secwatch.observer — SEC 8-K summary
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Issuer:     Rivian Automotive, Inc. / DE (RIVN)
CIK:        0001874178
Form:       8-K
Filed at:   2026-03-19T23:59:59+00:00
Accession:  0001104659-26-031794
Event type: other_material
Sentiment:  neutral
Materiality: 0.80
Item codes: 1.01, 3.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

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

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1874178/000110465926031794/0001104659-26-031794-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1874178/000110465926031794/tm269292d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-031794

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer