---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-22-011050"
form_type: "8-K"
ticker: "RLYB"
cik: "0001739410"
company_name: "Rallybio Corp"
filed_at: "2022-06-02T23:59:59+00:00"
generated_at: "2026-06-25T05:11:12.665566+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Rallybio CFO Jeff Fryer to retire; external search for successor initiated

## Summary
- Co-founder and CFO Jeff Fryer will retire; he will stay until a replacement is appointed.
- External search for new CFO has been launched; transition period not yet specified.
- Fryer expects to enter a confidential separation agreement upon his departure.
- CEO Martin Mackay thanked Fryer for his role in building the company over four years.

## SEC filing metadata
- accession: 0000950170-22-011050
- form_type: 8-K
- ticker: RLYB
- cik: 0001739410
- company_name: Rallybio Corp
- filed_at: 2022-06-02T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1739410/000095017022011050/0000950170-22-011050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1739410/000095017022011050/rlyb-20220602.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-22-011050
- JSON: https://secwatch.observer/filing/0000950170-22-011050.json
- Plain text: https://secwatch.observer/filing/0000950170-22-011050.txt

## Key facts
- Executive change
  Jeffrey M. Fryer departed as Chief Financial Officer at Rallybio Corp.
  - Action: retire
  - Role: Chief Financial Officer
  source text: On June 2, 2022, Rallybio Corporation (Rallybio) announced that Jeffrey M. Fryer will retire as Rallybio’s Chief Financial Officer (CFO).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1739410/000095017022011050/0000950170-22-011050-index.htm

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