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William Fairey

Director at Mirum Pharmaceuticals
Board

About William Fairey

William C. Fairey, age 61, has served as an independent director of Mirum Pharmaceuticals since 2021. He holds a B.S. in Biology from the University of Oregon and an M.B.A. from Saint Mary’s College, and brings deep global commercialization and operating leadership across biopharma, including executive roles at MyoKardia, ChemoCentryx, and Actelion . He is currently classified by Mirum’s Board as independent under Nasdaq rules and serves on key board committees .

Past Roles

OrganizationRoleTenureCommittees/Impact
MyoKardia, Inc.EVP & Chief Commercial OfficerJan 2019 – Nov 2020Built commercial/portfolio strategy; established EU HQ; planning LatAm/Asia expansion before BMS acquisition
ChemoCentryx, Inc.EVP & Chief Operating OfficerMar 2018 – Jan 2019Led sales, marketing, medical affairs, market access; late-stage commercialization
Actelion Pharmaceuticals US, Inc.PresidentApr 2013 – Dec 2017Led U.S. operations
Actelion Pharmaceuticals Ltd.Regional VP, Australia Asia PacificJul 2008 – Mar 2013Regional leadership across APAC
Actelion Pharmaceuticals Canada Inc.PresidentJun 2003 – Jun 2008Led Canadian operations
Actelion Pharmaceuticals US, Inc.VP Sales & Management MarketsJan 2001 – Jun 2003Sales leadership

External Roles

OrganizationRolePublic/PrivateNotes
Ascendis Pharma, Inc.DirectorPublicBiopharma board service
Rein Therapeutics, Inc. (formerly Aileron Therapeutics, Inc.)DirectorPublicBiopharma board service
KalVista Pharmaceuticals, Inc.DirectorPublicBiopharma board service
Respira Therapeutics, Inc.DirectorPrivatePharmaceutical company

Board Governance

  • Class and term: Class I; term expires at the 2026 annual meeting (board is classified into three-year staggered terms) .
  • Independence: Board affirmed Fairey as independent; Audit and Compensation Committees composed of independent directors, including Fairey .
  • Committee memberships (2024): Audit Committee member; Compensation Committee member; not on Nominating Committee; committee chairs were Brege (Audit), Fischer (Compensation), Walbert (Nominating) .
  • Attendance and engagement: In 2024 the Board met 6 times; Audit met 5; Compensation met 4; Nominating met 3. Each director attended at least 75% of Board and applicable committee meetings; independent directors held four executive sessions .
  • Board leadership: Independent, non-executive Chair (Michael Grey) with agenda-setting authority; separate committee chairs; separation from CEO enhances independence .

Fixed Compensation

ComponentFY 2024 Rate/ValueFY 2025 Rate/ValueNotes
Annual cash retainer (non-employee directors)$45,000 (Q1) $50,000 (effective Apr 4, 2024; continued in 2025) Increased April 2024; unchanged in April 2025 policy update
Lead independent director cash retainer (if any)$10,000 $10,000 Applies only if a lead independent director is designated
Audit Committee member retainer$10,000 (2024) $12,500 (effective Apr 2, 2025) Increased in April 2025
Compensation Committee member retainer$10,000 $10,000 No change in April 2025
Nominating Committee member retainer$5,000 $5,000 No change
Chair of Board fee$60,000 $60,000 For Board Chair (not Fairey)
Audit Committee Chair fee$20,000 $25,000 (effective Apr 2, 2025) Increased in April 2025
Compensation Committee Chair fee$20,000 $20,000 No change
Nominating Committee Chair fee$10,000 $10,000 No change
Reimbursement of expensesReasonable travel/lodging reimbursed Same Standard policy
2024 Director Compensation (Fairey)Amount ($)
Fees Earned or Paid in Cash$68,750
Stock Awards (grant-date fair value, RSUs)$149,989
Option Awards (grant-date fair value)$149,774
Total$368,513

Performance Compensation

Equity Award PolicyGrant ValueMixVestingTerm/Acceleration
Initial Director Grant (effective Apr 4, 2024)$450,000 aggregate 50% options (Black-Scholes), 50% RSUs (at grant closing price) Options and RSUs vest in 3 equal annual installments over 3 years Options 10-year term; full vesting on change of control
Annual Director Grant (effective Apr 4, 2024)$300,000 aggregate 50% options, 50% RSUs Vests by earlier of 1st anniversary or next annual meeting Options 10-year term; full vesting on change of control
Initial Director Grant (effective Apr 2, 2025)$550,000 aggregate 50% options, 50% RSUs Same as above Same; plus RSU deferral allowed until separation or change in control
Annual Director Grant (effective Apr 2, 2025)$350,000 aggregate 50% options, 50% RSUs Same as above Same

Additional 2024 award specifics:

  • As of Dec 31, 2024, each non-employee director held RSUs representing 5,703 shares .
  • As of Dec 31, 2024, Fairey held options to purchase 72,529 shares .

Other Directorships & Interlocks

CompanyRolePotential Interlocks/Conflicts
Ascendis Pharma, Inc.DirectorNone disclosed by Mirum; Board affirmed independence for Fairey
Rein Therapeutics, Inc.DirectorNone disclosed; independence affirmed
KalVista Pharmaceuticals, Inc.DirectorNone disclosed; independence affirmed
Respira Therapeutics, Inc.DirectorPrivate company; no related-party transactions disclosed; Audit Committee reviews related person transactions
  • Compensation Committee interlocks: None; no Mirum executive served on boards/comp committees of companies with executives serving on Mirum’s Board or Compensation Committee during 2024 .

Expertise & Qualifications

  • Global commercialization leadership across multiple biopharma franchises; built/commercialized late-stage assets; established international operations (EU HQ; APAC leadership) .
  • Operational breadth (sales, marketing, medical affairs, market access) and executive roles across U.S., Canada, APAC .
  • Board experience across several public biopharma companies .

Equity Ownership

MeasureAmountAs-of
Shares outstanding48,990,946 Feb 15, 2025
William Fairey – beneficial ownership (shares)63,750 Feb 15, 2025
William Fairey – % of shares outstanding<1% (“*” per proxy) Feb 15, 2025
Options exercisable within 60 days63,750 Feb 15, 2025
Total options held (Dec 31, 2024)72,529 Dec 31, 2024
RSUs held (non-employee directors)5,703 shares Dec 31, 2024
  • Hedging/pledging: Directors prohibited from short sales, options, hedging; and from pledging/margining company stock .
  • Insider trading policy: Window-period controls; policy filed as an exhibit to 10-K .

Governance Assessment

  • Committee effectiveness: Fairey sits on Audit and Compensation—two of the most consequential committees; Audit oversees financial reporting, cybersecurity, and related-party reviews; Compensation oversees pay, clawback policies, and succession planning . Independence on both committees is affirmatively determined .
  • Independence and conflicts: Board determined no material disqualifying relationships; related-person transactions require Audit/Board approval and are monitored; no compensation committee interlocks in 2024 .
  • Attendance and engagement: Board and committees met regularly in 2024; Fairey met the ≥75% attendance threshold alongside other directors; independent directors held four executive sessions, supporting robust oversight .
  • Compensation and alignment: 2024 director pay includes meaningful equity ($149,989 RSUs; $149,774 options), aligning interests with shareholders; policy shifts in 2024/2025 increased equity grant values and introduced RSU deferrals, with time-based vesting and change-of-control acceleration—appropriate for directors (no performance metrics disclosed for director awards) .
  • RED FLAGS: None disclosed for Fairey regarding related-party transactions, hedging/pledging, or Section 16 compliance; company noted two late Form 4s for executives (not directors), promptly remedied . Shareholder advisory vote on executive compensation in 2025 showed strong support (34,671,826 For vs. 1,455,143 Against) , indicating favorable governance sentiment.

Implications: Fairey’s deep commercial background and independent status, coupled with active roles on Audit and Compensation, support board effectiveness and investor confidence. Equity-heavy director pay mix and tightening of committee retainers signal competitive governance but should be monitored for pay inflation; time-based vesting and anti-hedging rules maintain alignment .