---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-059679"
form_type: "8-K"
ticker: "LENZ"
cik: "0001815776"
company_name: "LENZ Therapeutics, Inc."
filed_at: "2021-12-08T23:59:59+00:00"
generated_at: "2026-06-28T02:53:04.928169+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Graphite Bio COO Katherine Stultz to depart effective Dec 31, 2021

## Summary
- Katherine V. Stultz, Chief Operating Officer, agreed to end employment on December 31, 2021.
- Departure decision announced on December 6, 2021; no replacement named.
- No severance or compensatory details disclosed in the filing.

## SEC filing metadata
- accession: 0001564590-21-059679
- form_type: 8-K
- ticker: LENZ
- cik: 0001815776
- company_name: LENZ Therapeutics, Inc.
- filed_at: 2021-12-08T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1815776/000156459021059679/0001564590-21-059679-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1815776/000156459021059679/grph-8k_20211206.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-059679
- JSON: https://secwatch.observer/filing/0001564590-21-059679.json
- Plain text: https://secwatch.observer/filing/0001564590-21-059679.txt

## Key facts
- Executive change
  Katherine V. Stultz departed as Chief Operating Officer at LENZ Therapeutics, Inc..
  - Action: agreed that employment will end
  - Role: Chief Operating Officer
  source text: On December 6, 2021, Graphite Bio, Inc. (the “Company”) and Katherine V. Stultz, the Company’s Chief Operating Officer, agreed that Ms. Stultz’s employment with the Company will end effective as of the close of business on December 31, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1815776/000156459021059679/0001564590-21-059679-index.htm

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