8-K current report · filed Jul 13, 2026

MBX Biosciences, Inc. (MBX) 8-K Current Report: July 13, 2026

Item 5.02MBX overview

Short answer

MBX Biosciences, Inc. (MBX) filed an 8-K current report with the SEC on July 13, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers). CEO Kent Hawryluk departs July 13, 2026 without reported dispute, creating leadership transition risk.

MBX Biosciences, Inc. 8-K event analysis

AI summary of each reported item and its exhibits

Item 5.02 · Departure/Election of Directors or Officers

  • CEO Kent Hawryluk departs July 13, 2026 without reported dispute, creating leadership transition risk
  • Steven Hoerter becomes CEO from executive chairman role at $665,000 base salary and 60% target bonus
  • Hoerter receives options on 331,000 shares and RSUs covering 71,000 shares, increasing potential dilution
  • CFO John Smither appointed permanently at $530,000 salary and 40% target bonus after interim service
  • Smither receives $150,000 relocation bonus, options on 130,000 shares, and RSUs covering 28,000 shares

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