AI brief of an SEC Form 8-K · BillionToOne, Inc. (BLLN)

BillionToOne signs 12-year, $46.7 million lab and office lease in Union City, CA

Neutral Impact 3 of 5 product/contract Written later

BillionToOne entered a 12-year lease on about 62,659 square feet of office and laboratory space in Union City, California, with base rent of about $46.7 million over the term. The space is meant to add lab capacity for oncology products because test volumes have exceeded the company's plan over the last year, and the company says the facility will expand its total facility space by about 16%. The lease is anticipated to start on or about August 1, 2027.

Key points

  • Lease with Whipple Road Portfolio, LLC signed June 23, 2026, for 3260 Whipple Road, Union City, CA
  • Aggregate base rent of about $46.7 million over the 12-year term, with a 12-month rent abatement and a tenant improvement allowance of up to $12.5 million
  • Security deposit of $407,910 payable on signing; lease option to extend 10 years at prevailing market rate
  • Expected commencement on or about August 1, 2027; full lease text to be filed with the Form 10-Q for the period ended June 30, 2026

The filing

CompanyBillionToOne, Inc. (BLLN)
Form8-K, current report
Filed with the SECJun 29, 2026, 4:08 PM ET
Accession number0002070849-26-000042

Items reported: 1.01 Material Definitive Agreement2.03 New Direct Financial Obligation

Read the filing on SEC.gov ↗

Written by AI on Nov 9, 2026, 11:46 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on June 29, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.