---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-074574"
form_type: "8-K"
ticker: "RIGL"
cik: "0001034842"
company_name: "RIGEL PHARMACEUTICALS INC"
filed_at: "2024-06-25T23:59:59+00:00"
generated_at: "2026-06-01T02:04:09.450230+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Rigel Pharmaceuticals announces 1-for-10 reverse stock split effective June 27, 2024

## Summary
- Reverse stock split at 1-for-10 ratio, reducing shares from ~175.6M to ~17.6M.
- Effective June 27, 2024 at 12:01 a.m. ET; trading begins on split-adjusted basis same day.
- Board approved final ratio on June 15, 2024, following stockholder approval on May 24, 2024.
- Primary goal: raise per-share price to improve marketability and maintain Nasdaq $1 minimum bid compliance.
- No fractional shares; cash in lieu paid. Authorized shares and par value unchanged.

## SEC filing metadata
- accession: 0001104659-24-074574
- form_type: 8-K
- ticker: RIGL
- cik: 0001034842
- company_name: RIGEL PHARMACEUTICALS INC
- filed_at: 2024-06-25T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1034842/000110465924074574/0001104659-24-074574-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1034842/000110465924074574/tm2417992d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-074574
- JSON: https://secwatch.observer/filing/0001104659-24-074574.json
- Plain text: https://secwatch.observer/filing/0001104659-24-074574.txt

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