MBX
MBX Biosciences, Inc. · Healthcare · Market cap $2.3B
Insiders sold $2.7M net in the last 90 days ·2 sellers, 0 buyers· 1 of 4 sales under Rule 10b5-1 plans· latest Form 4 filed Aug 5, 2026
Insider Buying
$526K
reported purchases (SEC code P)
Insider Selling
$2.7M
reported sales (SEC code S)
Unique Insiders
2
in the rolling window
Latest filing
Aug 5, 2026
Azoulay Salomon
MBX Biosciences, Inc. (MBX) has 13 SEC Form 4 filings (16 transaction rows) in the rolling window, disclosed by 2 distinct insiders. Most recent filing: Aug 5, 2026.
Inside the rolling window, 2 insiders at MBX Biosciences, Inc. reported 1 open-market purchase totaling $526K and 4 open-market sales totaling $2.7M. The most active filer is Chief Medical Officer Azoulay Salomon with 3 filings. Insiders have net sold $2.2M over the trailing 6 months. The most recent open-market filing is a sale of 370 shares by Chief Medical Officer Azoulay Salomon, dated Aug 4, 2026, worth $24K.
- Industry:Biotechnology
- CEO:Steve Hoerter
- Employees:63
- HQ:Carmel, IN, US
- IPO:2024-09-13
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Medical Officer | Sale | 370 | $24K | Aug 5 | -28.1% | SEC ↗ | |
| Chief Medical Officer | Sale | 70,003 | $2.7M | May 11 | +21.0% | SEC ↗ | |
| President & CEO | Sale | 607 | $18K | May 8 | +18.4% | SEC ↗ | |
Azoulay SalomonFirst filing | Chief Medical Officer | Sale | 231 | $7K | May 8 | +18.4% | SEC ↗ |
Hawryluk P. KentFirst filing | President & CEO | Purchase | 18,500 | $526K | Mar 16 | +62.8% | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does MBX have?
MBX Biosciences, Inc. (MBX) has 13 SEC Form 4 filings (16 transaction rows) in the rolling 365-day window, disclosed by 2 distinct insiders. Most recent filing: Aug 5, 2026.
When was the most recent SEC Form 4 filing for MBX?
The most recent Form 4 filing for MBX on Tracefour is dated Aug 5, 2026.
Who is the most active insider at MBX?
The most active SEC Form 4 filer at MBX in the rolling window is Chief Medical Officer Azoulay Salomon, with 3 filings.
What is the net insider flow at MBX over the last 6 months?
Over the trailing 180 days, insiders at MBX have net sold $2.2M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at MBX in the current window?
Inside the rolling window, insiders at MBX bought $526K and sold $2.7M based on SEC Form 4 filings.
Can I get alerts for MBX insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at MBX Biosciences, Inc. (MBX). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
MBX Biosciences, Inc. is in the Healthcare sector.