Geoffrey Ribar
About Geoffrey Ribar
Geoffrey Ribar (age 66) has served as an independent director of Everspin Technologies (MRAM) since December 2018. He is a former CFO with deep semiconductor and EDA experience, including serving as SVP & CFO of Cadence Design Systems from November 2010 to September 2017 (senior advisor until March 2018); he holds a B.S. in chemistry and an MBA from the University of Michigan. He is designated by the Board as an “audit committee financial expert,” and currently chairs Everspin’s Audit Committee. He also serves on the boards of MACOM Technology Solutions (since March 2017) and Acacia Research (since May 2023), and previously served on Aquantia’s board until its September 2019 acquisition by Marvell.
Past Roles
| Organization | Role | Tenure | Committees/Impact |
|---|---|---|---|
| Cadence Design Systems | SVP & Chief Financial Officer; then Senior Advisor | CFO: Nov 2010–Sep 2017; Advisor until Mar 2018 | Senior finance leadership of a major EDA company; public company CFO credentials (audit financial expert). |
| NVIDIA; Matrix Semiconductor; Asyst Technologies; SiRF Technology; Telegent Systems | Chief Financial Officer (prior roles) | Not disclosed | Multiple public/private semiconductor CFO roles; seasoned financial operator. |
External Roles
| Company | Role | Tenure | Notes |
|---|---|---|---|
| MACOM Technology Solutions Holdings, Inc. | Director | Since Mar 2017 | Public semiconductor company board service. |
| Acacia Research Corporation | Director | Since May 2023 | Public company investing in mature tech/industrials/healthcare/business services. |
| Aquantia Corp. | Director | Sep 2017–Sep 2019 | Board tenure ended upon acquisition by Marvell in Sep 2019. |
Board Governance
- Independence: The Board determined all non-employee directors, including Ribar, are independent under Nasdaq and SEC rules.
- Committee assignments (2024): Audit Committee Chair; Compensation Committee member. He is an identified audit committee financial expert.
- Meetings and attendance (2024): Board met 7 times; Audit 5; Compensation 4; Nominating & Governance 4. Each director attended at least 75% of Board and committee meetings for which they served; all directors attended the 2024 annual meeting.
- Board leadership: Separate Chair (Darin Billerbeck) and CEO roles.
- Risk oversight: Risk oversight via full Board and committees; Audit covers financial reporting/internal controls and related-party review.
- Trading/Alignment policy: Insider trading policy prohibits hedging, short sales, and pledging of company stock by directors.
- Related parties: No related-party transactions since Jan 1, 2023 above SEC thresholds.
Fixed Compensation
- 2024 Board fee schedule (non-employee directors): Annual retainer $53,625; Lead board member retainer $19,500; Audit Chair $14,625; Compensation Chair $9,750; Nominating & Governance Chair $7,313; no other cash meeting fees. Paid quarterly in cash.
| Director (2024) | Fees Earned or Paid in Cash ($) | Notes |
|---|---|---|
| Geoffrey Ribar | 68,250 | Reflects director retainer plus Audit Chair premium (comp chair role held by another director). |
Performance Compensation
- Non-employee director equity: Annual RSU awards as approved by the Compensation Committee; each RSU converts into one common share upon vesting.
| Director (2024) | Stock Awards – Grant Date Fair Value ($) |
|---|---|
| Geoffrey Ribar | 124,999 |
| As of Dec 31, 2024 | Options Outstanding (#) | Unvested RSUs Outstanding (#) |
|---|---|---|
| Geoffrey Ribar | — | 8,739 |
Other Directorships & Interlocks
- Current public boards: MACOM Technology Solutions (director since Mar 2017), Acacia Research (director since May 2023). No disclosed interlocks involving MRAM suppliers, customers, or related parties.
- Prior boards: Aquantia (Sep 2017–Sep 2019).
Expertise & Qualifications
- Financial/audit: Former public-company CFO; designated “audit committee financial expert.”
- Industry: Extensive semiconductor and EDA experience (Cadence, NVIDIA, SiRF, Matrix, Asyst, Telegent).
- Education: B.S. in chemistry and MBA from the University of Michigan.
Equity Ownership
| Beneficial Ownership as of Mar 25, 2025 | Shares Owned | Shares Acquirable within 60 Days | Total Beneficial Ownership | % of Outstanding |
|---|---|---|---|---|
| Geoffrey Ribar | 97,730 | 3,496 | 101,226 | <1% |
- Policy constraints: Hedging and pledging of MRAM stock by directors is prohibited.
Insider Trades (filings)
| Date (Filing) | Description |
|---|---|
| 2025-05-27 (Form 4) | Statement of changes in beneficial ownership filed for Geoffrey G. Ribar. |
| 2024-03-13 (Form 4) | Statement of changes in beneficial ownership filed (Ribar). |
| 2022-05-26 (Form 4) | Statement of changes in beneficial ownership filed; power of attorney on file. |
- The Company disclosed one late Form 4 in 2024 for Geoffrey Ribar (reporting one transaction).
Governance Assessment
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Strengths
- Independent director with deep CFO, audit, and semiconductor domain experience; designated audit committee financial expert; chairs Audit and serves on Compensation, supporting board effectiveness in oversight and pay.
- Attendance/engagement: Board and committees met regularly in 2024; each director, including Ribar, attended at least 75% of applicable meetings; all directors attended the 2024 annual meeting.
- Alignment: Mix of cash and time-based equity (2024: $68,250 cash; $124,999 equity), and additional unvested RSUs outstanding, supports ownership alignment; hedging/pledging prohibited.
- No related-party transactions disclosed involving Ribar; audit committee oversees related-party review.
-
Watch items
- Multiple public boards (MACOM, Acacia) increase time commitments; no conflicts disclosed, but ongoing monitoring is prudent.
- Administrative compliance: The company reports one late Form 4 for Ribar in 2024 (minor reporting timeliness issue).