---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-045994"
form_type: "8-K"
ticker: "RGTI"
cik: "0001838359"
company_name: "Rigetti Computing, Inc."
filed_at: "2026-04-21T23:59:59+00:00"
generated_at: "2026-05-15T05:09:26.320120+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Rigetti subsidiary subleases 12,543 sq ft office/lab in Berkeley from Chinook Therapeutics

## Summary
- Sublease for Suite 200 at 740 Heinz Ave, Berkeley; 12,543 rentable sq ft.
- Term starts no earlier than June 1, 2026, expires Nov 30, 2029.
- Initial monthly base rent $38,111.91 (year 1), escalating to $41,645.91 (year 4).
- Subtenant pays 11.19% pro rata share of operating expenses and $50,000 security deposit.
- Subject to master landlord consent within 60 days; else either party may terminate.

## SEC filing metadata
- accession: 0001104659-26-045994
- form_type: 8-K
- ticker: RGTI
- cik: 0001838359
- company_name: Rigetti Computing, Inc.
- filed_at: 2026-04-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1838359/000110465926045994/0001104659-26-045994-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1838359/000110465926045994/tm2612288d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-045994
- JSON: https://secwatch.observer/filing/0001104659-26-045994.json
- Plain text: https://secwatch.observer/filing/0001104659-26-045994.txt

## Source-grounded claims
- claim_id: 1e5d144d1f3bdcbfdfd334a806c000226d42fec8
  claim: Rigetti Computing, Inc. entered into Sublease Agreement with Chinook Therapeutics, Inc. valued at Monthly Base Sublease Rent initially $38,111.91, increasing annually; security deposit $50,000; term (effective 2026-04-17).
  evidence_excerpt: On April 17, 2026 (“Effective Date”), Rigetti & Co, LLC. (“Subtenant”), a wholly-owned subsidiary of Rigetti Computing, Inc., entered into a Sublease Agreement (the “Sublease”) with Chinook Therapeutics, Inc. (the “Sublandlord”), pursuant to which Subtenant will lease approximately 12,543 rentable square feet of office and laboratory space located at 740 Heinz Avenue, Berkeley, California, 94710 (the “Premises”) from the Sublandlord.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1838359/000110465926045994/0001104659-26-045994-index.htm

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