---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-21-017729"
form_type: "8-K"
ticker: "AI"
cik: "0001577526"
company_name: "C3.ai, Inc."
filed_at: "2021-08-27T23:59:59+00:00"
generated_at: "2026-06-29T07:19:08.372891+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# C3.ai signs ~$103M 10.5-year lease for new headquarters at 1400 Seaport Blvd

## Summary
- Lease for 283,015 sq ft in two towers at 1400 Seaport Blvd, Redwood City; term 126 months.
- Total undiscounted base rent ~$103.1M; $12.6M letter of credit provided to landlord.
- Occupancy in phases; first two phases target Jan 1, 2022, subject to landlord delivery.
- Third Amendment adds 15,183 sq ft at existing 1300 Seaport lease and extends term if new space delivery delayed.

## SEC filing metadata
- accession: 0001628280-21-017729
- form_type: 8-K
- ticker: AI
- cik: 0001577526
- company_name: C3.ai, Inc.
- filed_at: 2021-08-27T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1577526/000162828021017729/0001628280-21-017729-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1577526/000162828021017729/ai-20210825.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-21-017729
- JSON: https://secwatch.observer/filing/0001628280-21-017729.json
- Plain text: https://secwatch.observer/filing/0001628280-21-017729.txt

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