---
schema_version: "secwatch.filing_event.v1"
accession: "0001534969-23-000055"
form_type: "8-K"
ticker: "SERA"
cik: "0001534969"
company_name: "SERA PROGNOSTICS, INC."
filed_at: "2023-05-19T23:59:59+00:00"
generated_at: "2026-06-14T19:45:56.688384+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# CEO Gregory Critchfield to retire June 8; Transition Agreement provides $584K severance plus bonus

## Summary
- Retirement as President, CEO and Chairman effective June 8, 2023.
- Severance of $584,000 (one year base salary) and pro rata bonus of $131,400.
- Unvested stock options/equity forfeited; vested options remain exercisable for remaining term.
- COBRA health coverage for up to 12 months or until new coverage.
- No immediate successor named in this filing.

## SEC filing metadata
- accession: 0001534969-23-000055
- form_type: 8-K
- ticker: SERA
- cik: 0001534969
- company_name: SERA PROGNOSTICS, INC.
- filed_at: 2023-05-19T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1534969/000153496923000055/0001534969-23-000055-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1534969/000153496923000055/sera-20230515.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001534969-23-000055
- JSON: https://secwatch.observer/filing/0001534969-23-000055.json
- Plain text: https://secwatch.observer/filing/0001534969-23-000055.txt

## Key facts
- Executive change
  Gregory C. Critchfield departed as President, Chief Executive Officer and Chairman of the Board at SERA PROGNOSTICS, INC..
  - Action: retire
  - Role: President, Chief Executive Officer and Chairman of the Board
  source text: Gregory C. Critchfield, M.D., M.S. notified the Company of his intention to retire from the position of President and Chief Executive Officer of the Company and Chairman of the Board of Directors, effective as of June 8, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1534969/000153496923000055/0001534969-23-000055-index.htm

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