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Robert Duggan

Co-Chief Executive Officer at Summit Therapeutics
CEO
Executive
Board

About Robert Duggan

Robert W. Duggan is Co-Chief Executive Officer and Chairman of Summit Therapeutics Inc., age 80; he has served on the board since December 2019, as Chairman since February 2020, and as Co-CEO since April 2020 . Summit is a pre-revenue biopharma; company TSR rose to a $379.57 value for a $100 investment by year-end 2024, while net loss was $221.3 million, and the company does not link NEO pay to financial metrics, focusing instead on product development milestones and OKRs . Duggan declines salary and bonus as Co-CEO and received only director-option compensation in 2024; he is also Summit’s controlling stockholder with 74.8% ownership .

Past Roles

OrganizationRoleYearsStrategic Impact
Pharmacyclics, Inc.Director; Chairman & CEO; largest investorDirector 2007–2015; CEO/Chair 2008–2015Led growth culminating in acquisition by AbbVie in May 2015
Computer Motion, Inc.Chairman; CEOChairman 1990–2003; CEO 1997–2003Merged into Intuitive Surgical in June 2003
Intuitive Surgical, Inc.Director2003–2011Board service at leading surgical robotics firm
Pulse Biosciences, Inc.Chairman & DirectorSince Nov 2017Ongoing board leadership in med-tech

External Roles

OrganizationRoleYearsNotes
Duggan Investments, Inc.Chief Executive OfficerSince 2016Family office focused on biotech investments
UCSB FoundationBoard of Trustees memberN/APhilanthropic/academic governance
Genuine First Aid, Medical Distribution Industries, Blazon, Duggan Investments Research, DeepsightBoard rolesN/APrivate company directorships

Fixed Compensation

MetricFY 2022FY 2023FY 2024
Salary ($)
Bonus ($)
Option Awards ($)
All Other Compensation ($)158,613 (director options fully vested; 74,545 options at $2.64 strike)
Total ($)158,613

Duggan has declined any compensation for his Co-CEO role; his 2024 compensation reflects only director-option awards recorded within NEO disclosures .

Performance Compensation

MetricWeightingTargetActualPayoutVesting
N/A (Duggan declined pay)N/AN/AN/AN/AN/A

Company-wide 2024 OKRs used to determine bonuses included patient enrollment, clinical portfolio alignment, scientific engagement, manufacturing, IP/financial/employee goals, plus a stretch enrollment goal; business achievement reached 125%, and NEOs received 150% of target bonus, but Duggan took no bonus .

Equity Ownership & Alignment

CategoryDetail
Total beneficial ownership555,757,377 shares (555,680,151 common + 77,226 options exercisable) = 74.8% of outstanding
Options (exercisable/unexercisable)77,226 exercisable; no unexercised unvested options at 12/31/2024
2024–2025 insider transactionsPurchased 3,325,991 shares in a Sept 11, 2024 PIPE at $22.70/share; exercised warrants for 2,936,221 shares in Mar 2025 and 1,048,834 shares on Apr 8, 2025 at $1.58/share
Hedging/pledgingHedging prohibited under Insider Trading Policy; pledging not addressed in the disclosed policy
Ownership guidelinesNot disclosed

Employment Terms

ItemDetail
Employment start datesDirector since Dec 2019; Chairman since Feb 2020; Co-CEO since Apr 2020
Employment agreementNot disclosed for Duggan
Base salary/bonusDeclined salary and other compensation for Co-CEO role
Change-in-controlUnvested NEO options accelerate at change in control; Duggan had no unvested options at 12/31/2024
ClawbackIncentive-Based Compensation Clawback Policy adopted Oct 2, 2023, applies to NEOs upon restatement
Non-compete/etc.Not disclosed

Board Governance

  • Role: Co-CEO and Chairman; board consolidates roles but appoints a Lead Independent Director (Kenneth A. Clark) to mitigate governance risks associated with dual roles .
  • Independence: Summit is a Nasdaq “controlled company” because Duggan holds >50% voting power; it may elect exemptions from certain governance requirements (currently not used but used historically) .
  • Committees: Duggan is not a member of the Audit, Compensation, or Nominating & Corporate Governance committees; Audit chaired by Jeff Huber; Compensation and Nominating chaired by Kenneth A. Clark .
  • Board meetings and attendance: Board held 2 meetings in FY2024; all directors attended at least 75% of board and committee meetings during their service period .
DirectorCommittee Memberships (FY2024)
Robert W. DugganNone; Chairman of the Board
Audit CommitteeHuber (Chair), Booth, Ronaghi
Compensation CommitteeClark (Chair), Ronaghi
Nominating & Corporate GovernanceClark (Chair), Booth, Cesano

Director Compensation

  • Policy: Non-salaried directors received a $49,900 annual cash retainer, committee member retainers ($6,500), and chair retainers ($36,700 Audit; $13,000 Compensation; $13,000 Nominating & Corporate Governance), plus option grants (35,000 annual; 200,000 for new directors); retainers could be converted to “Retainer Options” with a 2.0x multiplier; salaried directors are not additionally paid for board service .
  • Duggan’s director compensation was reported in NEO disclosures: 74,545 fully vested options at a $2.64 strike (grant date 1/2/2024), grant date fair value $158,613 .

Related Party Transactions

Date/PeriodTransactionTerms
Dec 2022–Apr 2025Bridge financing notes with Duggan and Zanganeh$400M + $100M to Duggan; $20M to Zanganeh; prepaid interest through 2/15/2023 paid in shares (Duggan 9,346,434; Zanganeh 373,857) at $0.7913/share; subsequent interest at Prime+50bps then Prime+300bps; later 12% or Prime+350bps; $100M note repaid by Oct 1, 2024 with $7.3M interest; $400M note repaid via 2023 rights offering; maturity extensions disclosed .
Sept 11, 2024PIPE subscriptionDuggan purchased 3,325,991 shares at $22.70/share .
Mar–Apr 2025Warrant exercisesDuggan exercised 2,936,221 warrants in Mar 2025 and 1,048,834 on Apr 8, 2025 at $1.58/share .
Apr 1, 2024Miami HQ subleases to Genius 24C Inc. and Duggan Investments Research LLC848 sq ft each; 62-month terms; total payments ≈$0.4M per sublease; $0.2M net sublease income recognized in 2024 .
Mar 17, 2025Pending derivative litigation on December 2022 NotesPlaintiff challenges notes and prepaid share interest; defendants intend to move to dismiss and defend claims; notes, rights offering, and repayments detailed .

Risk Indicators & Red Flags

  • Controlled company under Nasdaq rules; potential use of governance exemptions reduces investor protections .
  • Dual-role concentration: Co-CEO + Chairman; mitigated by LID but independence concerns remain; spousal relationship between Duggan and Co-CEO/President Mahkam Zanganeh may raise independence issues (board explicitly notes spouse relationship) .
  • Related party financing and office subleases; ongoing legal challenge to 2022 bridge notes presents litigation risk .
  • Hedging prohibited; pledging not addressed; absence of explicit pledging prohibitions is a potential alignment gap .
  • Tax gross-up provisions exist for other NEOs (Zanganeh, Soni) in change-in-control, which is generally shareholder-unfriendly; Duggan’s CI economics not quantified and he had no unvested options at year-end 2024 .

Say-On-Pay & Shareholder Feedback

YearSay-on-Pay Approval
2024~97% approval of NEO compensation

Expertise & Qualifications

  • 30+ years of venture investing and operating leadership in biotech and med-tech; led Pharmacyclics through value creation and sale; served on boards of Intuitive Surgical and Pulse Biosciences; leads a biotech-focused family office .
  • Recognitions include U.S. Congressman’s Medal of Merit and Knight of the Legion of Honor; board role at UCSB Foundation .

Work History & Career Trajectory

OrganizationRoleTenure
Summit TherapeuticsDirector (2019–present), Chairman (since 2020), Co-CEO (since 2020)
Duggan InvestmentsCEO (since 2016)
PharmacyclicsDirector (2007–2015); Chairman & CEO (2008–2015)
Computer MotionChairman (1990–2003); CEO (1997–2003)
Intuitive SurgicalDirector (2003–2011)
Pulse BiosciencesChairman & Director (since 2017)

Additional Quantitative Details

Robert Duggan – Outstanding Options (12/31/2024)

Grant DateExercisableUnexercisableExercise Price ($/sh)Expiration
1/2/202474,5452.641/2/2034

Company Pay-Versus-Performance Reference Points

YearCompany TSR ($100 initial investment)Net Income (Loss) ($)
202157.23 (88,602,000)
202290.43 (78,782,000)
202355.53 (614,928,000)
2024379.57 (221,315,000)

Insider Transactions – Duggan

DateTypeSharesPrice
Sept 11, 2024PIPE purchase3,325,991$22.70
Mar 2025Warrant exercise2,936,221$1.58
Apr 8, 2025Warrant exercise1,048,834$1.58

Compensation Committee Analysis

  • Composition: Kenneth A. Clark (Chair) and Mostafa Ronaghi; both independent under Nasdaq rules .
  • Consultant: Committee does not currently retain an executive compensation consultant .
  • Director retainer option program allows cash retainer conversion to options with 2.0x multiplier, vesting quarterly; this can increase option exposure for directors and potentially align incentives with stock performance .

Investment Implications

  • Alignment: Duggan’s 74.8% stake and recent PIPE participation and warrant exercises signal strong alignment; he draws no salary or cash bonus, and his 2024 director options are immaterial versus his holdings, limiting insider selling pressure from vesting events .
  • Governance and control risk: Controlled-company status, dual CEO/Chairman role, and spousal co-CEO present independence concerns even with a Lead Independent Director; related-party financing and pending litigation add headline and execution risk .
  • Pay-for-performance: Company compensation emphasizes clinical/regulatory OKRs rather than financial metrics; Duggan’s lack of cash pay reduces pay inflation risk for the PEO, but tax gross-ups for other NEOs are a shareholder-unfriendly precedent to monitor .
  • Trading signals: Large beneficial ownership and net purchases/exercises by Duggan reduce near-term selling overhang; lack of disclosed pledging is positive, though the policy does not expressly prohibit pledging—investors should monitor for any future pledging disclosures .