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Sean McCarthy

Sean McCarthy

Chief Executive Officer at CytomX TherapeuticsCytomX Therapeutics
CEO
Executive
Board

About Sean McCarthy

Sean A. McCarthy, D.Phil., is Chief Executive Officer (since August 2011) and Chairman (since January 2019) of CytomX Therapeutics; age 58 as of April 14, 2025. He joined CytomX in December 2010 as Chief Business Officer and brings >20 years in biotech across R&D, BD, financing, and general management. Education: B.Sc. Biochemistry & Pharmacology (King’s College London), MBA (UCSD Rady), D.Phil. Cancer Biology (University of Oxford) . Company performance during 2022–2024 shows revenue growth and EBITDA improvement alongside negative 3-year TSR; see tables below for specifics * * *.

Past Roles

OrganizationRoleYearsStrategic Impact
Pappas VenturesTransactional PartnerApr 2006–Dec 2010Led investments in therapeutics, devices, diagnostics; deal execution and portfolio value creation .
SGX PharmaceuticalsVP, Business DevelopmentNot disclosedLed pharma partnerships, drove strategic pivot to product-focused oncology, contributed to IPO in 2006 .
Millennium PharmaceuticalsResearch leadership and program managementNot disclosedManaged biologics discovery programs; R&D leadership .
Schering-Plough DNAX Research InstitutePost-doctoral researchNot disclosedScientific training; foundation for oncology and biologics work .

External Roles

OrganizationRoleYearsNotes
OncoResponseDirectorCurrentPublicly disclosed outside board service .
UCSD Rady School of ManagementDean’s Advisory Council memberCurrentGovernance/industry advisory role .

Fixed Compensation

MetricFY 2023FY 2024
Base Salary ($)652,088 675,290
Target Bonus (% of salary)Not disclosed60%
Actual Annual Bonus ($)371,899 0 (Committee elected not to award corporate bonus for 2024; corporate goals at 58% of target)
All Other Compensation ($)5,000 5,000
Total Compensation ($)2,611,138 1,752,802

Performance Compensation

Annual Cash Incentive (2024)

ElementMetricTargetActualPayoutTiming
Corporate annual bonusCorporate goals (plus individual goals)60% of salary [CEO target] 58% achievement (corporate) $0 (Committee exercised discretion to not award 2024 corporate bonuses) Determined Dec 2024

In January 2025, a one-time milestone bonus opportunity was granted: CEO $202,587 upon a specific milestone by Dec 31, 2025, subject to continued employment .

2024 Equity Grants to CEO

Grant DateRSUs (#)PSUs (#)Options (#)Exercise Price ($)Vesting Details
Jan 18, 202490,000 260,000 420,000 Options at grant-date closing price [policy] Options vest monthly over 4 years; RSUs generally vest 33.3% annually over 3 years; PSUs: 50% vest within 1 year on specified objectives, 50% within 2 years on additional objectives

Equity award timing policies prohibit timing around MNPI and constrain grants near filings; 2024 adhered to policy .

Equity Ownership & Alignment

ItemDetail
Beneficial Ownership4,015,200 shares (4.8% of outstanding) as of Apr 14, 2025 .
Composition (footnote)599,603 common shares + 3,415,597 shares issuable upon exercise of options exercisable within 60 days .
Shares Outstanding80,621,293 as of Apr 14, 2025 .
Hedging/PledgingHedging transactions are not permitted under corporate policy; pledging not expressly disclosed in proxy .
Ownership GuidelinesNot disclosed in proxy.
Director PayCEO receives no additional compensation for board service as Chairman .

Selected outstanding CEO awards (Dec 31, 2024):

  • 500,000 options @ $7.13 expiring 2/13/2030 (exercisable) .
  • 350,000 options exercisable + 100,000 unexercisable @ $1.59 expiring 8/9/2032 .
  • 318,750 exercisable + 131,250 unexercisable @ $4.13 expiring 2/1/2032 .
  • 96,250 exercisable + 323,750 unexercisable @ $1.68 expiring 1/17/2034 .
  • RSUs: 150,000 (market value $154,500 at $1.03 close) from 2/2/2023; 90,000 (market value $92,700) from 1/18/2024 .

Employment Terms

  • Base salary: $675,290 (2024) .
  • Target annual bonus: 60% of salary (CEO) .
  • Severance (outside change-in-control): 18 months salary, pro-rated target bonus, and 18 months COBRA if terminated without cause or for good reason .
  • Change-in-control (double trigger within 60 days prior or 12 months post-CIC): 24 months salary, 24 months annual target bonus, 24 months COBRA, and full acceleration of outstanding equity awards upon qualifying termination .
  • Clawback: Awards subject to clawback/recoupment under company policy and applicable rules .
  • Repricing: Explicitly prohibited without shareholder approval under equity plan .
  • Broad-based benefits: Standard employee programs (health, 401(k) match, ESPP, term life); no defined benefit pension/SERP .

Board Governance

  • Roles: CEO and Chairman; not independent due to employee status .
  • Committees: CEO is not a member of Audit, Compensation, or Nominating & Governance committees .
  • Independent oversight: Lead Independent Director (Matthew P. Young reappointed Mar 2025) ; committee chairs—Audit: Matthew P. Young; Compensation: James R. Meyers; Nominating & Governance: Halley Gilbert .
  • Governance practices: Majority-independent board, committee independence per Nasdaq and SEC rules ; risk oversight and succession planning process described .

Performance & Track Record

Company performance during 2022–2024:

MetricFY 2022FY 2023FY 2024
Revenues ($)53,163,000 *101,214,000 *138,103,000 *
EBITDA ($)-91,392,000*-4,309,000*26,763,000*
Net Income ($ Thousands)(99,317) (569) 31,869
Value of $100 Investment (TSR)36.95 35.80 23.79

Values retrieved from S&P Global.*

Pay-versus-performance (CAP adjustments and relationships to TSR and net income) presented in proxy; Compensation Actually Paid to CEO was $1,063,510 in 2024 vs SCT total $1,752,802, with equity value adjustments detailed in Item 402(v) disclosures .

Compensation Structure Analysis

  • Mix shift: 2024 total comp declined vs 2023, driven by lower stock award grant-date value and no annual cash bonus despite 58% corporate goal achievement, indicating committee discretion and tighter pay-for-performance .
  • Equity emphasis: Significant 2024 grants (260k PSUs, 90k RSUs, 420k options) keep pay at-risk and tied to milestones over 1–2 years (PSUs) and service-based vesting (options/RSUs) .
  • Governance features: Clawback, prohibited repricing, dividend restrictions pre-vesting, and evergreen exclusion align with shareholder-friendly practices .

Compensation Peer Group & Consultants

  • The Compensation Committee has engaged Aon plc since 2015 for market analyses and peer comparisons; 2025 plan share authorization sized referencing burn rate and industry standards .

Equity Overhang Context (company-level)

  • As of Mar 31, 2025: 15,264,307 options outstanding under 2015 Plan (WAE $5.46; 6.0 years remaining); 1,005,984 under 2019 Plan (WAE $4.47; 5.0 years); total shares outstanding 80,621,293; share reserve balances disclosed .

Director Compensation (for McCarthy’s dual role)

  • Dr. McCarthy receives no additional fees or equity for board service as Chairman; non-employee director program details shown separately, with annual option grants and cash retainers; equity accelerates upon change-in-control for non-employee directors .

Expert Qualifications

  • Scientific and business credentials with published work, patents; broad operating and investment experience; current external board role (OncoResponse) and advisory council membership .

Investment Implications

  • Alignment: CEO holds 4.8% beneficial stake, including 3.4M options exercisable within 60 days—material equity exposure that aligns incentives but implies potential future supply as awards vest or approach expiration (e.g., 2030–2034 ladders) .
  • Pay discipline: No 2024 corporate bonus despite 58% goal attainment, with 2025 milestone awards tied to specific achievements—signals use of discretion and milestone-driven cash triggers .
  • Change-in-control economics: Double-trigger acceleration plus 24 months salary and target bonus may facilitate strategic optionality but creates retention cost in M&A scenarios; clawback and repricing prohibitions mitigate governance risk .
  • Performance trend: Revenues rose 2022→2024 and EBITDA improved to positive in 2024, but 3-year TSR remained negative (value of $100 fell to $23.79), highlighting execution risk vs. investor returns; ongoing PSU milestones could be near-term catalysts * * *.
  • Governance check: CEO-Chairman dual role moderated by independent committees and Lead Independent Director; no director fees to CEO, which avoids double-compensation concerns .