---
schema_version: "secwatch.filing_event.v1"
accession: "0001062822-24-000062"
form_type: "8-K"
ticker: "LXRX"
cik: "0001062822"
company_name: "LEXICON PHARMACEUTICALS, INC."
filed_at: "2024-11-20T23:59:59+00:00"
generated_at: "2026-05-29T21:33:51.591107+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Lexicon appoints Ivan Cheung to board as Lefkowitz retires after 23 years

## Summary
- Robert J. Lefkowitz, M.D. retires from board effective Dec 2, 2024; no disagreement cited.
- Ivan H. Cheung elected to board effective Dec 2, 2024; will serve on audit committee.
- Cheung is CEO of NextPoint Therapeutics, former chairman & CEO of Eisai Inc. (18 yrs).
- Cheung receives initial option for 186,685 shares vesting over 3 years plus standard director fees.
- Company notes catalyst-rich 2025 and beyond in press release.

## SEC filing metadata
- accession: 0001062822-24-000062
- form_type: 8-K
- ticker: LXRX
- cik: 0001062822
- company_name: LEXICON PHARMACEUTICALS, INC.
- filed_at: 2024-11-20T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1062822/000106282224000062/0001062822-24-000062-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1062822/000106282224000062/lxrx-20241119.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001062822-24-000062
- JSON: https://secwatch.observer/filing/0001062822-24-000062.json
- Plain text: https://secwatch.observer/filing/0001062822-24-000062.txt

## Key facts
- Executive change
  Robert J. Lefkowitz, M.D. retired as director at LEXICON PHARMACEUTICALS, INC..
  - Action: retired
  - Role: director
  source text: On November 19, 2024, Robert J. Lefkowitz, M.D. notified us of his decision to retire from our board of directors, effective as of December 2, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1062822/000106282224000062/0001062822-24-000062-index.htm
- Executive change
  Ivan H. Cheung was elected as director at LEXICON PHARMACEUTICALS, INC..
  - Action: elected
  - Role: director
  source text: On November 19 , 2024, our board of directors elected Ivan H. Cheung to serve as a member of our board of directors, effective as of December 2, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1062822/000106282224000062/0001062822-24-000062-index.htm

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