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Mark Frohlich

Director at RIGEL PHARMACEUTICALSRIGEL PHARMACEUTICALS
Board

About Mark W. Frohlich

Mark W. Frohlich, M.D., age 63, joined Rigel’s board in March 2025 as an independent director. He is CEO of Indapta Therapeutics (private) since 2022, and previously held senior leadership roles at Juno Therapeutics (portfolio strategy lead, 2014–2017) and Dendreon (CMO & EVP R&D, 2005–2014), where he led development and U.S./EU approvals of PROVENGE. He holds a B.S. in Electrical Engineering & Economics from Yale and an M.D. from Harvard Medical School, and earlier served as an assistant adjunct professor of hematology/oncology at UCSF .

Past Roles

OrganizationRoleTenureCommittees/Impact
Dendreon CorporationChief Medical Officer; EVP R&D2005–2014Led clinical program for PROVENGE to U.S. and EU approvals; pioneer in cellular immunotherapy
Juno TherapeuticsPortfolio Strategy Lead2014–2017Portfolio strategy leadership; company developed FDA‑approved CAR‑T Breyanzi prior to sale to Celgene (now BMS)
Multiple immuno‑oncology biotechsConsultant/Strategic Advisor2017–2022Advisory across immuno‑oncology programs
UCSFAssistant Adjunct Professor, Hem/OncPrior to 2005Urologic oncology; lab/translational/clinical research

External Roles

OrganizationRoleTenureNotes
Indapta Therapeutics (private)Chief Executive Officer2022–presentAllogeneic NK cell therapies for oncology/autoimmune diseases

No current public company directorships disclosed for Dr. Frohlich in Rigel’s 2025 proxy .

Board Governance

ItemDetail
Board/Committee AssignmentsMember: Scientific & Clinical Trial Advisory Committee; Corporate Governance, Health Care Compliance Oversight & Nominating Committee (joined March 2025)
Committee ChairsNone disclosed for Dr. Frohlich
Committee Meeting Frequency (FY2024)Sci & Clinical Trial Advisory: 4 meetings; Governance/Health Care Compliance/Nominating: 5 meetings
IndependenceBoard determined all current directors except the CEO are independent under Nasdaq rules; committee members are independent
Board Attendance (FY2024)Board met 7 times; all directors attended 100% of Board and committee meetings for periods in which they served (Dr. Frohlich joined in 2025)
Executive SessionsIndependent directors met in executive session at every regularly scheduled Board meeting in 2024

Fixed Compensation

ComponentAmount/PolicyNotes
Annual cash retainer (non‑employee directors)$50,000 per yearPaid quarterly, pro‑rated for service
Chair retainersBoard Chair: $40,000; Audit Chair: $22,000; Compensation Chair: $15,000; Governance Chair: $15,000; Scientific & Clinical Chair: $15,000
Committee member retainers (non‑chairs)Audit: $12,000; Compensation: $10,000; Governance: $10,000; Finance: $5,000; Scientific & Clinical: $10,000
Non‑employee director pay capMax $1,000,000 per annual period; $1,500,000 if first appointed/elected mid‑periodEquity valued at grant‑date fair value for the cap

2024 director compensation table does not include Dr. Frohlich (he joined in March 2025) .

Performance Compensation

Equity VehicleGrant PolicyVestingExercise/TermChange‑of‑Control Treatment
Annual equityFollowing each annual meeting: 3,000 options + 2,500 RSUs for each non‑employee directorOptions: monthly over 1 year; RSUs: vest day before next annual meetingOptions at 100% FMV on grant date; 10‑year termNon‑employee directors’ awards become fully vested and exercisable immediately prior to effectiveness of a Change in Control
Initial option grant (on appointment)Non‑discretionary initial option grantMonthly vesting over the shorter of 3 years or until the first annual meeting at which the director stands for electionOptions at 100% FMV on grant date; 10‑year termAs above

Repricing of underwater appreciation awards is prohibited without prior stockholder approval; dividends/dividend equivalents not paid on unvested shares; plan has no evergreen and requires stockholder approval for additional shares .

Other Directorships & Interlocks

CompanyTypeRolePotential Interlock/Conflict
Indapta TherapeuticsPrivate biotechCEONo related‑party transactions >$120,000 disclosed by Rigel since Jan 1, 2024; related‑person transactions require Audit Committee review and recusal if applicable

Expertise & Qualifications

  • Oncology and cell therapy leader (Dendreon PROVENGE approvals; Juno CAR‑T portfolio) aligned to Rigel’s R&D oversight needs; selected for oncology commercialization and clinical leadership experience .
  • Academic/clinical background (UCSF) complements Rigel’s Scientific & Clinical Trial Advisory Committee remit .
  • Governance/Compliance oversight exposure via service on Governance/Health Care Compliance/Nominating Committee .

Equity Ownership

ItemStatus
Beneficial ownership at record dateNot listed in the Jan 31, 2025 beneficial ownership table (joined March 2025); thus, individual share count and % outstanding not disclosed in the 2025 proxy .
Anti‑hedging/pledgingCompany policy prohibits hedging, short sales, options, margin accounts, pledges for employees and directors .
ClawbackAll stock awards subject to Company clawback policy and/or award‑level recoupment provisions .

Governance Assessment

  • Strengths

    • Deep immuno‑oncology and clinical development expertise; directly relevant to Rigel’s pipeline oversight on the Scientific & Clinical Trial Advisory Committee .
    • Independence affirmed; service on Governance/Health Care Compliance/Nominating enhances compliance and cyber‑risk oversight .
    • Shareholder‑friendly equity plan features (no repricing, no evergreen, dividend restrictions, director pay caps) and anti‑hedging policy support alignment .
  • Watch Items

    • Dual role as CEO of a private biotech necessitates ongoing monitoring for potential conflicts; Rigel discloses no related‑party transactions >$120,000 and has a formal related‑party policy requiring Audit Committee review and director recusal where appropriate .
    • Attendance data specific to Dr. Frohlich not yet available for FY2024 given his March 2025 start; Board‑wide 2024 attendance was 100% .

No legal proceedings, SEC investigations, pledging, or say‑on‑pay concerns specific to Dr. Frohlich are disclosed in the 2025 proxy. Director compensation mix is primarily retainer plus time‑based equity; no director‑specific performance metrics are used .