---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-022224"
form_type: "8-K"
ticker: "RIGL"
cik: "0001034842"
company_name: "RIGEL PHARMACEUTICALS INC"
filed_at: "2025-03-10T23:59:59+00:00"
generated_at: "2026-05-25T00:43:53.987002+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Rigel Pharmaceuticals appoints Mark J. Frohlich to board of directors

## Summary
- Appointed March 6, 2025; joins class of directors with term expiring at 2027 annual meeting.
- Will serve on Corporate Governance, Health Care Compliance Oversight and Nominating Committee and Scientific and Clinical Trial Advisory Committee.
- Received initial option grant for 12,000 shares; annual retainer $50,000 plus $10,000 per committee.
- Board determined Frohlich is independent under SEC and Nasdaq standards; no familial relationships.

## SEC filing metadata
- accession: 0001104659-25-022224
- form_type: 8-K
- ticker: RIGL
- cik: 0001034842
- company_name: RIGEL PHARMACEUTICALS INC
- filed_at: 2025-03-10T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1034842/000110465925022224/0001104659-25-022224-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1034842/000110465925022224/tm258676d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-022224
- JSON: https://secwatch.observer/filing/0001104659-25-022224.json
- Plain text: https://secwatch.observer/filing/0001104659-25-022224.txt

## Key facts
- Executive change
  Mark J. Frohlich was appointed as Director at RIGEL PHARMACEUTICALS INC.
  - Action: appointed
  - Role: Director
  source text: On March 6, 2025 (the “Effective Date”), Mark J. Frohlich was appointed to serve on the board of directors (the “Board”) of Rigel Pharmaceuticals, Inc.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1034842/000110465925022224/0001104659-25-022224-index.htm

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