secwatch.observer — SEC 8-K summary
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Issuer:     MBX Biosciences, Inc. (MBX)
CIK:        0001776111
Form:       8-K
Filed at:   2026-06-05T11:52:37+00:00
Accession:  0001193125-26-258417
Event type: other
Sentiment:  neutral
Materiality: 0.20
Item codes: 5.02, 5.07
LLM model:  deepseek-v4-flash:cloud@v2

MBX Biosciences shareholders elect two directors, ratify auditor at 2026 annual meeting
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- Elected Patrick J. Heron and Edward T. Mathers as Class II directors until 2029 annual meeting.
- Ratified Ernst & Young LLP as independent auditor for fiscal year ending December 31, 2026.
- Heron received 35,007,623 votes for, 4,579,129 withheld; Mathers 31,983,223 for, 7,603,529 withheld.
- Auditor ratification: 43,713,693 for, 1,946 against, 1,946 abstain; no broker non-votes.
- Record date April 10, 2026: 47,570,485 shares outstanding.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1776111/000119312526258417/0001193125-26-258417-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1776111/000119312526258417/mbx-20260604.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-258417

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer