---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-26-058937"
form_type: "8-K"
ticker: "BCAX"
cik: "0002023658"
company_name: "Bicara Therapeutics Inc."
filed_at: "2026-08-25T20:58:04+00:00"
generated_at: "2026-08-25T20:59:14.901424+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Bicara Therapeutics signs Boston sublease for new corporate HQ

## Summary
- Sub-sublease with Wayfair LLC for ~35,090 sq ft at 10 St. James Ave, Boston as new corporate headquarters.
- Base rent $105,279/month, payable 9 months after Commencement Date; security deposit $210,540 paid.
- Term ends September 30, 2028; Commencement Date is later of Oct 1, 2026 or full consent by Liberty Mutual, MT Back Bay One, Wayfair, and Bicara.
- Premises delivered as-is; Bicara may use existing Wayfair furniture and purchase it for $1 with 60 days' notice.

## SEC filing metadata
- accession: 0001628280-26-058937
- form_type: 8-K
- ticker: BCAX
- cik: 0002023658
- company_name: Bicara Therapeutics Inc.
- filed_at: 2026-08-25T20:58:04+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2023658/000162828026058937/0001628280-26-058937-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2023658/000162828026058937/bcax-20260821.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-26-058937
- JSON: https://secwatch.observer/filing/0001628280-26-058937.json
- Plain text: https://secwatch.observer/filing/0001628280-26-058937.txt

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