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- Departure of CFO (new) — The Chief Financial Officer is departing the company after nearly six years, creating leadership transition risk during a critical growth phase for the EV manufacturer.
Rivian CFO Claire McDonough resigns effective October 30; Derek Mulvey named Interim CFO
Filed August 27, 2026 · Period ending August 24, 2026 · ~1 min read
Key Changes
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Claire McDonough resigned as CFO effective October 30, 2026, to pursue a new opportunity and relocate to the East Coast. Her departure is not due to any disagreement on financial reporting, operations, or company policies.
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR → -
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Derek Mulvey, VP of Finance since 2021, will serve as Interim CFO upon McDonough's departure. He has worked closely with the CEO and outgoing CFO on financial planning, strategic partnerships, capital allocation, and investor relations.
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR → -
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McDonough will remain through October 30 to ensure transition of key strategic initiatives. The company is conducting a search for a permanent CFO, evaluating both internal and external candidates.
Item 5.02 — Departure of Directors or Certain Officers; Election of Directors; Compensation verify on EDGAR → -
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McDonough led Rivian through its $13.7 billion IPO in November 2021, one of the largest in U.S. history, and built capital management frameworks and cost-reduction initiatives critical to long-term gross margin targets.
Exhibit 99.1 view on EDGAR →
Summary
Rivian Automotive disclosed that CFO Claire McDonough is resigning effective October 30, 2026, to pursue a new opportunity and relocate to the East Coast to be closer to family. McDonough joined Rivian in January 2021 and led the company through its $13.7 billion IPO in November 2021, one of the largest in U.S. history.
The filing explicitly states her departure is not due to any disagreement on financial reporting, operations, or company policies. Derek Mulvey, VP of Finance since 2021, will serve as Interim CFO. Mulvey has worked closely with CEO R.J. Scaringe and McDonough on financial planning, strategic partnerships, capital allocation, and investor relations, and previously served as Vice President at J.P. Morgan.
The CFO departure represents a significant leadership transition for Rivian as it scales manufacturing operations and works toward profitability targets. While the company emphasizes continuity through Mulvey's appointment and McDonough's two-month transition period, investors should monitor the permanent CFO search and any impact on strategic initiatives, capital allocation decisions, and cost-reduction programs critical to achieving long-term gross margin goals. The company is evaluating both internal and external candidates for the permanent role.
Section-by-Section Diff
Event · Exhibit 99.1
Rivian CFO Claire McDonough to step down October 30, 2026; Derek Mulvey expected as Interim CFO while permanent search underway.
Added in current filing · view on EDGAR →
Chief Financial Officer Claire McDonough has decided to step down from her role to pursue a new opportunity and relocate to the East Coast to be closer to her family.
McDonough will remain in her role as CFO over the next two months to ensure a seamless and thorough transition. During this period, she will work closely with CEO RJ Scaringe and the executive leadership team to transition key strategic initiatives. Her final day with Rivian will be October 30, 2026.
Claire McDonough, who joined Rivian in January 2021 and led the company through its $13.7 billion IPO in November 2021, is stepping down as CFO effective October 30, 2026. She is leaving to pursue a new opportunity and relocate to the East Coast to be closer to family. She will remain in her role for two months to ensure a thorough transition of key strategic initiatives.
Added in current filing · view on EDGAR →
Derek Mulvey, Vice President of Finance, is expected to be appointed Interim Chief Financial Officer, effective upon McDonough's departure. Mulvey joined Rivian in 2021 and has worked closely with Scaringe and McDonough on the company’s financial planning, strategic partnerships, capital allocation and investor relations. He has been instrumental in Rivian’s strategy and execution and will enable a seamless transition. Prior to his tenure at Rivian, Mulvey was Vice President at J. P. Morgan.
Mulvey has worked closely with the CEO and CFO on financial planning, strategic partnerships, capital allocation, and investor relations. Previously, he was Vice President at J.P. Morgan. A search for a permanent CFO is underway, evaluating both internal and external candidates.
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Figures/quotes linked to EDGAR · Narrative written by AI · Aug 27, 2026 · How we verify