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CIK 0001776111 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company

MBX Biosciences, Inc.

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Ticker
MBX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
3179893100
Business address
11711 N. MERIDIAN STREET, SUITE 300, CARMEL, IN, 46032
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$288,361
in 2 filings

Net −$288,361. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Hoerter Steven L. −$268K Chairman, President and CEO sold 6% of stake
  2. Azoulay Salomon −$20K Chief Medical Officer sold 3% of stake
Date Insider Transaction Shares Price Value Owned after
2026-11-10 Hoerter Steven L. Chairman, President and CEO Sale −4,893 $54.82 $268K 78,045
2026-11-04 Azoulay Salomon Chief Medical Officer Sale −373 $53.96 $20K 14,026
2026-10-20 Radovich Peter Director Grant or award · Stock option (right to buy) +18,200 18,200
2026-08-04 Azoulay Salomon Chief Medical Officer Sale −370 $65.77 $24K 14,399
2026-08-03 Smither John W Chief Financial Officer Grant or award +28,000 28,000
2026-08-03 Smither John W Chief Financial Officer Grant or award · Stock option (right to buy) +130,000 130,000
2026-08-03 Hoerter Steven L. President and CEO Grant or award +71,000 82,938
2026-08-03 Hoerter Steven L. President and CEO Grant or award · Stock option (right to buy) +331,000 331,000
2026-06-04 Mathers Edward T Director Grant or award · Stock option (right to buy) +12,500 12,500
2026-06-04 Pescovitz Ora H. Director Grant or award · Stock option (right to buy) +12,500 12,500
2026-06-04 Heron Patrick J Director Grant or award · Stock option (right to buy) +12,500 12,500
2026-06-04 Stelzer Laurie Director Grant or award · Stock option (right to buy) +12,500 12,500
2026-06-04 Hoerter Steven L. Director Grant or award · Stock option (right to buy) +12,500 12,500
2026-06-04 Ryder Steven Director Grant or award · Stock option (right to buy) +12,500 12,500
2026-06-04 Aynechi Tiba Director Grant or award · Stock option (right to buy) +12,500 12,500
2026-05-08 Azoulay Salomon Chief Medical Officer Option exercise 10b5-1 +55,000 $10.46 $575K 69,769
2026-05-08 Azoulay Salomon Chief Medical Officer Sale 10b5-1 −55,000 $38.38 $2.1M 14,769
2026-05-08 Azoulay Salomon Chief Medical Officer Option exercise 10b5-1 +15,003 $16.00 $240K 29,772
2026-05-08 Azoulay Salomon Chief Medical Officer Sale 10b5-1 −15,003 $38.30 $575K 14,769
2026-05-08 Azoulay Salomon Chief Medical Officer Option exercise · Stock option (right to buy) 10b5-1 +55,000 194,540

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