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Barbara Leyman

Chief Business Development Officer at SUTRO BIOPHARMASUTRO BIOPHARMA
Executive

About Barbara Leyman

Barbara Leyman, Ph.D., is Chief Business Development Officer at Sutro Biopharma (STRO), serving since July 2024; she is 55 years old and holds a Ph.D. in Molecular Biology from Imperial College at Wye, London University, and a Master’s in Chemistry and Biotechnology from Ghent University . Her remit covers business development strategy, licensing and alliances; prior roles include senior corporate development leadership and venture investing/directorships in biotech . Company performance context: Sutro’s 2024 TSR (value of initial $100) was $12 and net income was -$227M; prior years show TSR $20 (2023) and $37 (2022) and net income losses of -$107M (2023) and -$119M (2022) .

Performance ContextFY 2022FY 2023FY 2024
Sutro TSR – Value of $100$37 $20 $12
Net Income ($USD Millions)$(119) $(107) $(227)

Past Roles

OrganizationRoleYearsStrategic Impact
GenEditSVP, Corporate Development; led BD, alliance management, and corporate strategy2022–2024Built partnerships and alliances; corporate strategy leadership
Lyell ImmunopharmaBusiness Development/Corporate Strategy roles (increasing responsibility)2018–2022Led licensing and R&D collaborations; executed co-development transactions
Calico Life SciencesBusiness Development/Corporate Strategy roles2018–2022Led due diligence, negotiations, and execution of collaborations
LRM (Venture Capital Fund)Head of Life Sciences Team2014–2017Managed biotech investments; served as director on three private biotech company boards

External Roles

OrganizationRoleYearsNotes
Three private biotech companies (not named)Director2014–2017Board service while at LRM; portfolio oversight for VC-managed investments

Fixed Compensation

  • Executive officers participate in standard employee benefits (401(k), ESPP, health and welfare); perquisites generally minimal and not a significant component of executive compensation .
  • Individual base salary and bonus details for Dr. Leyman are not disclosed in the latest proxy; NEO disclosures cover CEO, President/COO, and CFO in 2024 .

Performance Compensation

Sutro’s executive compensation emphasizes pay-for-performance, using annual cash incentives linked to corporate goals and long-term equity (stock options and RSUs). Options generally vest monthly over four years (with a one‑year cliff for new-hire grants); RSUs generally vest 25% annually over four years .

Metric CategoryExamples of Metrics Tied to Annual IncentivesWeightingTargetActualPayoutVesting Notes
Pipeline progressionProgress of proprietary and partnered ADC programsNot disclosed Not disclosed Not disclosed Not disclosed Annual cash incentives; equity vests per program design
Deal-makingLicensing, collaboration executionNot disclosed Not disclosed Not disclosed Not disclosed Equity: options monthly over 4 yrs; RSUs 25% annually
Financial performanceRevenue/milestones, capital efficiencyNot disclosed Not disclosed Not disclosed Not disclosed As above
Manufacturing successClinical/commercial readinessNot disclosed Not disclosed Not disclosed Not disclosed As above
Culture & complianceGovernance, operating disciplineNot disclosed Not disclosed Not disclosed Not disclosed As above

Note: The company describes categories and alignment mechanisms; specific weights, targets, and payouts for Dr. Leyman are not disclosed in the proxy .

Equity Ownership & Alignment

  • Section 16 initial filing (Form 3) shows “No securities are beneficially owned” for Barbara Leyman as of July 10, 2024, shortly after her appointment .
  • Company prohibits hedging, purchasing on margin, and pledging of common stock for all employees and directors; maintains a clawback policy .
As-of DateShares OwnedDerivatives (Options/RSUs)Pledged as CollateralNotes
Jul 10, 2024 (Form 3)0Not reportedProhibited by policy Initial statement filed via attorney‑in‑fact; no beneficial ownership at appointment

Watch items: No Form 4 transactions were identified in our search; monitor for new-hire grants and vesting events (options typically have a one-year cliff for new hires) that may appear in future Section 16 filings .

Employment Terms

  • Executive employment arrangements include written employment agreements (for NEOs) with eligibility for bonus, and standard confidentiality/invention assignment; NEOs are employed “at will” (proxy provides detail for NEOs; Dr. Leyman is an executive officer but not a 2024 NEO in the disclosure) .
  • Severance/Change-in-Control plan features include double-trigger CIC vesting/payment and no tax gross-ups; company maintains a clawback policy and prohibits hedging/pledging .
TermProvisionSource
Employment statusAt-will for NEOs; executive officer arrangements via employment agreements (Dr. Leyman specific terms not disclosed)
Severance planProvides severance and CIC benefits; intended for retention; release required
Change-in-controlDouble-trigger; no tax gross-ups
ClawbackCompensation recovery policy maintained
Hedging/pledgingProhibited for all employees and directors
Equity vesting normsNew-hire options: one-year cliff then monthly over 4 years; RSUs: 25% annually over four years

Compensation Committee Analysis

AttributeDetails
MembersJoseph Lobacki (Chair), Daniel Petree, Jon M. Wigginton, M.D.; all independent under Nasdaq and SEC rules
ConsultantFW Cook; engaged to advise on peer data, market practices, and compensation risk; reports to Committee; no conflicts identified
ScopeOversees executive comp packages, equity plan oversight, succession planning (non-CEO), and regulatory compliance

Investment Implications

  • Alignment signals: Equity-heavy compensation, option/RSU vesting schedules, clawback, and prohibitions on hedging/pledging support alignment with long-term value creation; CIC protections use double-trigger without tax gross-ups, limiting windfalls and encouraging retention through transaction close .
  • Ownership/pressure: Initial Form 3 showed no holdings for Dr. Leyman; absence of reported Form 4s reduces near-term insider selling pressure but also implies limited “skin-in-the-game” until grants are disclosed/vest; monitor Section 16 for grant issuance and vesting cadence (new-hire option cliff suggests potential first vesting ~12 months post-grant if applied) .
  • Performance linkage: Annual incentives tied to pipeline progress, deal-making, financial performance, and manufacturing execution create clear BD levers for Leyman; payout specifics/weights are undisclosed, so investors should track announced collaborations and licensing milestones as leading indicators of cash incentive outcomes .
  • Risk factors: Company TSR and net losses in 2024 highlight execution and financing risk typical of clinical-stage biotech; BD outcomes under Leyman’s remit (licensing, partnerships) are likely to be near-term catalysts and key to value creation and runway management .