---
schema_version: "secwatch.filing_event.v1"
accession: "0001831283-23-000141"
form_type: "8-K"
ticker: "LIANY"
cik: "0001831283"
company_name: "LianBio"
filed_at: "2023-12-20T23:59:59+00:00"
generated_at: "2026-06-07T10:02:07.582368+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# LianBio CFO Yi Larson resigns; Ehong Gu named interim CFO

## Summary
- Yi Larson resigned as CFO effective December 19, 2023, to pursue other opportunities.
- Separation agreement provides severance of $2,430,124 paid in installments and lump sum.
- Ehong Gu, VP Head of Global Finance, appointed interim CFO as principal financial officer.
- Gu has held senior finance roles at CStone, BeiGene, and Celgene; no compensation terms set yet.

## SEC filing metadata
- accession: 0001831283-23-000141
- form_type: 8-K
- ticker: LIANY
- cik: 0001831283
- company_name: LianBio
- filed_at: 2023-12-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1831283/000183128323000141/0001831283-23-000141-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1831283/000183128323000141/lian-20231219.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001831283-23-000141
- JSON: https://secwatch.observer/filing/0001831283-23-000141.json
- Plain text: https://secwatch.observer/filing/0001831283-23-000141.txt

## Key facts
- Executive change
  Ehong Gu was appointed as Interim Chief Financial Officer at LianBio.
  - Action: appointed
  - Role: Interim Chief Financial Officer
  source text: In connection with Ms. Larson’s departure, effective December 19, 2023, the Board appointed Ehong Gu as Interim Chief Financial Officer of the Company, in which role she will act as the Company’s principal financial officer and principal accounting officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1831283/000183128323000141/0001831283-23-000141-index.htm
- Executive change
  Yi Larson resigned as Chief Financial Officer at LianBio.
  - Action: resigned
  - Role: Chief Financial Officer
  source text: Yi Larson, the Company’s Chief Financial Officer, has decided to resign from the Company, effective December 19, 2023, to pursue other business and professional interests and opportunities.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1831283/000183128323000141/0001831283-23-000141-index.htm

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