---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-100523"
form_type: "8-K"
ticker: "MX"
cik: "0001325702"
company_name: "MAGNACHIP SEMICONDUCTOR Corp"
filed_at: "2023-04-13T23:59:59+00:00"
generated_at: "2026-06-17T02:25:03.607254+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Magnachip to appoint shareholder Gilbert Nathan to Board of Directors under agreement

## Summary
- Gilbert Nathan will join as board observer immediately, then as director after 2023 Annual Meeting.
- Board size will increase to seven directors upon Nathan's appointment.
- Stockholders agree to vote for company nominees at 2023 Annual Meeting and observe standstill.
- Nathan will serve on the ad hoc Strategic Review Committee of the Board.

## SEC filing metadata
- accession: 0001193125-23-100523
- form_type: 8-K
- ticker: MX
- cik: 0001325702
- company_name: MAGNACHIP SEMICONDUCTOR Corp
- filed_at: 2023-04-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1325702/000119312523100523/0001193125-23-100523-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1325702/000119312523100523/d482271d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-100523
- JSON: https://secwatch.observer/filing/0001193125-23-100523.json
- Plain text: https://secwatch.observer/filing/0001193125-23-100523.txt

## Key facts
- Material Agreements
  MAGNACHIP SEMICONDUCTOR Corp entered into Agreement with Jackson Square Advisors LLC, GT Investments II Corp and Gilbert Nathan (collectively, the Stockholders) (effective 2023-04-11).
  - Action: entry
  - Counterparty: Jackson Square Advisors LLC, GT Investments II Corp and Gilbert Nathan (collectively, the Stockholders)
  - Effective: 2023-04-11
  source text: On April 11, 2023, Magnachip Semiconductor Corporation (the “Company”) entered into an Agreement (the “Agreement”) with Jackson Square Advisors LLC (“Jackson”), GT Investments II Corp (“GTI”) and Gilbert Nathan (in his capacity as a stockholder of the Company and together with Jackson and GTI, collectively, the “Stockholders”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1325702/000119312523100523/0001193125-23-100523-index.htm

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