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Planned sale

Mbx Biosciences (MBX): Officer filed to sell ~$20K

Azoulay Salomon, Officer at Mbx Biosciences, filed to sell ~$20K of Mbx Biosciences shares.

~$20K
planned to sell · 373 shares, around Nov 4, 2026
Planned for
Nov 4, 2026
Notice filed
Nov 4, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Oct 20, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“Effective as of October 20, 2026, the board of directors (the “Board”) of MBX Biosciences, Inc. (the “Company”), upon the recommendation of the Nominating and Corporate Governance Committee of the Board (the “NCG Committee”), appointed Peter Radovich as a director of the Company.”
  2. Nov 4, 2026InsiderOfficer sold ~$20K of MBX shares in the open market

What came next

  1. Nov 5, 20265% stakeFMR LLC reported a passive stake (13G) of 15.0%
  2. Nov 9, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
  3. Nov 10, 2026InsiderCEO sold ~$268K of MBX shares in the open market
View the official recordSEC Form 144

How to read SEC Form 144

Form 144 is a notice that a company insider plans to sell shares. It is filed when the sell order is placed, so it announces a planned sale and does not prove that the sale took place.

Full guide: What is an SEC Form 144?

What else is on file for Mbx Biosciences

For Mbx Biosciences, OQRO holds 4 insider filings (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MBX page.

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Other disclosures at Mbx Biosciences

Everything OQRO holds on this company is on its MBX page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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