Rivian CFO Claire McDonough to Step Down October 30; Derek Mulvey Named Interim CFO
RIVN sits 35% above its 52-week low of $12.39.
Summary
Rivian announced CFO Claire McDonough will resign effective October 30, 2026, with VP of Finance Derek Mulvey expected to serve as interim CFO while a search for a permanent successor is conducted.
Key Events · Executive and Board Changes · RIVN
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CFO Departure Announced
Claire McDonough notified Rivian on August 24, 2026, that she will resign as CFO effective October 30, 2026, to pursue a new opportunity and relocate to the East Coast.
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Interim CFO Named
Derek Mulvey, VP of Finance since 2021, is expected to be appointed Interim CFO upon McDonough's departure; a comprehensive search for a permanent successor is underway.
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No Disagreement Cited
The filing states McDonough's resignation is not the result of any disagreement with the company on financial reporting, operations, policies, or practices.
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Transition Timeline
McDonough will remain in her role through October 30, 2026, working with CEO RJ Scaringe and the executive team to transition key strategic initiatives.
Analysis · RIVN · Manufacturing
A CFO transition at Rivian carries weight given the company's recent milestones—the $13.7 billion IPO and the R2 launch—and its first consolidated gross profit plus a $1.32 billion capital raise in July. Claire McDonough is departing after nearly six years, with the company stating the move is not due to any disagreement on financial reporting or operations. She will remain through October 30 to support the handover. Derek Mulvey, VP of Finance since 2021, is expected to step in as interim CFO while a permanent successor is sought. Investors will be watching whether the change disrupts the capital roadmap or hints at underlying financial stress.
How filings like this one have moved
In the 30 days to Sep 14, 2026, 29.9% of the 1591 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.24%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, RIVN was trading at $16.75 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $24.3B. The 52-week trading range was $12.39 to $22.69. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.