---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-031794"
form_type: "8-K"
ticker: "RIVN"
cik: "0001874178"
company_name: "Rivian Automotive, Inc. / DE"
filed_at: "2026-03-19T23:59:59+00:00"
generated_at: "2026-05-15T09:42:08.769126+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Uber to invest up to $1.25B in Rivian for autonomous robotaxis; 2027 EBITDA positive expectation dropped

## Summary
- Uber commits $300M initial investment, up to $1.25B total subject to autonomy milestones; shares issued at VWAP.
- First 10,000 fully autonomous R2 robotaxis to deploy in 2028 in San Francisco and Miami, scaling to 25 cities by 2031.
- Uber has option to purchase up to 40,000 additional R2 robotaxis beginning in 2030.
- Rivian withdraws 2027 adjusted EBITDA positive guidance due to increased R&D spend on accelerated autonomy roadmap.
- Exclusivity: Rivian cannot sell Level 4 autonomous vehicles to Uber direct competitors during specified periods.

## SEC filing metadata
- accession: 0001104659-26-031794
- form_type: 8-K
- ticker: RIVN
- cik: 0001874178
- company_name: Rivian Automotive, Inc. / DE
- filed_at: 2026-03-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 3.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1874178/000110465926031794/0001104659-26-031794-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1874178/000110465926031794/tm269292d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-031794
- JSON: https://secwatch.observer/filing/0001104659-26-031794.json
- Plain text: https://secwatch.observer/filing/0001104659-26-031794.txt

## Key facts
- Material Agreements
  Rivian Automotive, Inc. / DE entered into Master Framework Agreement with Rivian, LLC and Uber Technologies, Inc. (effective 2026-03-18).
  - Action: entry
  - Agreement: collaboration
  - Counterparty: Rivian, LLC and Uber Technologies, Inc.
  - Effective: 2026-03-18
  source text: On the Effective Date, in connection with the execution and delivery of the Subscription Agreement, Rivian, LLC, a Delaware limited liability company and wholly-owned subsidiary of the Company ("Subsidiary"), entered into a Master Framework Agreement (the "Master Framework Agreement") by and among the Subsidiary, the Company and Uber, governing the collaboration between Subsidiary and Uber to develop, deploy, and operate autonomous vehicles on the Uber platform.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1874178/000110465926031794/0001104659-26-031794-index.htm
- Material Agreements
  Rivian Automotive, Inc. / DE entered into Subscription Agreement with SMB Holding Corporation and Uber Technologies, Inc. valued at $300 million (effective 2026-03-18).
  - Action: entry
  - Agreement: equity purchase
  - Counterparty: SMB Holding Corporation and Uber Technologies, Inc.
  - Value: $300 million
  - Effective: 2026-03-18
  source text: On March 18, 2026 (the “Effective Date”), Rivian Automotive, Inc., a Delaware corporation (the “Company”), entered into a subscription agreement (the “Subscription Agreement”) by and among the Company, SMB Holding Corporation (“SMB”) and Uber Technologies, Inc. (“Uber”), providing for SMB’s investment in the Company through the sale and issuance of shares of the Company’s Class A common stock
  evidence_url: https://www.sec.gov/Archives/edgar/data/1874178/000110465926031794/0001104659-26-031794-index.htm

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