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MBX · MBX Biosciences, Inc. · Proposed Sales

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$58.62 +0.87 (+1.51%) At close · Sep 30
Russell 2000 member Rebalance outlook locked
Market Cap
$2.58B
Shares
48.16M
Volume · Sep 30 523.79K Avg daily vol (3M) 575.85K

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-08-17 Hawryluk P. Kent 3,745
2026-08-04 Azoulay Salomon 370
2026-08-04 Hawryluk P. Kent 936
2026-06-10 Bartram Richard 9,167
2026-06-09 Bartram Richard 10,833
2026-05-13 Bartram Richard 15,000
2026-05-11 Bartram Richard 22,500
2026-05-08 Azoulay Salomon 70,003
2026-05-08 Bartram Richard 10,000
2026-05-07 Bartram Richard 10,000
2026-05-06 Hawryluk P. Kent 607
2026-05-06 Azoulay Salomon 231
2026-05-01 Bartram Richard 5,000
2026-04-22 Bartram Richard 10,423
2026-03-25 Bartram Richard 1,061
2026-03-16 Bartram Richard 10,000
2026-01-12 CORNELIUS JAMES M 30,864
Showing 1–17 of 17 filings
Key facts CIK 1776111 CUSIP 55287L101 13F (30d) 3 filings 3 filers Visit website Investor relations