// company-profile
MBX Biosciences, Inc.
MBX// activity-summary
Recent insider activity is bullish. Over the last 30 days, 7 insiders purchased shares. Buying was led by Mathers Edward T.
// 90-day insight
Over the last 90 days, MBX Biosciences, Inc. insiders bought $0 (11 transactions) and sold $25K (2 transactions).
- Most active insider: Azoulay Salomon with 7 transactions totaling $3.5M.
- Largest single sale: $2.1M by Azoulay Salomon on May 8, 2026.
- 50% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of MBX Biosciences, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 4, 2026 | Mathers Edward T | MBX | Award | 12,500 | $0.00 | $0K |
| Jun 4, 2026 | Aynechi Tiba | MBX | Award | 12,500 | $0.00 | $0K |
| Jun 4, 2026 | Hoerter Steven L. | MBX | Award | 12,500 | $0.00 | $0K |
| Jun 4, 2026 | Pescovitz Ora H. | MBX | Award | 12,500 | $0.00 | $0K |
| Jun 4, 2026 | Ryder Steven | MBX | Award | 12,500 | $0.00 | $0K |
45 more transactions hidden
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