---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-028369"
form_type: "8-K"
ticker: "ZYME"
cik: "0001937653"
company_name: "Zymeworks Inc."
filed_at: "2024-02-08T23:59:59+00:00"
generated_at: "2026-06-06T05:57:03.063619+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Zymeworks appoints Dr. Cesano to board; Dr. Hillan resigns after 7 years

## Summary
- Dr. Alessandra Cesano appointed to board effective Feb 8, 2024, as Class I director with term expiring at 2025 AGM.
- Dr. Kenneth Hillan resigned Feb 6, effective Feb 8, not due to disagreement; he served 7 years on the board.
- Cesano receives initial option to purchase 74,000 shares per standard non-employee director compensation plan.
- Cesano appointed to nominating & governance and R&D committees; Derek Miller becomes chair of nominating committee.

## SEC filing metadata
- accession: 0001193125-24-028369
- form_type: 8-K
- ticker: ZYME
- cik: 0001937653
- company_name: Zymeworks Inc.
- filed_at: 2024-02-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/0001193125-24-028369-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/d642755d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-028369
- JSON: https://secwatch.observer/filing/0001193125-24-028369.json
- Plain text: https://secwatch.observer/filing/0001193125-24-028369.txt

## Key facts
- Executive change
  Alessandra Cesano was appointed as Director at Zymeworks Inc..
  - Action: appointed
  - Role: Director
  source text: appointed Dr. Alessandra Cesano as a director of the Company, effective as of February 8, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/0001193125-24-028369-index.htm
- Executive change
  Kenneth Hillan resigned as Director at Zymeworks Inc..
  - Action: resigned
  - Role: Director
  source text: Dr. Kenneth Hillan submitted his resignation from the Board, including as chair and member of the nominating and corporate governance committee and as member of the research and development committee of the Board, effective February 8, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1937653/000119312524028369/0001193125-24-028369-index.htm

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