MBX Biosciences, Inc. (MBX) has 3 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $24K. Most recent filing: Aug. 5, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Aug. 5, 2026 filed Aug. 4, 2026 | Azoulay Salomon Chief Medical Officer | −$24,335 | 370 | −3% | No | |
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| Aug. 4, 2026 filed Aug. 3, 2026 | Hoerter Steven L. President and CEO | $0 | 402,000 | +27% | No | |
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| Aug. 4, 2026 filed Aug. 3, 2026 | Smither John W Chief Financial Officer | $0 | 158,000 | +27% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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