---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-019277"
form_type: "8-K"
ticker: null
cik: "0002040807"
company_name: "Metsera, Inc."
filed_at: "2025-02-03T23:59:59+00:00"
generated_at: "2026-05-27T04:11:58.591114+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Metsera adopts amended charter and bylaws upon IPO closing; classified board, exclusive forum

## Summary
- Authorized common stock fixed at 800M shares; 10M undesignated preferred shares created.
- Board classified into three classes with staggered three-year terms; directors removable only for cause by 2/3 vote.
- Stockholders lose right to act by written consent; advance notice required for nominations and proposals.
- Exclusive forum: Delaware Chancery for derivative/breach claims; federal courts for Securities Act claims.

## SEC filing metadata
- accession: 0001193125-25-019277
- form_type: 8-K
- cik: 0002040807
- company_name: Metsera, Inc.
- filed_at: 2025-02-03T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2040807/000119312525019277/0001193125-25-019277-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2040807/000119312525019277/d871147d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-019277
- JSON: https://secwatch.observer/filing/0001193125-25-019277.json
- Plain text: https://secwatch.observer/filing/0001193125-25-019277.txt

## Key facts
- Governance Changes
  Metsera, Inc.: Filed amended and restated certificate of incorporation upon IPO closing, making changes including authorized shares, classified board, director removal, and exclusive forum provisions (effective 2025-02-03).
  - Change: charter amendment
  - Effective: 2025-02-03
  source text: On February 3, 2025, Metsera, Inc. (the “Company”) filed an amended and restated certificate of incorporation (the “Restated Certificate”) with the Secretary of State of the State of Delaware in connection with the closing of the initial public offering (the “IPO”) of shares of its common stock.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2040807/000119312525019277/0001193125-25-019277-index.htm
- Governance Changes
  Metsera, Inc.: Amended and restated bylaws effective upon IPO closing, updating stockholder proposal procedures, director nomination procedures, and conforming to restated certificate (effective 2025-02-03).
  - Change: bylaw amendment
  - Effective: 2025-02-03
  source text: On February 3, 2025, in connection with the closing of the IPO, the amended and restated bylaws of the Company (the “Amended and Restated Bylaws”), previously approved by the Company’s board of directors to become effective upon the effectiveness of the Restated Certificate, became effective.
  evidence_url: https://www.sec.gov/Archives/edgar/data/2040807/000119312525019277/0001193125-25-019277-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.