Sign in

You're signed outSign in or to get full access.

Lucas S. Chang

About Lucas S. Chang

Independent director of Alpha & Omega Semiconductor (AOSL) since November 2016; age 70. Background spans senior legal leadership and technical roles: Senior VP & General Counsel at United Microelectronics Corporation (UMC) through December 2023; VP & General Counsel at Senhwa Biosciences; senior partner at Morgan, Lewis & Bockius LLP (AOS’s principal outside counsel); earlier technical and IP roles at IBM and Union Carbide. Education: B.S.E. Chemical Engineering (National Taiwan University), Ph.D. Chemical Engineering (University of Washington), J.D. (Santa Clara University School of Law). Core credentials: corporate governance, regulatory compliance, cross‑border M&A, intellectual property, and semiconductor industry expertise; currently serves as consultant to public/private companies .

Past Roles

OrganizationRoleTenureNotes/Impact
Union Carbide CorporationSenior Development Scientist1983–1985Technical R&D foundation
IBM Research DivisionResearch Staff Member & Technical Team Leader1985–1991Led technical teams; semiconductor/computing domain
IBM Intellectual Property & Licensing ServicesStaff Attorney & Patent Agent1991–1995IP licensing and legal experience
Leading law firms (e.g., Wilson Sonsini, Heller Ehrman, Coudert)Partner/Associate1995–2006Corporate, M&A, cross‑border legal work
Morgan, Lewis & Bockius LLPSenior Partner2006–2016AOS principal outside counsel; corporate/M&A/IP focus
Senhwa Biosciences, Inc.Vice President & General Counsel2016–2018Listed on Taipei Exchange; biotech legal leadership
United Microelectronics Corporation (UMC)VP & General Counsel (Jan–Jul 2018); Senior VP & General Counsel (Aug 2018–Dec 2023)2018–2023Public company (NYSE/Taipei); semiconductor GC
Various companiesConsultant2024–presentAdvisory to public/private companies

External Roles

OrganizationListingRoleTenureCommittees/Impact
UMCNYSE/TaipeiSenior VP & General CounselAug 2018–Dec 2023Chief legal officer function; global semiconductor exposure
Senhwa BiosciencesTaipeiVP & General Counsel2016–2018Drug development regulatory/legal oversight
Morgan, Lewis & Bockius LLPPrivateSenior Partner2006–2016AOS principal outside counsel (potential perceived interlock)

Board Governance

  • Committees: Compensation Committee member; Nominating & Corporate Governance Committee member. Chairs are Michael J. Salameh (Compensation) and Dr. King Owyang (Nominating). Not a member of the Audit Committee (chaired by Claudia Chen) .
  • Independence: Board determined Lucas is independent under NASDAQ and Exchange Act rules (only Stephen C. Chang and Dr. Mike F. Chang are non‑independent) .
  • Attendance: In FY2025, each director attended ≥94% of aggregate Board and committee meetings; all directors attended the 2024 annual meeting .
  • Lead independent director: Michael J. Salameh; presides over executive sessions and coordinates communications .

Fixed Compensation

MetricFY 2024FY 2025
Fees Earned or Paid in Cash ($)$107,500 $107,500
Stock Awards ($, grant date fair value)$114,377 $121,381
Total ($)$221,877 $228,881

Non‑Employee Director Cash Retainer Schedule (Policy in effect FY2025):

Retainer TypeAmount
Annual Board retainer$45,000
Lead Independent Director+$15,000
Committee Chair – Audit+$25,000
Committee Chair – Compensation+$15,000
Committee Chair – Nominating & Governance+$15,000
Committee Chair – Shareholder Communications Subcommittee+$10,000
Committee Chair – Cybersecurity Subcommittee+$10,000
Committee Member – Audit+$12,000
Committee Member – Compensation+$7,500
Committee Member – Nominating & Governance+$5,000

Performance Compensation

MetricFY 2024FY 2025
Annual Director RSU Grant Policy$160,000 ÷ 90‑day Avg Price; vest quarterly; ≤10,000 shares $160,000 ÷ 90‑day Avg Price; vest quarterly; ≤10,000 shares
RSUs Outstanding (shares, as of fiscal year‑end)2,797 2,228
Options Granted to Non‑Employee DirectorsNone None
  • Vesting: Annual RSU grants vest in four equal quarterly installments; accelerated vesting on death/disability or immediately prior to a change in control per plan terms .
  • Director equity cap: Total director pay (cash + equity grant‑date fair value) capped at $750,000 per calendar year ($1,000,000 initial year) .

Other Directorships & Interlocks

CompanyRoleInterlock/Conflict Considerations
Morgan, Lewis & Bockius LLP (AOS’s principal outside counsel)Former senior partner (2006–2016)Historical affiliation with AOS’s principal outside counsel may present perceived conflict; Audit Committee reviews related‑party transactions and excludes interested directors from approvals .
UMCSenior VP & General CounselNo direct interlock disclosed with AOS; adds semiconductor governance expertise .
Senhwa BiosciencesVP & General CounselNo direct interlock disclosed with AOS .

Expertise & Qualifications

  • Legal/regulatory, corporate governance, cross‑border M&A, and IP expertise; significant Asia/US semiconductor experience .
  • Education: B.S.E. (NTU), Ph.D. (University of Washington), J.D. (Santa Clara) .

Equity Ownership

ItemValue
Beneficial Ownership (as of Sept 12, 2025)25,204 shares; <1% of outstanding
Director RSUs Outstanding (as of June 30, 2025)2,228 shares
Ownership Guideline vs Actual (as of June 30, 2025)Share ownership: $589,564; Guideline: $172,500 (3× annual retainer for directors); based on $25.66 closing price

Policies strengthening alignment and risk controls:

  • Insider Trading policy prohibits hedging/pledging without pre‑clearance; margin accounts and certain derivatives disallowed absent written approval .
  • Compensation clawback policy (SEC/NASDAQ compliant) adopted October 2, 2023 .
  • Section 16(a) compliance: no delinquent insider filings reported for FY2025 .

Governance Assessment

  • Strengths

    • Independent director with high attendance and active service on Compensation and Nominating & Governance Committees; adds legal/regulatory and semiconductor domain expertise to board oversight .
    • Compensation Committee uses independent consultant (Compensia); committee determined no conflicts; aligns with best practices .
    • Director pay structure balanced (cash retainer plus time‑based RSUs), annual pay cap, no tax gross‑ups, dividend equivalents only if awards vest; prudent plan safeguards .
    • Share ownership guidelines in place; his measured ownership value exceeds the guideline level, signaling alignment with shareholders .
  • Potential Red Flags / Watch Items

    • Historical senior partner at Morgan, Lewis & Bockius (AOS principal outside counsel) may create perceived conflict; mitigants include NASDAQ independence designation and Related‑Party Transactions Policy excluding interested directors from approvals .
    • Special litigation and compliance context (board established special committees historically) indicates heightened regulatory oversight needs; continued monitoring of governance and compliance disclosures advisable .
  • Additional signals

    • Lead independent director structure and regular executive sessions support board independence .
    • Anti‑hedging/pledging and clawback policies enhance investor confidence in governance rigor .
Overall, Lucas S. Chang’s profile reflects strong governance credentials and engagement, with a historical law‑firm affiliation worth monitoring for perceived conflicts. His committee work, independence, attendance, and ownership alignment are supportive signals for board effectiveness. **[1387467_0001387467-25-000054_aosl-20250918.htm:10]** **[1387467_0001387467-25-000054_aosl-20250918.htm:15]** **[1387467_0001387467-25-000054_aosl-20250918.htm:16]** **[1387467_0001387467-25-000054_aosl-20250918.htm:17]** **[1387467_0001387467-25-000054_aosl-20250918.htm:31]** **[1387467_0001387467-25-000054_aosl-20250918.htm:33]** **[1387467_0001387467-25-000054_aosl-20250918.htm:69]** **[1387467_0001387467-25-000054_aosl-20250918.htm:95]**