---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-23-029499"
form_type: "8-K"
ticker: "LENZ"
cik: "0001815776"
company_name: "LENZ Therapeutics, Inc."
filed_at: "2023-06-23T23:59:59+00:00"
generated_at: "2026-06-13T18:19:13.853859+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Graphite Bio CFO Alethia Young resigns; CEO Josh Lehrer to assume PFO/PAO roles

## Summary
- Alethia Young resigns as CFO, effective June 30, 2023, to pursue other opportunities.
- Resignation not related to any disagreement with the company or its management.
- CEO Josh Lehrer appointed as Principal Financial Officer and Principal Accounting Officer effective July 1, 2023.
- Dr. Lehrer has served as CEO since April 2020; prior roles at Global Blood Therapeutics and Genentech.
- Ms. Young will remain through June 30 to ensure orderly transition.

## SEC filing metadata
- accession: 0000950170-23-029499
- form_type: 8-K
- ticker: LENZ
- cik: 0001815776
- company_name: LENZ Therapeutics, Inc.
- filed_at: 2023-06-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1815776/000095017023029499/0000950170-23-029499-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1815776/000095017023029499/grph-20230623.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-23-029499
- JSON: https://secwatch.observer/filing/0000950170-23-029499.json
- Plain text: https://secwatch.observer/filing/0000950170-23-029499.txt

## Key facts
- Executive change
  Alethia Young resigned as Chief Financial Officer, Principal Financial Officer and Principal Accounting Officer at LENZ Therapeutics, Inc..
  - Action: resigned
  - Role: Chief Financial Officer, Principal Financial Officer and Principal Accounting Officer
  source text: On June 19, 2023, Alethia Young, the Chief Financial Officer, Principal Financial Officer and Principal Accounting Officer of Graphite Bio, Inc. (the “Company”), notified the Company of her decision to resign, effective at the close of business on June 30, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1815776/000095017023029499/0000950170-23-029499-index.htm
- Executive change
  Josh Lehrer was appointed as Principal Financial Officer and Principal Accounting Officer at LENZ Therapeutics, Inc..
  - Action: appointed
  - Role: Principal Financial Officer and Principal Accounting Officer
  source text: The Company intends to appoint Josh Lehrer, the Company’s Chief Executive Officer, to serve as the Company’s Principal Financial Officer and Principal Accounting Officer effective immediately following Ms. Young’s departure.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1815776/000095017023029499/0000950170-23-029499-index.htm

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