---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-212062"
form_type: "8-K"
ticker: "ZYME"
cik: "0001937653"
company_name: "Zymeworks Inc."
filed_at: "2024-09-03T23:59:59+00:00"
generated_at: "2026-05-31T06:41:45.383107+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Leone Patterson starts as CFO on Sept 1; Galbraith resigns as interim CFO but remains CEO/Chair

## Summary
- Leone Patterson, age 61, commenced as EVP, Chief Business Officer and CFO on September 1, 2024.
- Kenneth Galbraith resigned as interim CFO and principal financial/accounting officer, effective Sept 1, 2024.
- Galbraith continues as Chair, CEO and President of Zymeworks; his compensation unchanged.

## SEC filing metadata
- accession: 0001193125-24-212062
- form_type: 8-K
- ticker: ZYME
- cik: 0001937653
- company_name: Zymeworks Inc.
- filed_at: 2024-09-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1937653/000119312524212062/0001193125-24-212062-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1937653/000119312524212062/d848190d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-212062
- JSON: https://secwatch.observer/filing/0001193125-24-212062.json
- Plain text: https://secwatch.observer/filing/0001193125-24-212062.txt

## Key facts
- Executive change
  Leone Patterson was appointed as Executive Vice President, Chief Business Officer and Chief Financial Officer at Zymeworks Inc..
  - Action: appointed
  - Role: Executive Vice President, Chief Business Officer and Chief Financial Officer
  source text: the Company’s board of directors (the “Board”) appointed Ms. Leone Patterson, age 61, as Executive Vice President, Chief Business Officer and Chief Financial Officer of the Company, effective upon her commencement of employment with the Company, which was anticipated to be September 1, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1937653/000119312524212062/0001193125-24-212062-index.htm
- Executive change
  Kenneth Galbraith resigned as interim Chief Financial Officer at Zymeworks Inc..
  - Action: resigned
  - Role: interim Chief Financial Officer
  source text: On August 30, 2024, Mr. Kenneth Galbraith resigned from the positions of interim Chief Financial Officer and as principal financial officer and principal accounting officer of the Company, effective as of the Start Date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1937653/000119312524212062/0001193125-24-212062-index.htm

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