDT | Salomon AzoulayChief Medical Officer | 370 | $65.77 | $24,335 | 14,399 | −2.51% | |
| Aug 3, 2026 AForm 4 → | Aug 4, 8:51 am EDT | John W SmitherChief Financial Officer | 28,000 | — | — | 28,000 | — | |
| Aug 3, 2026 AForm 4 → | Aug 4, 8:50 am EDT | Steven L. HoerterPresident and CEO, Director | 71,000 | — | — | 82,938 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 3, 2026 AForm 4 → | Aug 4, 8:51 am EDT | John W SmitherChief Financial Officer | 130,000 | — | — | 130,000 | — | |
| Aug 3, 2026 AForm 4 → | Aug 4, 8:50 am EDT | Steven L. HoerterPresident and CEO, Director | 331,000 | — | — | 331,000 | — | |
| Jun 4, 2026 AForm 4 → | Jun 5, 2:35 pm EDT | Edward T MathersDirector | 12,500 | — | — | 12,500 | — | |
| Jun 4, 2026 AForm 4 → | Jun 5, 7:59 am EDT | Ora H. PescovitzDirector | 12,500 | — | — | 12,500 | — | |
| Jun 4, 2026 AForm 4 → | Jun 5, 7:59 am EDT | Patrick J HeronDirector, 10% Owner | 12,500 | — | — | 12,500 | — | |
| Jun 4, 2026 AForm 4 → | Jun 5, 7:58 am EDT | Laurie StelzerDirector | 12,500 | — | — | 12,500 | — | |
| Jun 4, 2026 AForm 4 → | Jun 5, 7:57 am EDT | Steven L. HoerterDirector | 12,500 | — | — | 12,500 | — | |
| Jun 4, 2026 AForm 4 → | Jun 5, 7:54 am EDT | Steven RyderDirector | 12,500 | — | — | 12,500 | — | |
| Jun 4, 2026 AForm 4 → | Jun 5, 7:53 am EDT | Tiba AynechiDirector | 12,500 | — | — | 12,500 | — |