---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-102435"
form_type: "8-K"
ticker: "RIVN"
cik: "0001874178"
company_name: "Rivian Automotive, Inc. / DE"
filed_at: "2026-08-27T20:05:41+00:00"
generated_at: "2026-08-27T20:08:07.799575+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Rivian CFO Claire McDonough to step down Oct 30; Derek Mulvey named interim CFO

## Summary
- Claire McDonough to resign as CFO effective Oct 30, 2026; will assist transition until then.
- Derek Mulvey, VP Finance since 2021, expected to be appointed Interim CFO upon her departure.
- Company has initiated comprehensive search for permanent CFO, evaluating internal and external candidates.
- McDonough led Rivian's $13.7B IPO in Nov 2021; resignation not due to any disagreement with company.

## SEC filing metadata
- accession: 0001104659-26-102435
- form_type: 8-K
- ticker: RIVN
- cik: 0001874178
- company_name: Rivian Automotive, Inc. / DE
- filed_at: 2026-08-27T20:05:41+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1874178/000110465926102435/0001104659-26-102435-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1874178/000110465926102435/tm2624125d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-102435
- JSON: https://secwatch.observer/filing/0001104659-26-102435.json
- Plain text: https://secwatch.observer/filing/0001104659-26-102435.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.