---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-270020"
form_type: "8-K"
ticker: "LXRX"
cik: "0001062822"
company_name: "LEXICON PHARMACEUTICALS, INC."
filed_at: "2025-11-06T23:59:59+00:00"
generated_at: "2026-05-16T23:20:21.532317+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Lexicon files prospectus supplement for $75M ATM equity facility; no sales to date

## Summary
- Filed prospectus supplement for at-the-market offering of up to $75M of common stock through Jefferies LLC.
- No shares have been sold under the facility as of November 6, 2025.
- Legal opinion from Vinson & Elkins L.L.P. on share validity filed as Exhibit 5.1.
- Facility originally established under Open Market Sale Agreement dated December 29, 2023.

## SEC filing metadata
- accession: 0001193125-25-270020
- form_type: 8-K
- ticker: LXRX
- cik: 0001062822
- company_name: LEXICON PHARMACEUTICALS, INC.
- filed_at: 2025-11-06T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1062822/000119312525270020/0001193125-25-270020-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1062822/000119312525270020/d37543d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-270020
- JSON: https://secwatch.observer/filing/0001193125-25-270020.json
- Plain text: https://secwatch.observer/filing/0001193125-25-270020.txt

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